Publications | Fenning Research Group

Latest Research

Nanoscale defect mapping in halide perovskite absorbers

David Fenning and collaborators

A materials-science journal, 2026

Ambient-compatible coating for scalable perovskite devices

Fenning Research Group

An energy journal, 2026

Surface chemistry of ternary phosphide solar absorbers

Fenning Research Group

A chemistry journal, 2026

Recent papers from OpenAlex

Publication
Understanding Process–Structure Relationships during Lamination of Halide Perovskite Interfaces Clare L Lanaghan, Oluka Okia, Thomas Coons, Srinivas K Yadavalli, Jack R Palmer, Mengyao Zhang, Karrer Hersh, Moses Kodur, Orlando Trejo, Sean P Dunfield, MD Thouless, David P Fenning, Xun Huan, Neil P Dasgupta, ACS Applied Materials & Interfaces, 2024
Assessing Carrier Mobility, Dopability, and Defect Tolerance in the Chalcogenide Perovskite Ba⁢Zr⁢S3 Zhenkun Yuan, Diana Dahliah, Romain Claes, Andrew Pike, David P Fenning, Gian-Marco Rignanese, Geoffroy Hautier, PRX Energy, 2024
Microstructure and Dose Tolerance of Organic-Inorganic Hybrid Perovskite CsxFA1-xPbI3 Yuxi Zhang, Saiphaneendra Bachu, Sai Venkata Gayathri Ayyagari, Farzaneh Rezaei, Kelly X Vences, Ken Kaushal, Sean P Dunfield, Mariana I Bertoni, David P Fenning, Nasim Alem, Microscopy and Microanalysis, 2024
Strong-bonding hole-transport layers reduce ultraviolet degradation of perovskite solar cells Chengbin Fei, Anastasia Kuvayskaya, Xiaoqiang Shi, Mengru Wang, Zhifang Shi, Haoyang Jiao, Timothy J Silverman, Michael Owen-Bellini, Yifan Dong, Yeming Xian, Rebecca Scheidt, Xiaoming Wang, Guang Yang, Hangyu Gu, Nengxu Li, Connor J Dolan, Zhewen JD Deng, Deniz N Cakan, David P Fenning, Yanfa Yan, Matthew C Beard, Laura T Schelhas, Alan Sellinger, Jinsong Huang, Science, 2024
Lamination of >21% Efficient Perovskite Solar Cells with Independent Process Control of Transport Layers and Interfaces Srinivas K. Yadavalli, Clare L. Lanaghan, Jack Palmer, Andrew J. Gayle, Daniel Penley, Oluka Okia, Maria Zaccherini, Orlando Trejo, Sean P. Dunfield, David P. Fenning, Neil P. Dasgupta, ACS Applied Materials & Interfaces, 2024
Bismuth in Lead–Tin Alloy Perovskites: Effect on Material Properties and Photovoltaic Device Performance Jack R Palmer, Jiaqi Yang, Apoorva Gupta, Connor J Dolan, Bryon W Larson, Sean P Dunfield, Arun Mannodi-Kanakkithodi, David P Fenning, ACS Applied Energy Materials, 2024
Bayesian Optimization and Prediction of the Durability of Triple-Halide Perovskite Thin Films under Light and Heat Stressors Deniz N Cakan, Eric Oberholtz, Ken Kaushal, Sean Dunfield, David P Fenning, Materials Advances, 2024
Cl alloying improves thermal stability and increases luminescence in iodine-rich inorganic perovskites Deniz N Cakan, Connor J Dolan, Eric Oberholtz, Moses Kodur, Jack R Palmer, Hendrik M Vossler, Yanqi Luo, Rishi E Kumar, Tao Zhou, Zhonghou Cai, Barry Lai, Martin V Holt, Sean P Dunfield, David P Fenning, RSC Advances, 2024
PASCAL: the perovskite automated spin coat assembly line accelerates composition screening in triple-halide perovskite alloys Deniz N Cakan, Rishi E Kumar, Eric Oberholtz, Moses Kodur, Jack R Palmer, Apoorva Gupta, Ken Kaushal, Hendrik M Vossler, David P Fenning, Digital Discovery, 2024
A Si-Substituted Spirobifluorene Hole-Transporting Material for Perovskite Solar Cells anqi Luo, Ramesh Kumar Chitumalla, So-Yeon Ham, Deniz N Cakan, Taewoo Kim, Sanghyun Paek, Ying Shirley Meng, Joonkyung Jang, David P Fenning, Min-cheol Kim, ACS Energy Letters, 2023
Ammonium cations with high pKa in perovskite solar cells for improved high-temperature photostability Mengru Wang, Zhifang Shi, Chengbin Fei, Zhewen JD Deng, Guang Yang, Sean P Dunfield, David P Fenning, Jinsong Huang, Nature Energy, 2023
Quantitative Determination of Moisture Content in Solar Modules by Short-Wave Infrared Reflectometry R. E. Kumar, G. von Gastrow, J. Leslie, R. Meier, M. I. Bertoni, D. P. Fenning*, IEEE Journal of Photovoltaics, 9(6), 1748- 1754, 2019. doi: 10.1109/JPHOTOV.2019.293810
Scanning X-Ray Excited Optical Luminescence of Heterogeneity in Metal Halide Perovskite Alloys C. J. Dolan, D. N. Cakan, R. E. Kumar, M. Kodur, J. R. Palmer, Y. Luo, B. Lai, D. P. Fenning*, J. Phys. D: Appl. Phys., 56, 034002, 2022. Emerging Leaders, Special Issue
Surface Reaction for Efficient and Stable Inverted Perovskite Solar Cells Q. Jiang, J. Tong, Y. Xian, S. P. Dunfield, C. Xiao, R. A. Kerner, R. A. Scheidt, D. Kuciauskas, X. Wang, M. P. Hautzinger, M. C. Beard, B. W. Larson, D. P. Fenning, J. J. Berry, Y. Yan, K. Zhu, Nature, 2022, 611, 278-283.
Opportunities for Machine Learning to Accelerate Halide Perovskite Commercialization and Scale-Up, R. E. Kumar, A. Tiihonen, S. Sun, D. P. Fenning, Z. Liu, T. Buonassisi*, Matter, 2022, 5, 4, 1353-1355.
“Electrochemical Screening of Contact Layers for Metal Halide Perovskites” M. Kodur†, Z. Dorfman†, R. A. Kerner†, J. H. Skaggs, T. Kim, S. Dunfield, A. Palmstrom, J. J. Berry, D. P. Fenning*, ACS Energy Letters, 2022, 7, 2, 683-689.
Dimethylammonium Addition to Halide Perovskite Precursor Increases Vertical and Lateral Heterogeneity, S. Jariwala, R. E. Kumar, G. E. Eperon, Y. Shi, D. P. Fenning, D. S. Ginger, ACS Energy Letters, 2022, 7, 204-210.
Halide Perovskites – Optoelectronic and Structural Characterization Methods D. P. Fenning, P. Schulz, S. D. Stranks, Advanced Energy Materials, 2021. invited
Quantitative Specifications to Avoid Degradation during E-Beam and Induced Current Microscopy of Halide Perovskite Devices Y. Luo, P. Parikh, T. M. Brenner, J. P. Correa-Baena, T. Buonassisi, Y. S. Meng, D. P. Fenning, Journal of Physical Chemistry C, 2021.
Imaging Real-Time Amorphization of Hybrid Perovskite Solar Cells under Electrical Biasing M. Kim, N. Ahn, D. Cheng, M. Xu, S. Ham, X. Pan, S. J. Kim, Y. Luo, D. P. Fenning, D. H. S. Tan, M. Zhang, G. Zhu, K. Jeong, M. Choi, Y. S. Meng, ACS Energy Letters, 2021.
Europium Addition Reduces Local Structural Disorder and Enhances Photoluminescent Yield in Perovskite CsPbBr3 X. L. Quinn, R. E. Kumar, M. Kodur, D. N. Cakan, Z. Cai, T. Zhou, M. V. Holt, D. P. Fenning, Advanced Optical Materials, 2021.
Passivation Properties and Formation Mechanism of Amorphous Halide Perovskite Thin Films S. A. Rigter, X. L. Quinn, R. E. Kumar, D. P. Fenning, P. Massonnet, S. R. Ellis, R. M. A. Heeren, K. L. Svane, A. Walsh, E. C. Garnett, Advanced Fuctional Materials, 2021.
Accounting for sample morphology in correlative X-ray microscopy via ray tracing R. E. Kumar, X. L. Quinn, D. P. Fenning, MRS Advances, 2021.
Stability of Perovskite Films Encapsulated in Single- and Multi-Layer Graphene Barriers, R. Rusner, M. Kodur, J. H. Skaggs, D. N. Cakan, J. B. Foley, M. Finn-III, D. P. Fenning, ACS Applied Energy Materials, 2021.
Correlated Octahedral Rotation and Organic Cation Reorientation Assist Halide Ion Migration in Lead Halide Perovskites M. L. H. Chandrappa, Z. Zhu, D. P. Fenning, S. P. Ong, Chemistry of Materials, 2021.
Impacts of the Hole Transport Layer Deposition Process on Buried Interfaces in Perovskite Solar Cells S. Wang, A. Cabreros, Y. Yang, A. S. Hall, S. Valenzuela, Y. Luo, J.-P. Correa-Baena†, M.-C. Kim, Ø. Fjeldberg, D. P. Fenning, Y. S. Meng, Cell Press Physical Science, 2020.
A fabrication process for flexible single-crystal perovskite devices Y. Lei, Y. Chen, Y. Li, S. Lee, W. Choi, H. Tsai, K. Wang, Y. Luo, X. Zheng, C. Wang, C. Wang, H. Hu, Y. Li, B. Qi, M. Lin, Z. Zhang, D.P. Fenning, S. Dayeh, T. N. Ng, K. Yang, J. Yoo, W. Nie, S. Xu, Nature, 2020.
Effects of X-rays on Perovskite Solar Cells M. E. Stuckelberger, T. Nietzold, B. M. West, Y. Luo, X. Li, J. Werner, B. Niesen, C. Ballif, V. Rose, D. P. Fenning, M. I. Bertoni, Journal of Physical Chemistry C, 2020.
Post-passivation of Multication Perovskite with Rubidium Butyrate J. C. Germino, R. Szostak, S. G. Motti, R. F. Moral, P. E. Marchzi, H. S. Seleghini, L. G. Bonato, F. L. de Araujo, T. D. Z. Atvars, L. M. Herz, D. P. Fenning, A. Hagfeldt, A. F. Noguiera, ACS Photonics, 2020.
Microscopic Degradation in Formamidinium-Cesium Lead Iodide Perovskite Solar Cells under Operational Stressors N. Li†, Y. Luo†, Z. Chen, X. Niu, X. Zhang, J. Lu, R. Kumar, J. Jiang, H. Liu, X. Guo, B. Lai, G. Brocks, Q. Chen, S. Tao, D. P. Fenning, H. Zhou, Joule, 4(8), 1743, 2020.
X‐Ray Microscopy of Halide Perovskites: Techniques, Applications, and Prospects M. Kodur, R. E. Kumar, Y. Luo, D. N. Cakan, X. Li, M. Stuckelberger, D. P. Fenning, Advanced Energy Materials, doi:10.1002/aenm.201903170 invited review
Constructive molecular configurations for surface-defect passivation of perovskite photovoltaics R. Wang, J. Xue, K.-L. Wang, Z-K. Wang, Y. Luo, D. P. Fenning, G. Xu, S. Nuryyeva, T. Huang, J. L. Yang, Y. Zhao, J. Zhu, S. Tan, I. Yavuz, K. Houk, Y. Yang, Science, 366 (6472), 1509, 2019 doi:10.1126/science.aay9698
Residual Nanoscale Strain in Cesium Lead Bromide Perovskite Reduces Stability and Shifts Local Luminescence X. Li, Y. Luo, M. V. Holt, Z. Cai, D. P. Fenning, Chemistry of Materials, 31(8), 2778-2785, doi: 10.1021/acs.chemmater.8b04937.
Homogenized halides and alkali cation segregation in alloyed organic- inorganic perovskites J.-P. Correa-Baena†, Y. Luo†, T. M. Brenner, J. Snaider, S. Sun, X. Li, M. A. Jensen, N. T. P. Hartono, L. Nienhaus, S. Wieghold, J. R. Poindexter, S. Wang, Y. S. Meng, T. Wang, B. Lai, M. V. Holt, Z. Cai, M. G. Bawendi, L. Huang, T. Buonassisi, D. P. Fenning*, Science, 363, 6427, pp. 627-631, 2019.
Understanding Detrimental and Beneficial Grain Boundary Effects in Halide Perovskites G. W. P. Adhyaska, S. Brittman, H. Abolins, A. Lof, X. Li, Y. Luo, T. Duevski, D. P. Fenning, E. C. Garnett, Advanced Materials, doi: 10.1002/adma.201804792, 2018.
The Relationship Between Chemical Flexibility and Nanoscale Charge Collection in Hybrid Halide Perovskites Y. Luo, S. Aharon, M. Stuckelberger, E. Magaña, B. Lai, M. I. Bertoni, L. Et- gar, and D. P. Fenning, Advanced Functional Materials, doi: 10.1002/adfm.201706995, 2018. (invited review)
The Role of Water in the Reversible Optoelectronic Degradation of Hybrid Perovskites at Low Pressure G. N. Hall, M. Stuckelberger, T. Nietzold, J. Hartman, J.-S. Park, J. Werner, B. Niesen, M. L. Cummings, V. Rose, C. Ballif, M. K. Y. Chan, D. P. Fenning, M. I. Bertoni, Journal Of Physical Chemistry C, doi:10.1021/acs.jpcc.7b06402, 2017.
Direct Observation of Halide Migration and its Effect on the Photoluminescence of Methylammonium Lead Bromide Perovskite Single Crystals, Y. Luo, P. Khoram, S. Brittman, Z. Zhu, B. Lai, S. P. Ong, E. C. Garnett, D. P. Fenning, Advanced Materials, 10.1002/adma.201703451, 2017
Charge Collection in Hybrid Perovskite Solar Cells: Relation to the Nanoscale Elemental Distribution, M. Stuckelberger, T. Nietzold, G. N. Hall, B.West, J.Werner, B. Niesen, C. Ballif, V. Rose, D. P. Fenning, M. I. Bertoni, IEEE Journal of Photovoltaics
Spatially Heterogeneous Chlorine Incorporation in Perovskite Solar Cells, Y. Luo, S. Gamliel, S. Nijem, M. Holt, B. Stripe, V. Rose, M. I. Bertoni, L. Etgar, Chemistry of Materials
Silver-free intrinsically conductive adhesives for shingled solar cells Alexander X Chen, Nicholas A Azpiroz, Sarah E Brew, Antonio M Valdez, Guillermo L Esparza, Yi Qie, Noah J Valdez, Rachel Blau, Jordan A Bunch, Taralyn J Perry, Tarek Rafeedi, Abdulhameed Abdal, Ignasi Simon, Duncan W Harwood, Darren J Lipomi, David P Fenning, Cell Reports Physical Science, 2024
In-Situ Determination of Moisture- and Temperature-Driven Deflection of an Encapsulated Si Photovoltaic Cell I. M. Slauch, H. Gandhi, R. E. Kumar, T. Sidawi, J. Tracy, R. K. Choudhury, R. Meier, D. P. Fenning, M. I. Bertoni, Solar Energy Materials & Solar Cells, 2023, 254, 112262.
Moisture Ingress and Distribution in Bifacial Silicon Photovoltaics T. Sidawi, R. E. Kumar, I. Slauch, R. Meier, M. I. Bertoni, D. P. Fenning*, IEEE Journal of Photovoltaics, 2023, 10.1109/JPHOTOV.2023.3243404
A Poisson-Nernst-Planck Model of Ion Transport and Interface Segregation in Metal-Insulator-Semiconductor Structures and Solar Cells E. Martinez-Loran, G. von Gastrow, J. Clenney, F. F. Contreras-Torres, R. Meier, M. I. Bertoni, P. Bandaru, D. P. Fenning, Phys Stat Sol B, 2022, 259, 2100514
Finite Element Simulation of Potential Induced Degradation Kinetics in p-Type Silicon Solar Modules E. Martinez-Loran, G. von Gastrow, J. Clenney, R. Meier, P. Bandaru, M. I. Bertoni, D. P. Fenning*, IEEE Journal of Photovoltaics, 2022, 12 (1), 45-52
Glass vs. Backsheet: Deconvoluting the Role of Moisture in Power Loss in Silicon Photovoltaics With Correlated Imaging During Accelerated Testing R. E. Kumar, G. von Gastrow, N. Theut, A. M. Jeffries, T. S. Sidawi, A. Ha, F. de Plachett, H. Moctezuma-Andraca, S. Donaldson, M. I. Bertoni, D. P. Fenning*, IEEE Journal of Photovoltaics, 2022, 12 (1), 285-292.
Epitaxial ferroelectric oxides on silicon with perspectives for future device applications M. Spreitzer, D. Klement, T. P. Potonik, U. Trstenjak, Z. Jovanovic, M. D. Nguyen, H. Yuan, J. E. ten Elshof, E. Houwman, G. Koster, G. Rijnders, J. Fompeyrine, L. Kornblum, D. P. Fenning, Y. Liang, W. Tong, P. Ghosez, APL Materials, 2021
Toward Exotic Silicon Doping with a Low Thermal Budget and Flexible Profile Control by Liquid-Phase Epitaxy G. von Gastrow, T. Rastogi, E. Magaña, D. P. Fenning, ACS Applied Materials & Interfaces, 2021
First Principles Modeling of Polymer Encapsulant Degradation in Si Photovoltaic Modules A. Mannodi-Kanakkithodi, R. E. Kumar, D. P. Fenning, M. K. Y. Chan, Phys. Chem. Chem. Phys., 2021,23, 10357-10364
Toward exotic silicon doping with low thermal budget and flexible profile control by liquid-phase epitaxy G. von Gastrow, T. Rastogi, E. Magana, D. P. Fenning*, ACS Applied Materials & Interfaces, early view online, 2021
Quantification of Sodium Ion Migration in SiNx by Flatband-Potential Monitoring at Device Operating Temperatures G. von Gastrow†, E. Martinez-Loran†, J. D. Scharf†, J. Clenney, R. Meier, P. Bandaru, M. I. Bertoni, D. P. Fenning*, Physica Status Solidi A, 217 (16), 2000212, 2020
Enhanced Environmental Stability of a 12.5% n-Graphene/p-Silicon Solar Cell through the Use of Aluminum Oxide Encapsulation S. Yavuz, E. M. Loran, N. Sarkar, D. P. Fenning, P. R. Bandharu, ACS Applied Materials & Interfaces, 10(43) 37181-37187, 2018
Elucidation of Iron Gettering Mechanisms in Boron-Implanted Silicon H. S. Laine, V. Vähänissi, Z. Liu, E. Magaña, J. Krügener, A. E. Morishige, K. Salo, B. Lai, H. Savin, D. P. Fenning, IEEE Journal of Photovoltaics, 8(1), 79-88, 2018
X-ray Microprobe Investigation of Iron During a Simulated Silicon Feedstock Extraction Process S. Bernardis, S. C. Fakra, E. Dal Martello, R. B. Larsen, B. K. Newman, D. P. Fenning, M. Di Sabatino, T. Buonassisi, Metallurgical and Materials Transactions B, 2016
Impact of Iron Precipitation on Phosphorus- Implanted Silicon Solar Cells H. Laine, V. Vähänissi, A. E. Morishige, J. Hofstetter, A. Haarahiltunen, B. Lai, H. Savin, D. P. Fenning, IEEE Journal of Photovoltaics, 10.1109/JPHOTOV.2016.2576680, 2016.
Synchrotron-based analysis of chromium distributions in multicrystalline silicon for solar cells M. Ann Jensen, J. Hofstetter, A.E. Morishige, G. Coletti, B. Lai, D.P. Fenning, and T. Buonassisi, Applied Physics Letters, 106, 202104, 2015.
Synchrotron-based investigation of transition-metal getterability in n-type multicrystalline silicon A. E. Morishige, M. A. Jensen, J. Hofstetter, P. X. T. Yen, C. Wang, B. Lai, D. P. Fenning, T. Buonassisi, Applied Physics Letters, 108, 202104, 2016.
Tuning the Oxidation State of SnOx and Mass Transport to Enhance Catholyte-Free CO2-to-Formate Electrolysis T. Kim, V. S. Devalla, S. P. Dunfield, S. Dorr, M. Kodur, D. P. Fenning*, ACS Energy Letters, 2021, 6, 10, 3793-3801
Nanoscale Surface Structure of Nanometer-Thick Ferroelectric BaTiO3 Films Revealed by Synchrotron X-ray Scanning Tunneling Microscopy: Implications for Catalytic Adsorption Reactions P. Abbasi, N. Shirato, R. E. Kumar, I. Albelo, M. Barone, D. N. Cakan, Ma. de la Paz Cruz-J ́auregui, S. Wieghold, D. G. Schlom, V. Rose, T. A. Pascal, D. P. Fenning*, ACS Applied Nano Materials, 2023, 10.1021/acsanm.2c05257
Ferroelectric Modulation of Surface Electronic States in BaTiO3 for Enhanced Hydrogen Evolution Activity P. Abbasi, M. R. Barrone, Ma. de la Paz Cruz-J ́auregu, D. Valdespino-Padilla, H. Paik, T. Kim, D. G. Schlom, T. A. Pascal, D. P. Fenning, Nano Letters, 2022, 22, 10, 4276-4284
How Strain Alters CO2 Electroreduction on Model Cu Surfaces T. Kim, R. E. Kumar, J. A. Brock, E. E. Fullerton, D. P. Fenning*, ACS Catalysis, 2021, 11, 11, 6662-6671
Anisotropic Nanoporous Morphology of ZnO-Supported Co that Enhances Catalytic Activity C. M. Coaty, A. Corrao, T. Kim, V. Petrova, D. P. Fenning, P. Khalifah, P. Liu, Nanoscale, 2021,13, 8242-825
Enhancing C2–C3 Production from CO2 on Copper Electrocatalysts via a Potential-Dependent Mesostructure T. Kim, A. Kargar, Y. Luo, R. Mohammed, E. Martinez Loran, P. Shah, D. P. Fenning, ACS Applied Energy Materials, accepted version online: dx.doi.org/10.1021/acsaem.8b00048, 2018
Hierarchical Porous Car- bonized Co3O4 Inverse Opals via Combined Block Copolymer and Colloid Templating as Bifunctional Electrocatalysts in Li-O2 Battery, S. A. Cho, Y. J. Jang, H.-D. Lim, J. E. Lee, F. M. Mota, Y. H. Jang, D. P. Fenning, K. Kang, Y. Shao-Horn, D. H. Kim, Advanced Energy Materials
Solar Hydrogen Production Using Epitaxial SrTiO3 on a GaAs Photovoltaic, L. Kornblum, D. P. Fenning, J. Faucher, J. Hwang, A. Boni, M. G. Han, M. D. Morales-Acosta, Y. Zhu, E. I. Altman, M. L. Lee, C. H. Ahn, F. J. Walker, Y. Shao-Horn, Energy & Environmental Science, 10.1039/C6EE03170F, 2017
Surface Plasmon Assisted Hot Electron Collection in Wafer-Scale Metallic-Semiconductor Photonic Crystal, J. B. Chou, X.-H. Li, Y. Wang, D. P. Fenning, A. Elfaer, J. Viegas, M. Jouiad, Y. Shao-Horn, S.-G. Kimtal, Optics Express, 24, A1234-A1244, 2016
The Electrode-Electrolyte Interface in Li-ion Batteries: Curent Understanding and New Insights, M. Gauthier, T. J. Carney, A. Grimaud, L. Giordano, N. Pour, H.-H. Chang, D. P. Fenning, S. Lux, O. Pachos, F. Maglia, S. Lupart, P. Lamp, Y. Shao-Horn, Journal of Physical Chemistry Letters
Low-Temperature Synthesis of Stable CaZn2P2 Zintl Phosphide Thin Films as Candidate Top Absorbers Shaham Quadir, Zhenkun Yuan, Guillermo L Esparza, Sita Dugu, John S Mangum, Andrew Pike, Muhammad Rubaiat Hasan, Gideon Kassa, Xiaoxin Wang, Yagmur Coban, Jifeng Liu, Kirill Kovnir, David P Fenning, Obadiah G Reid, Andriy Zakutayev, Geoffroy Hautier, Sage R Bauers, Advanced Energy Materials, 2024
Conductive block copolymer elastomers and psychophysical thresholding for accurate haptic effects Rachel Blau, Abdulhameed Abdal, Nicholas Root, Alexander X Chen, Tarek Rafeedi, Robert Ramji, Yi Qie, Taewoo Kim, Anthony Navarro, Jason Chin, Laura L Becerra, Samuel J Edmunds, Samantha M Russman, Shadi A Dayeh, David P Fenning, Romke Rouw, Darren J Lipomi, Science Robotics, 2024
Discovery of the Zintl-phosphide BaCd2P2 as a long carrier lifetime and stable solar absorber Zhenkun Yuan, Diana Dahliah, Muhammad Rubaiat Hasan, Gideon Kassa, Andrew Pike, Shaham Quadir, Romain Claes, Cierra Chandler, Yihuang Xiong, Victoria Kyveryga, Philip Yox, Gian-Marco Rignanese, Ismaila Dabo, Andriy Zakutayev, David P Fenning, Obadiah G Reid, Sage Bauers, Jifeng Liu, Kirill Kovnir, Geoffroy Hautier, Joule, 2024
Effect of Additives on the Surface Morphology, Energetics, and Contact Resistance of PEDOT:PSS Alexander X Chen, Guillermo L Esparza, Ignasi Simon, Sean P Dunfield, Yi Qie, Jordan A Bunch, Rachel Blau, Allison Lim, Henry Zhang, Sarah E Brew, Finnian M O’Neill, David P Fenning, Darren J Lipomi, ACS Applied Materials & Interfaces, 2023.
Investigation of Local Distortion Effects on X-Ray Absorption of Ferroelectric Perovskites from First Principles Simulations P. Abbasi, D. P. Fenning, T. A. Pascal, Nanoscale, 2023, 15 (11), 5193-5200.
Comparison of the Mechanical Properties of a Conjugated Polymer Deposited using Scalable Deposition Techniques K. Choudhary, A. X. Chen, G. M. Pitch, R. R. Runser, A. Urbina, T. J. Dunn, M. Kodur, A. T. Kleinschmidt, D. P. Fenning, A. L. Ayzner, D. J. Lipomi, ACS Applied Materials & Interfaces, 2021, 13, 43, 51436-51446.
Exploring Frontiers in Research and Teaching: NanoEngineering and Chemical Engineering at UC San Diego D. J. Lipomi, D. P. Fenning, S. P. Ong, N. J. Shah, A. R. Tao, L. Zhang, ACS Nano, 2021.
A Wearable Colorimetric Dosimeter to Monitor Sunlight Exposure J. Wang, A. S. Jeevarathinam, A. Jhunjhunwala, H. Ren, J. Lemaster, Y. Luo, D. P. Fenning, E. E. Fullerton, J. V. Jokerst, Advanced Materials Technologies, accepted, doi: 10.1002/admt.201800037, 2018.
Thickness-Dependent Photoelectrochemical Water-Splitting on Ultra-Thin LaFeO3 Films Grown on Nb:SrTiO3, K. J. May, D. P. Fenning, T. Ming, W. T. Hong, D. Lee, K. A. Stoerzinger, M. D. Biegalski, A. M. Kolpak, Y. Shao-Horn, Journal of Physical Chemistry Letters (pdf)
Sorting metrics for customized phosphorus diffusion gettering, J. Hofstetter, D. P. Fenning, D. M. Powell, A. E. Morishige, and T. Buonassisi, IEEE Journal of Photovoltaics (pdf)
Darwin at High Temperature: Advancing Solar Cell Material Design through Defect Kinetics Simulation and Evolutionary Optimization, D. P. Fenning, J. Hofstetter, A. E. Morishige, D. M. Powell, A. S. Zuschlag, G. Hahn, T. Buonassisi. Advanced Energy Materials, doi: 10.1002/aenm.201400459 (2014). (pdf)
Investigation of Lifetime-Limiting Defects After High-Temperature Phosphorus Diffusion in Silicon Solar Cell Materials, D. P. Fenning, A. S. Zuschlag, A. Frey, J. Hofstetter, M. I. Bertoni, G. Hahn, T. Buonassisi. IEEE Journal of Photovoltaics, 4(3), pp. 866-873 (2014). (pdf)
Iron Management in Multicrystalline Silicon through Predictive Simulation: Point Defects, Precipitates, and Structural Defect Interactions J. Hofstetter, D. P. Fenning, D. M. Powell, A. E. Morishige, and T. Buonassisi, Solid State Phenomena, 205-206, pp.15-25 (2014).
Effective lifetimes exceeding 300 microseconds in thin p-type epitaxial kerfless silicon for photovoltaics achieved via defect engineering, D. M. Powell, J. Hofstetter, D. P. Fenning, R. Hao, T. S. Ravi, T. Buonassisi, Applied Physics Letters
Improved Iron Gettering in Contaminated Multicrystalline Silicon by High-Temperature Phosphorus Diffusion D. P. Fenning, Annika Zuschlag, M. I. Bertoni, B. Lai, G. Hahn, T. Buonassisi, Journal of Applied Physics, 113, 214504 (2013). *equal contributions
Nickel: A Very Fast Diffuser in Silicon J. Lindroos, D. P. Fenning, D. Backlund, E. Verlage, A. Gorgulla, S. K. Estreicher, H. Savin, T. Buonassisi Journal of Applied Physics
Local Melting in Silicon Driven By Retrograde Solubility D. P. Fenning, B. K. Newman, M. I. Bertoni, S. Hudelson, S. Bernardis, M. A. Marcus, S. C. Fakra, T. Buonassisi, Acta Materialia
Precipitated Iron: A Limit on Gettering Efficacy in Multicrystalline Silicon D. P. Fenning, J. Hofstetter, M. I. Bertoni, G. Coletti, B. Lai, C. del Cañizo, T. Buonassisi. Journal of Applied Physics
Dislocation density reduction during impurity gettering in multicrystalline silicon H. J. Choi, M. I. Bertoni, J. Hofstetter, D. P. Fenning, D. M. Powell, S. Castellanos, T. Buonassisi, IEEE Journal of Photovoltaics, 3 (1), pp 189-198, (2013).
Analysis of the Evolution of Iron Precipitates in Multicrystalline Silicon During Solar Cell Processing J. Schön, A. Haarahiltunen, H. Savin, D. P. Fenning, T. Buonassisi, W. Warta, and M. C. Schubert, IEEE Journal of Photovoltaics, 3 (1), pp 131-137 (2013).
Engineering Metal Precipitate Size Distributions to Enhance Gettering in Multicrystalline J. Hofstetter, D. P. Fenning, J.F. Lelièvre, C. del Cañizo, and T. Buonassisi, Phys. Status Solidi (a), 209 (10), pp 1861-1865, (2012).
TCAD for PV: A fast method for accurately modelling metal impurity evolution during solar cell processing D. M. Powell, D. P. Fenning, J. Hofstetter, J. F. Lelièvre, B. Lai, C. del Cañizo, and T. Buonassisi, Photovotaics International, 15th edition, April 2012.
Synchrotron-based Investigation of Impurities in Raw Quartz- and Carbon-Bearing Feedstock Materials for Photovoltaic Applications S. Bernardis, B. K. Newman, M. Di Sabatino, M. I. Bertoni, D. P. Fenning, S. C. Fakra, R. B. Larsen, and T. Buonassisi. Prog. Photovolt.: Res. App.
Towards the tailoring of P diffusion gettering to as-grown silicon material properties J. Hofstetter, J.F. Lelièvre, D. P. Fenning, M.I. Bertoni, T. Buonassisi, and C. del Cañizo. Solid State Phenomena, 178-179, pp. 158-165 (2011).
Nanoprobe X-ray Fluorescence Characterization of Defects in Large-Area Solar Cells M. I. Bertoni, D. P. Fenning, M. Rinio, J. Maser, T. Buonassisi, Energy and Environmental Science, 4, pp. 4252-4257, (2011).
Enhanced iron gettering by short, optimized low-temperature annealing after phosphorus emitter diffusion for industrial silicon solar cell processing J. Hofstetter, J. F. Lelièvre, D. P. Fenning, M.I. Bertoni, T. Buonassisi, A. Luque, C. del Cañizo, Physica Status Solidi c, 8 (3), pp. 759-972, (2011).
Iron Distribution in Silicon After Solar Cell Processing: Synchrotron Analysis and Predictive Modeling D. P. Fenning, J. Hofstetter, M. I. Bertoni, S. Hudelson, M. Rinio, J. F. Lelièvre, B. Lai, C. del Cañizo, and T. Buonassisi, Applied Physics Letters
Seeding of Silicon Wire Growth by Out-Diffused Metal Precipitates V. Ganapati, D. P. Fenning, M.I. Bertoni, C.E. Kendrick, A.E. Fecych, J.M. Redwing, and T. Buonassisi, Small, Vol. 7, Issue 5, 563-567 (2011).
Impurity-to-Efficiency Simulator: Predictive Simulation of Silicon Solar Cell Performance Based on Iron Content and Distribution J. Hofstetter, D. P. Fenning, M. I. Bertoni, J. F. Lelièvre, C. del Cañizo, T. Buonassisi, Prog. Photovolt.: Res. App., Vol. 19, Issue 4, 487-497 (2011).
Influence of defect type on hydrogen passivation efficacy in multicrystalline silicon solar cells M. I. Bertoni, S. Hudelson, B. K. Newman, S. Bernardis, D. P. Fenning, H. F. W. Dekkers, E. Cornagliotti, A. Zuschlag, G. Micard, G. Hahn, G. Coletti, B. Lai, T. Buonassisi, Prog. Photovolt.: Res. App., Vol. 19, Issue 2, 187-191 (2011).
Design and Fabrication of Porous Polymer Wick Structures V. Shkolnikov, D. G. Strickland, D. P. Fenning, J. G. Santiago, Sensors and Actuators B: Chemical, Vol.150, Issue 2, 556-563 (2010).
Retrograde Melting and Internal Liquid Gettering in Silicon S. Hudelson, B. K. Newman, S. Bernardis, D. P. Fenning, M. I. Bertoni, M. A. Marcus, S. C. Fakra, B. Lai, T. Buonassisi, Advanced Materials
Robotic data management for trustworthy AI: A perspective from the perovskite semiconductor community Carolin M. Sutter-Fella, Mahshid Ahmadi, Christoph Brabec, Tonio Buonassisi, Matthew L. Evans, David P. Fenning, M Götte, T. Jesper Jacobsson, Hemanth Neelgund Ramesh, Clara Tamura, Eva Unger, Charles Yang, Haitao Zhao, Yi Zhou, S Y Sun, ChemRxiv, 2026
Electron-Beam-Induced Degradation of Halide Perovskites Revealed by Ultra-Low-Dose Microscopy Yuxi Zhang, Kelly X Vences, Connor J. Dolan, Arkita Chakrabarti, Farzaneh Rezaei, Hadas Sternlicht, Sai Venkata Gayathri Ayyagari, Mariana I. Bertoni, David P. Fenning, Nasim Alem, Microscopy and Microanalysis, 2026
BaCd 2 P 2 : A Promising Impurity‐Tolerant Counterpart of GaAs for Photovoltaics Gideon Kassa, Zhenkun Yuan, Muhammad R. Hasan, Guillermo L. Esparza, David P. Fenning, Geoffroy Hautier, Kirill Kovnir, Jifeng Liu, Advanced Optical Materials, 2026
Ultrafast (1‐5 sec) Lamination of Perovskite Solar Cells With Self‐Encapsulation Using Rapid Joule Heating Oluka Okia, Md Aslam Uddin, Tianhan Gao, Zhihang Zhang, Vaishnav Madhava Das, Clare Lanaghan, Alexandra C. Hurd, Wei Lu, David P. Fenning, Neil P. Dasgupta, Advanced Materials Technologies, 2026
Long photoexcited carrier lifetime in a stable and earth-abundant zinc polyphosphide Zhenkun Yuan, Genevieve Amobi, Shaham Quadir, Sreetosh Goswami, Guillermo L. Esparza, Gideon Kassa, Gayatri Viswanathan, Joseph Race, Muhammad Rubaiat Hasan, Jack R. Palmer, Sita Dugu, Yagmur Coban, Andriy Zakutayev, Obadiah G. Reid, David P. Fenning, Kirill Kovnir, Sage R. Bauers, Jifeng Liu, Geoffroy Hautier, arXiv (Cornell University), 2026
CaCd 2 P 2 : A Visible‐Light Absorbing Zintl Phosphide Stable Under Photoelectrochemical Water Oxidation Guillermo L. Esparza, Zhenkun Yuan, Muhammad Rubaiat Hasan, Yagmur Coban, Gideon Kassa, Tejas Nivarty, Darya Kamiyama, Vivek Shastry Devalla, Jack R. Palmer, Dean Chen, Kelly X. Vences, Jifeng Liu, Kirill Kovnir, Geoffroy Hautier, David P. Fenning, Advanced Energy Materials, 2026
Balancing moisture and oxygen can match the crystallization dynamics of inert halide perovskite processing Maimur Hossain, Connor J. Dolan, Eric Oberholtz, Darya Kamiyama, Jack Palmer, Paulo E. Marchezi, Tim Kodalle, Carolin M. Sutter-Fella, David P. Fenning, EES solar., 2026
Transparent and Recyclable PDMS Adhesive Enabled by Dynamic Diels–Alder Cross-linking Zackery E. Moreau, Ayush Tiwary, Rachel Blau, Audithya Nyayachavadi, Allison Lim, Noel Sebastien D. Mallari, Emerson Q. S. Parker, Savannah M. Kezmoh, Eileen S. Stawski, Tarek Rafeedi, Anh Tuan Nguyen‐Huynh, Zihan Liu, Cameron B. Lennox, David P. Fenning, Darren J. Lipomi, ACS Macro Letters, 2025
Thermal Stability and Mechanical Toughness of Laminated Perovskite Solar Cells Clare Lanaghan, Md Aslam Uddin, Jack R. Palmer, Ali Madanchi, Alexandra C. Hurd, Oluka Okia, M.D. Thouless, David P. Fenning, Neil P. Dasgupta, ACS Applied Materials & Interfaces, 2025
Dissymmetry Factor Enhancement: A Data-Driven Approach to Unravel the Synthesis Knobs of Chiral 2D Perovskites Raphael F. Moral, Maher B. Alghalayini, R.N. Nurdillayeva, Do-Kyoung Lee, Tim Kodalle, Paulo E. Marchezi, David P. Fenning, Marcus M. Noack, Craig P. Schwartz, Carolin M. Sutter‐Fella, ChemRxiv, 2025
Cryogenic Focused Ion Beam Preparation of Organic-Inorganic Hybrid Perovskite FAPbI3 for Transmission Electron Microscopy Yuxi Zhang, Hadas Sternlicht, Sai Venkata Gayathri Ayyagari, Farzaneh Rezaei, Arkita Chakrabarti, Kelly X Vences, Sean P. Dunfield, Mariana I. Bertoni, David P. Fenning, Nasim Alem, Microscopy and Microanalysis, 2025
High-throughput Computational Discovery of Long Carrier Lifetime and Stable New Solar Absorbers Geoffroy Hautier, Zhenkun Yuan, Diana Dahliah, Muhammad Rubaiat Hasan, Gideon Kassa, Andrew Pike, Shaham Quadir, Guillermo L. Esparza, Sita Dugu, John S. Mangum, Romain Claes, Yagmur Coban, Smitakshi Goswami, Xiaoxin Wang, Cierra Chandler, Yihuang Xiong, Victoria Kyveryga, Philip Yox, Gian‐Marco Rignanese, Ismaïla Dabo, Andriy Zakutayev, David P. Fenning, Obadiah G. Reid, Sage R. Bauers, Jifeng Liu, Kirill Kovnir, 2025
Ultrafast (1 sec) Lamination of Perovskite PVs with In Situ Metrology Oluka Okia, Tianhan Gao, Md Aslam Uddin, Jack Palmer, Vaishnav Madhava Das, Cheng Qian, Zhihang Zhang, Yunguang Wang, Chinedum Okwudire, David P. Fenning, Wei Lu, Neil P. Dasgupta, 2025
Thermal and Mechanical Stability of Laminated Perovskite Solar Cells Clare Lanaghan, Md Aslam Uddin, Jack Palmer, Michael Thouless, David P. Fenning, Neil P. Dasgupta, 2025
Packaging of PV Modules Designed for Circularity Ayush Tiwary, Zack Moreau, Rachel Blau, Darren J. Lipomi, David P. Fenning, 2025
Investigating Hydrogen Behavior at a-Si:H/c-Si Interfaces through Electrical Measurement and Chemical Analysis Guang-Yu Lee, Nicholas Moser-Mancewicz, Jorge Ochoa Bueno, Mariana I. Bertoni, David P. Fenning, 2025
Spatially resolved electronic parameters on perovskite modules using luminescence imaging Zhewen J. D. Deng, Jack R. Palmer, David P. Fenning, 2025
Nanoscale Strain and Octahedral Tilting Removes Structural and Nonradiative Defects in 2D-Templated FAPbI3 Connor J. Dolan, Andrew J. Torma, Siraj Sidhik, Faiz Mandani, Hao Zhang, Isaac Metcalf, Jack R. Palmer, Zhewen J. D. Deng, Tao Zhou, Zhonghou Cai, Martin V. Holt, Yanqi Luo, Barry Lai, Jacky Even, David P. Fenning, Aditya D. Mohite, ACS Nano, 2025
A microscopic look at degradation David P. Fenning, M. Khalid Hossain, Connor J. Dolan, Nature Energy, 2025
Single crystal purification reduces trace impurities in halide perovskite precursors, alters perovskite thin film performance, and improves phase stability Connor J. Dolan, Emma R. Yakel, Shiwei Liu, Ross A. Kerner, Jack R. Palmer, Kelly X Vences, Hendrik M. Vossler, Clark Han, Sean P. Dunfield, David P. Fenning, Journal of Materials Chemistry C, 2025
Polytype selection in the antisolvent-free crystallization of formamidinium lead iodide using alkylammonium chlorides Paulo E. Marchezi, Jack R. Palmer, Maimur Hossain, Tim Kodalle, Raphael F. Moral, Carolin M. Sutter‐Fella, David P. Fenning, Journal of Materials Chemistry A, 2025
PARASOL: an open-source platform for parallel testing of solar modules Sean P. Dunfield, Zhewen J. D. Deng, Ken Kaushal, Deniz N. Cakan, Jack R. Palmer, Rishi E. Kumar, Clark Han, Colin Zyskowski, David P. Fenning, Sustainable Energy & Fuels, 2025

Publication

Understanding Process–Structure Relationships during Lamination of Halide Perovskite Interfaces Clare L Lanaghan, Oluka Okia, Thomas Coons, Srinivas K Yadavalli, Jack R Palmer, Mengyao Zhang, Karrer Hersh, Moses Kodur, Orlando Trejo, Sean P Dunfield, MD Thouless, David P Fenning, Xun Huan, Neil P Dasgupta, ACS Applied Materials & Interfaces, 2024

Assessing Carrier Mobility, Dopability, and Defect Tolerance in the Chalcogenide Perovskite Ba⁢Zr⁢S3 Zhenkun Yuan, Diana Dahliah, Romain Claes, Andrew Pike, David P Fenning, Gian-Marco Rignanese, Geoffroy Hautier, PRX Energy, 2024

Microstructure and Dose Tolerance of Organic-Inorganic Hybrid Perovskite CsxFA1-xPbI3 Yuxi Zhang, Saiphaneendra Bachu, Sai Venkata Gayathri Ayyagari, Farzaneh Rezaei, Kelly X Vences, Ken Kaushal, Sean P Dunfield, Mariana I Bertoni, David P Fenning, Nasim Alem, Microscopy and Microanalysis, 2024

Strong-bonding hole-transport layers reduce ultraviolet degradation of perovskite solar cells Chengbin Fei, Anastasia Kuvayskaya, Xiaoqiang Shi, Mengru Wang, Zhifang Shi, Haoyang Jiao, Timothy J Silverman, Michael Owen-Bellini, Yifan Dong, Yeming Xian, Rebecca Scheidt, Xiaoming Wang, Guang Yang, Hangyu Gu, Nengxu Li, Connor J Dolan, Zhewen JD Deng, Deniz N Cakan, David P Fenning, Yanfa Yan, Matthew C Beard, Laura T Schelhas, Alan Sellinger, Jinsong Huang, Science, 2024

Lamination of >21% Efficient Perovskite Solar Cells with Independent Process Control of Transport Layers and Interfaces Srinivas K. Yadavalli, Clare L. Lanaghan, Jack Palmer, Andrew J. Gayle, Daniel Penley, Oluka Okia, Maria Zaccherini, Orlando Trejo, Sean P. Dunfield, David P. Fenning*, Neil P. Dasgupta*, ACS Applied Materials & Interfaces, 2024

Bismuth in Lead–Tin Alloy Perovskites: Effect on Material Properties and Photovoltaic Device Performance Jack R Palmer, Jiaqi Yang, Apoorva Gupta, Connor J Dolan, Bryon W Larson, Sean P Dunfield, Arun Mannodi-Kanakkithodi, David P Fenning, ACS Applied Energy Materials, 2024

Bayesian Optimization and Prediction of the Durability of Triple-Halide Perovskite Thin Films under Light and Heat Stressors Deniz N Cakan, Eric Oberholtz, Ken Kaushal, Sean Dunfield, David P Fenning, Materials Advances, 2024

Cl alloying improves thermal stability and increases luminescence in iodine-rich inorganic perovskites Deniz N Cakan, Connor J Dolan, Eric Oberholtz, Moses Kodur, Jack R Palmer, Hendrik M Vossler, Yanqi Luo, Rishi E Kumar, Tao Zhou, Zhonghou Cai, Barry Lai, Martin V Holt, Sean P Dunfield, David P Fenning, RSC Advances, 2024

PASCAL: the perovskite automated spin coat assembly line accelerates composition screening in triple-halide perovskite alloys Deniz N Cakan, Rishi E Kumar, Eric Oberholtz, Moses Kodur, Jack R Palmer, Apoorva Gupta, Ken Kaushal, Hendrik M Vossler, David P Fenning, Digital Discovery, 2024

A Si-Substituted Spirobifluorene Hole-Transporting Material for Perovskite Solar Cells anqi Luo, Ramesh Kumar Chitumalla, So-Yeon Ham, Deniz N Cakan, Taewoo Kim, Sanghyun Paek, Ying Shirley Meng, Joonkyung Jang, David P Fenning, Min-cheol Kim, ACS Energy Letters, 2023

Ammonium cations with high pKa in perovskite solar cells for improved high-temperature photostability Mengru Wang, Zhifang Shi, Chengbin Fei, Zhewen JD Deng, Guang Yang, Sean P Dunfield, David P Fenning, Jinsong Huang, Nature Energy, 2023

Quantitative Determination of Moisture Content in Solar Modules by Short-Wave Infrared Reflectometry R. E. Kumar, G. von Gastrow, J. Leslie, R. Meier, M. I. Bertoni, D. P. Fenning*, IEEE Journal of Photovoltaics, 9(6), 1748- 1754, 2019. doi: 10.1109/JPHOTOV.2019.293810

Scanning X-Ray Excited Optical Luminescence of Heterogeneity in Metal Halide Perovskite Alloys C. J. Dolan, D. N. Cakan, R. E. Kumar, M. Kodur, J. R. Palmer, Y. Luo, B. Lai, D. P. Fenning*, J. Phys. D: Appl. Phys., 56, 034002, 2022. Emerging Leaders, Special Issue

Surface Reaction for Efficient and Stable Inverted Perovskite Solar Cells Q. Jiang, J. Tong, Y. Xian, S. P. Dunfield, C. Xiao, R. A. Kerner, R. A. Scheidt, D. Kuciauskas, X. Wang, M. P. Hautzinger, M. C. Beard, B. W. Larson, D. P. Fenning, J. J. Berry, Y. Yan, K. Zhu, Nature, 2022, 611, 278-283.

Opportunities for Machine Learning to Accelerate Halide Perovskite Commercialization and Scale-Up, R. E. Kumar, A. Tiihonen, S. Sun, D. P. Fenning*, Z. Liu*, T. Buonassisi*, Matter, 2022, 5, 4, 1353-1355.

“Electrochemical Screening of Contact Layers for Metal Halide Perovskites” M. Kodur†, Z. Dorfman†, R. A. Kerner†, J. H. Skaggs, T. Kim, S. Dunfield, A. Palmstrom, J. J. Berry, D. P. Fenning*, ACS Energy Letters, 2022, 7, 2, 683-689.

Dimethylammonium Addition to Halide Perovskite Precursor Increases Vertical and Lateral Heterogeneity, S. Jariwala, R. E. Kumar, G. E. Eperon, Y. Shi, D. P. Fenning, D. S. Ginger, ACS Energy Letters, 2022, 7, 204-210.

Halide Perovskites – Optoelectronic and Structural Characterization Methods D. P. Fenning, P. Schulz, S. D. Stranks, Advanced Energy Materials, 2021. invited

Quantitative Specifications to Avoid Degradation during E-Beam and Induced Current Microscopy of Halide Perovskite Devices Y. Luo, P. Parikh, T. M. Brenner, J. P. Correa-Baena, T. Buonassisi, Y. S. Meng, D. P. Fenning, Journal of Physical Chemistry C, 2021.

Imaging Real-Time Amorphization of Hybrid Perovskite Solar Cells under Electrical Biasing M. Kim, N. Ahn, D. Cheng, M. Xu, S. Ham, X. Pan, S. J. Kim, Y. Luo, D. P. Fenning, D. H. S. Tan, M. Zhang, G. Zhu, K. Jeong, M. Choi, Y. S. Meng, ACS Energy Letters, 2021.

Europium Addition Reduces Local Structural Disorder and Enhances Photoluminescent Yield in Perovskite CsPbBr3 X. L. Quinn, R. E. Kumar, M. Kodur, D. N. Cakan, Z. Cai, T. Zhou, M. V. Holt, D. P. Fenning, Advanced Optical Materials, 2021.

Passivation Properties and Formation Mechanism of Amorphous Halide Perovskite Thin Films S. A. Rigter, X. L. Quinn, R. E. Kumar, D. P. Fenning, P. Massonnet, S. R. Ellis, R. M. A. Heeren, K. L. Svane, A. Walsh, E. C. Garnett, Advanced Fuctional Materials, 2021.

Accounting for sample morphology in correlative X-ray microscopy via ray tracing R. E. Kumar, X. L. Quinn, D. P. Fenning, MRS Advances, 2021.

Stability of Perovskite Films Encapsulated in Single- and Multi-Layer Graphene Barriers, R. Rusner, M. Kodur, J. H. Skaggs, D. N. Cakan, J. B. Foley, M. Finn-III, D. P. Fenning, ACS Applied Energy Materials, 2021.

Correlated Octahedral Rotation and Organic Cation Reorientation Assist Halide Ion Migration in Lead Halide Perovskites M. L. H. Chandrappa, Z. Zhu, D. P. Fenning, S. P. Ong, Chemistry of Materials, 2021.

Impacts of the Hole Transport Layer Deposition Process on Buried Interfaces in Perovskite Solar Cells S. Wang, A. Cabreros, Y. Yang, A. S. Hall, S. Valenzuela, Y. Luo, J.-P. Correa-Baena†, M.-C. Kim, Ø. Fjeldberg, D. P. Fenning, Y. S. Meng, Cell Press Physical Science, 2020.

A fabrication process for flexible single-crystal perovskite devices Y. Lei, Y. Chen, Y. Li, S. Lee, W. Choi, H. Tsai, K. Wang, Y. Luo, X. Zheng, C. Wang, C. Wang, H. Hu, Y. Li, B. Qi, M. Lin, Z. Zhang, D.P. Fenning, S. Dayeh, T. N. Ng, K. Yang, J. Yoo, W. Nie, S. Xu, Nature, 2020.

Effects of X-rays on Perovskite Solar Cells M. E. Stuckelberger, T. Nietzold, B. M. West, Y. Luo, X. Li, J. Werner, B. Niesen, C. Ballif, V. Rose, D. P. Fenning, M. I. Bertoni, Journal of Physical Chemistry C, 2020.

Post-passivation of Multication Perovskite with Rubidium Butyrate J. C. Germino, R. Szostak, S. G. Motti, R. F. Moral, P. E. Marchzi, H. S. Seleghini, L. G. Bonato, F. L. de Araujo, T. D. Z. Atvars, L. M. Herz, D. P. Fenning, A. Hagfeldt, A. F. Noguiera, ACS Photonics, 2020.

Microscopic Degradation in Formamidinium-Cesium Lead Iodide Perovskite Solar Cells under Operational Stressors N. Li†, Y. Luo†, Z. Chen, X. Niu, X. Zhang, J. Lu, R. Kumar, J. Jiang, H. Liu, X. Guo, B. Lai, G. Brocks, Q. Chen, S. Tao, D. P. Fenning*, H. Zhou*, Joule, 4(8), 1743, 2020.

X‐Ray Microscopy of Halide Perovskites: Techniques, Applications, and Prospects M. Kodur, R. E. Kumar, Y. Luo, D. N. Cakan, X. Li, M. Stuckelberger, D. P. Fenning*, Advanced Energy Materials, doi:10.1002/aenm.201903170 *invited review

Constructive molecular configurations for surface-defect passivation of perovskite photovoltaics R. Wang, J. Xue, K.-L. Wang, Z-K. Wang, Y. Luo, D. P. Fenning, G. Xu, S. Nuryyeva, T. Huang, J. L. Yang, Y. Zhao, J. Zhu, S. Tan, I. Yavuz, K. Houk, Y. Yang, Science, 366 (6472), 1509, 2019 doi:10.1126/science.aay9698

Residual Nanoscale Strain in Cesium Lead Bromide Perovskite Reduces Stability and Shifts Local Luminescence X. Li, Y. Luo, M. V. Holt, Z. Cai, D. P. Fenning, Chemistry of Materials, 31(8), 2778-2785, doi: 10.1021/acs.chemmater.8b04937.

Homogenized halides and alkali cation segregation in alloyed organic- inorganic perovskites J.-P. Correa-Baena†*, Y. Luo†, T. M. Brenner, J. Snaider, S. Sun, X. Li, M. A. Jensen, N. T. P. Hartono, L. Nienhaus, S. Wieghold, J. R. Poindexter, S. Wang, Y. S. Meng, T. Wang, B. Lai, M. V. Holt, Z. Cai, M. G. Bawendi, L. Huang, T. Buonassisi*, D. P. Fenning*, Science, 363, 6427, pp. 627-631, 2019.

Understanding Detrimental and Beneficial Grain Boundary Effects in Halide Perovskites G. W. P. Adhyaska, S. Brittman, H. Abolins, A. Lof, X. Li, Y. Luo, T. Duevski, D. P. Fenning, E. C. Garnett, Advanced Materials, doi: 10.1002/adma.201804792, 2018.

The Relationship Between Chemical Flexibility and Nanoscale Charge Collection in Hybrid Halide Perovskites Y. Luo, S. Aharon, M. Stuckelberger, E. Magaña, B. Lai, M. I. Bertoni, L. Et- gar, and D. P. Fenning, Advanced Functional Materials, doi: 10.1002/adfm.201706995, 2018. (invited review)

The Role of Water in the Reversible Optoelectronic Degradation of Hybrid Perovskites at Low Pressure G. N. Hall, M. Stuckelberger, T. Nietzold, J. Hartman, J.-S. Park, J. Werner, B. Niesen, M. L. Cummings, V. Rose, C. Ballif, M. K. Y. Chan, D. P. Fenning, M. I. Bertoni, Journal Of Physical Chemistry C, doi:10.1021/acs.jpcc.7b06402, 2017.

Direct Observation of Halide Migration and its Effect on the Photoluminescence of Methylammonium Lead Bromide Perovskite Single Crystals, Y. Luo, P. Khoram, S. Brittman, Z. Zhu, B. Lai, S. P. Ong, E. C. Garnett, D. P. Fenning, Advanced Materials, 10.1002/adma.201703451, 2017

Charge Collection in Hybrid Perovskite Solar Cells: Relation to the Nanoscale Elemental Distribution, M. Stuckelberger, T. Nietzold, G. N. Hall, B.West, J.Werner, B. Niesen, C. Ballif, V. Rose, D. P. Fenning, M. I. Bertoni, IEEE Journal of Photovoltaics

Spatially Heterogeneous Chlorine Incorporation in Perovskite Solar Cells, Y. Luo, S. Gamliel, S. Nijem, M. Holt, B. Stripe, V. Rose, M. I. Bertoni, L. Etgar, Chemistry of Materials

Silver-free intrinsically conductive adhesives for shingled solar cells Alexander X Chen, Nicholas A Azpiroz, Sarah E Brew, Antonio M Valdez, Guillermo L Esparza, Yi Qie, Noah J Valdez, Rachel Blau, Jordan A Bunch, Taralyn J Perry, Tarek Rafeedi, Abdulhameed Abdal, Ignasi Simon, Duncan W Harwood, Darren J Lipomi, David P Fenning, Cell Reports Physical Science, 2024

In-Situ Determination of Moisture- and Temperature-Driven Deflection of an Encapsulated Si Photovoltaic Cell I. M. Slauch, H. Gandhi, R. E. Kumar, T. Sidawi, J. Tracy, R. K. Choudhury, R. Meier, D. P. Fenning, M. I. Bertoni, Solar Energy Materials & Solar Cells, 2023, 254, 112262.

Moisture Ingress and Distribution in Bifacial Silicon Photovoltaics T. Sidawi, R. E. Kumar, I. Slauch, R. Meier, M. I. Bertoni, D. P. Fenning*, IEEE Journal of Photovoltaics, 2023, 10.1109/JPHOTOV.2023.3243404

A Poisson-Nernst-Planck Model of Ion Transport and Interface Segregation in Metal-Insulator-Semiconductor Structures and Solar Cells E. Martinez-Loran, G. von Gastrow, J. Clenney, F. F. Contreras-Torres, R. Meier, M. I. Bertoni, P. Bandaru, D. P. Fenning, Phys Stat Sol B, 2022, 259, 2100514

Finite Element Simulation of Potential Induced Degradation Kinetics in p-Type Silicon Solar Modules E. Martinez-Loran, G. von Gastrow, J. Clenney, R. Meier, P. Bandaru, M. I. Bertoni, D. P. Fenning*, IEEE Journal of Photovoltaics, 2022, 12 (1), 45-52

Glass vs. Backsheet: Deconvoluting the Role of Moisture in Power Loss in Silicon Photovoltaics With Correlated Imaging During Accelerated Testing R. E. Kumar, G. von Gastrow, N. Theut, A. M. Jeffries, T. S. Sidawi, A. Ha, F. de Plachett, H. Moctezuma-Andraca, S. Donaldson, M. I. Bertoni, D. P. Fenning*, IEEE Journal of Photovoltaics, 2022, 12 (1), 285-292.

Epitaxial ferroelectric oxides on silicon with perspectives for future device applications M. Spreitzer, D. Klement, T. P. Potonik, U. Trstenjak, Z. Jovanovic, M. D. Nguyen, H. Yuan, J. E. ten Elshof, E. Houwman, G. Koster, G. Rijnders, J. Fompeyrine, L. Kornblum, D. P. Fenning, Y. Liang, W. Tong, P. Ghosez, APL Materials, 2021

Toward Exotic Silicon Doping with a Low Thermal Budget and Flexible Profile Control by Liquid-Phase Epitaxy G. von Gastrow, T. Rastogi, E. Magaña, D. P. Fenning, ACS Applied Materials & Interfaces, 2021

First Principles Modeling of Polymer Encapsulant Degradation in Si Photovoltaic Modules A. Mannodi-Kanakkithodi, R. E. Kumar, D. P. Fenning, M. K. Y. Chan, Phys. Chem. Chem. Phys., 2021,23, 10357-10364

Toward exotic silicon doping with low thermal budget and flexible profile control by liquid-phase epitaxy G. von Gastrow, T. Rastogi, E. Magana, D. P. Fenning*, ACS Applied Materials & Interfaces, early view online, 2021

Quantification of Sodium Ion Migration in SiNx by Flatband-Potential Monitoring at Device Operating Temperatures G. von Gastrow†, E. Martinez-Loran†, J. D. Scharf†, J. Clenney, R. Meier, P. Bandaru, M. I. Bertoni, D. P. Fenning*, Physica Status Solidi A, 217 (16), 2000212, 2020

Enhanced Environmental Stability of a 12.5% n-Graphene/p-Silicon Solar Cell through the Use of Aluminum Oxide Encapsulation S. Yavuz, E. M. Loran, N. Sarkar, D. P. Fenning, P. R. Bandharu, ACS Applied Materials & Interfaces, 10(43) 37181-37187, 2018

Elucidation of Iron Gettering Mechanisms in Boron-Implanted Silicon H. S. Laine, V. Vähänissi, Z. Liu, E. Magaña, J. Krügener, A. E. Morishige, K. Salo, B. Lai, H. Savin, D. P. Fenning, IEEE Journal of Photovoltaics, 8(1), 79-88, 2018

X-ray Microprobe Investigation of Iron During a Simulated Silicon Feedstock Extraction Process S. Bernardis, S. C. Fakra, E. Dal Martello, R. B. Larsen, B. K. Newman, D. P. Fenning, M. Di Sabatino, T. Buonassisi, Metallurgical and Materials Transactions B, 2016

Impact of Iron Precipitation on Phosphorus- Implanted Silicon Solar Cells H. Laine, V. Vähänissi, A. E. Morishige, J. Hofstetter, A. Haarahiltunen, B. Lai, H. Savin, D. P. Fenning, IEEE Journal of Photovoltaics, 10.1109/JPHOTOV.2016.2576680, 2016.

Synchrotron-based analysis of chromium distributions in multicrystalline silicon for solar cells M. Ann Jensen, J. Hofstetter, A.E. Morishige, G. Coletti, B. Lai, D.P. Fenning, and T. Buonassisi, Applied Physics Letters, 106, 202104, 2015.

Synchrotron-based investigation of transition-metal getterability in n-type multicrystalline silicon A. E. Morishige, M. A. Jensen, J. Hofstetter, P. X. T. Yen, C. Wang, B. Lai, D. P. Fenning, T. Buonassisi, Applied Physics Letters, 108, 202104, 2016.

Tuning the Oxidation State of SnOx and Mass Transport to Enhance Catholyte-Free CO2-to-Formate Electrolysis T. Kim, V. S. Devalla, S. P. Dunfield, S. Dorr, M. Kodur, D. P. Fenning*, ACS Energy Letters, 2021, 6, 10, 3793-3801

Nanoscale Surface Structure of Nanometer-Thick Ferroelectric BaTiO3 Films Revealed by Synchrotron X-ray Scanning Tunneling Microscopy: Implications for Catalytic Adsorption Reactions P. Abbasi, N. Shirato, R. E. Kumar, I. Albelo, M. Barone, D. N. Cakan, Ma. de la Paz Cruz-J ́auregui, S. Wieghold, D. G. Schlom, V. Rose, T. A. Pascal, D. P. Fenning*, ACS Applied Nano Materials, 2023, 10.1021/acsanm.2c05257

Ferroelectric Modulation of Surface Electronic States in BaTiO3 for Enhanced Hydrogen Evolution Activity P. Abbasi, M. R. Barrone, Ma. de la Paz Cruz-J ́auregu, D. Valdespino-Padilla, H. Paik, T. Kim, D. G. Schlom, T. A. Pascal*, D. P. Fenning*, Nano Letters, 2022, 22, 10, 4276-4284

How Strain Alters CO2 Electroreduction on Model Cu Surfaces T. Kim, R. E. Kumar, J. A. Brock, E. E. Fullerton, D. P. Fenning*, ACS Catalysis, 2021, 11, 11, 6662-6671

Anisotropic Nanoporous Morphology of ZnO-Supported Co that Enhances Catalytic Activity C. M. Coaty, A. Corrao, T. Kim, V. Petrova, D. P. Fenning, P. Khalifah, P. Liu, Nanoscale, 2021,13, 8242-825

Enhancing C2–C3 Production from CO2 on Copper Electrocatalysts via a Potential-Dependent Mesostructure T. Kim, A. Kargar, Y. Luo, R. Mohammed, E. Martinez Loran, P. Shah, D. P. Fenning, ACS Applied Energy Materials, accepted version online: dx.doi.org/10.1021/acsaem.8b00048, 2018

Hierarchical Porous Car- bonized Co3O4 Inverse Opals via Combined Block Copolymer and Colloid Templating as Bifunctional Electrocatalysts in Li-O2 Battery, S. A. Cho, Y. J. Jang, H.-D. Lim, J. E. Lee, F. M. Mota, Y. H. Jang, D. P. Fenning, K. Kang, Y. Shao-Horn, D. H. Kim, Advanced Energy Materials

Solar Hydrogen Production Using Epitaxial SrTiO3 on a GaAs Photovoltaic, L. Kornblum, D. P. Fenning, J. Faucher, J. Hwang, A. Boni, M. G. Han, M. D. Morales-Acosta, Y. Zhu, E. I. Altman, M. L. Lee, C. H. Ahn, F. J. Walker, Y. Shao-Horn, Energy & Environmental Science, 10.1039/C6EE03170F, 2017

Surface Plasmon Assisted Hot Electron Collection in Wafer-Scale Metallic-Semiconductor Photonic Crystal, J. B. Chou, X.-H. Li, Y. Wang, D. P. Fenning, A. Elfaer, J. Viegas, M. Jouiad, Y. Shao-Horn, S.-G. Kimtal, Optics Express, 24, A1234-A1244, 2016

The Electrode-Electrolyte Interface in Li-ion Batteries: Curent Understanding and New Insights, M. Gauthier, T. J. Carney, A. Grimaud, L. Giordano, N. Pour, H.-H. Chang, D. P. Fenning, S. Lux, O. Pachos, F. Maglia, S. Lupart, P. Lamp, Y. Shao-Horn, Journal of Physical Chemistry Letters

Low-Temperature Synthesis of Stable CaZn2P2 Zintl Phosphide Thin Films as Candidate Top Absorbers Shaham Quadir, Zhenkun Yuan, Guillermo L Esparza, Sita Dugu, John S Mangum, Andrew Pike, Muhammad Rubaiat Hasan, Gideon Kassa, Xiaoxin Wang, Yagmur Coban, Jifeng Liu, Kirill Kovnir, David P Fenning, Obadiah G Reid, Andriy Zakutayev, Geoffroy Hautier, Sage R Bauers, Advanced Energy Materials, 2024

Conductive block copolymer elastomers and psychophysical thresholding for accurate haptic effects Rachel Blau, Abdulhameed Abdal, Nicholas Root, Alexander X Chen, Tarek Rafeedi, Robert Ramji, Yi Qie, Taewoo Kim, Anthony Navarro, Jason Chin, Laura L Becerra, Samuel J Edmunds, Samantha M Russman, Shadi A Dayeh, David P Fenning, Romke Rouw, Darren J Lipomi, Science Robotics, 2024

Discovery of the Zintl-phosphide BaCd2P2 as a long carrier lifetime and stable solar absorber Zhenkun Yuan, Diana Dahliah, Muhammad Rubaiat Hasan, Gideon Kassa, Andrew Pike, Shaham Quadir, Romain Claes, Cierra Chandler, Yihuang Xiong, Victoria Kyveryga, Philip Yox, Gian-Marco Rignanese, Ismaila Dabo, Andriy Zakutayev, David P Fenning, Obadiah G Reid, Sage Bauers, Jifeng Liu, Kirill Kovnir, Geoffroy Hautier, Joule, 2024

Effect of Additives on the Surface Morphology, Energetics, and Contact Resistance of PEDOT:PSS Alexander X Chen, Guillermo L Esparza, Ignasi Simon, Sean P Dunfield, Yi Qie, Jordan A Bunch, Rachel Blau, Allison Lim, Henry Zhang, Sarah E Brew, Finnian M O’Neill, David P Fenning, Darren J Lipomi, ACS Applied Materials & Interfaces, 2023.

Investigation of Local Distortion Effects on X-Ray Absorption of Ferroelectric Perovskites from First Principles Simulations P. Abbasi, D. P. Fenning, T. A. Pascal, Nanoscale, 2023, 15 (11), 5193-5200.

Comparison of the Mechanical Properties of a Conjugated Polymer Deposited using Scalable Deposition Techniques K. Choudhary, A. X. Chen, G. M. Pitch, R. R. Runser, A. Urbina, T. J. Dunn, M. Kodur, A. T. Kleinschmidt, D. P. Fenning, A. L. Ayzner, D. J. Lipomi, ACS Applied Materials & Interfaces, 2021, 13, 43, 51436-51446.

Exploring Frontiers in Research and Teaching: NanoEngineering and Chemical Engineering at UC San Diego D. J. Lipomi, D. P. Fenning, S. P. Ong, N. J. Shah, A. R. Tao, L. Zhang, ACS Nano, 2021.

A Wearable Colorimetric Dosimeter to Monitor Sunlight Exposure J. Wang, A. S. Jeevarathinam, A. Jhunjhunwala, H. Ren, J. Lemaster, Y. Luo, D. P. Fenning, E. E. Fullerton, J. V. Jokerst, Advanced Materials Technologies, accepted, doi: 10.1002/admt.201800037, 2018.

Thickness-Dependent Photoelectrochemical Water-Splitting on Ultra-Thin LaFeO3 Films Grown on Nb:SrTiO3, K. J. May, D. P. Fenning, T. Ming, W. T. Hong, D. Lee, K. A. Stoerzinger, M. D. Biegalski, A. M. Kolpak, Y. Shao-Horn, Journal of Physical Chemistry Letters (pdf)

Sorting metrics for customized phosphorus diffusion gettering, J. Hofstetter, D. P. Fenning, D. M. Powell, A. E. Morishige, and T. Buonassisi, IEEE Journal of Photovoltaics (pdf)

Darwin at High Temperature: Advancing Solar Cell Material Design through Defect Kinetics Simulation and Evolutionary Optimization, D. P. Fenning, J. Hofstetter, A. E. Morishige, D. M. Powell, A. S. Zuschlag, G. Hahn, T. Buonassisi. Advanced Energy Materials, doi: 10.1002/aenm.201400459 (2014). (pdf)

Investigation of Lifetime-Limiting Defects After High-Temperature Phosphorus Diffusion in Silicon Solar Cell Materials, D. P. Fenning, A. S. Zuschlag, A. Frey, J. Hofstetter, M. I. Bertoni, G. Hahn, T. Buonassisi. IEEE Journal of Photovoltaics, 4(3), pp. 866-873 (2014). (pdf)

Iron Management in Multicrystalline Silicon through Predictive Simulation: Point Defects, Precipitates, and Structural Defect Interactions J. Hofstetter, D. P. Fenning, D. M. Powell, A. E. Morishige, and T. Buonassisi, Solid State Phenomena, 205-206, pp.15-25 (2014).

Effective lifetimes exceeding 300 microseconds in thin p-type epitaxial kerfless silicon for photovoltaics achieved via defect engineering, D. M. Powell, J. Hofstetter, D. P. Fenning, R. Hao, T. S. Ravi, T. Buonassisi, Applied Physics Letters

Improved Iron Gettering in Contaminated Multicrystalline Silicon by High-Temperature Phosphorus Diffusion D. P. Fenning*, Annika Zuschlag*, M. I. Bertoni, B. Lai, G. Hahn, T. Buonassisi, Journal of Applied Physics, 113, 214504 (2013). *equal contributions

Nickel: A Very Fast Diffuser in Silicon J. Lindroos, D. P. Fenning, D. Backlund, E. Verlage, A. Gorgulla, S. K. Estreicher, H. Savin, T. Buonassisi Journal of Applied Physics

Local Melting in Silicon Driven By Retrograde Solubility D. P. Fenning, B. K. Newman, M. I. Bertoni, S. Hudelson, S. Bernardis, M. A. Marcus, S. C. Fakra, T. Buonassisi, Acta Materialia

Precipitated Iron: A Limit on Gettering Efficacy in Multicrystalline Silicon D. P. Fenning, J. Hofstetter, M. I. Bertoni, G. Coletti, B. Lai, C. del Cañizo, T. Buonassisi. Journal of Applied Physics

Dislocation density reduction during impurity gettering in multicrystalline silicon H. J. Choi, M. I. Bertoni, J. Hofstetter, D. P. Fenning, D. M. Powell, S. Castellanos, T. Buonassisi, IEEE Journal of Photovoltaics, 3 (1), pp 189-198, (2013).

Analysis of the Evolution of Iron Precipitates in Multicrystalline Silicon During Solar Cell Processing J. Schön, A. Haarahiltunen, H. Savin, D. P. Fenning, T. Buonassisi, W. Warta, and M. C. Schubert, IEEE Journal of Photovoltaics, 3 (1), pp 131-137 (2013).

Engineering Metal Precipitate Size Distributions to Enhance Gettering in Multicrystalline J. Hofstetter, D. P. Fenning, J.F. Lelièvre, C. del Cañizo, and T. Buonassisi, Phys. Status Solidi (a), 209 (10), pp 1861-1865, (2012).

TCAD for PV: A fast method for accurately modelling metal impurity evolution during solar cell processing D. M. Powell, D. P. Fenning, J. Hofstetter, J. F. Lelièvre, B. Lai, C. del Cañizo, and T. Buonassisi, Photovotaics International, 15th edition, April 2012.

Synchrotron-based Investigation of Impurities in Raw Quartz- and Carbon-Bearing Feedstock Materials for Photovoltaic Applications S. Bernardis, B. K. Newman, M. Di Sabatino, M. I. Bertoni, D. P. Fenning, S. C. Fakra, R. B. Larsen, and T. Buonassisi. Prog. Photovolt.: Res. App.

Towards the tailoring of P diffusion gettering to as-grown silicon material properties J. Hofstetter, J.F. Lelièvre, D. P. Fenning, M.I. Bertoni, T. Buonassisi, and C. del Cañizo. Solid State Phenomena, 178-179, pp. 158-165 (2011).

Nanoprobe X-ray Fluorescence Characterization of Defects in Large-Area Solar Cells M. I. Bertoni, D. P. Fenning, M. Rinio, J. Maser, T. Buonassisi, Energy and Environmental Science, 4, pp. 4252-4257, (2011).

Enhanced iron gettering by short, optimized low-temperature annealing after phosphorus emitter diffusion for industrial silicon solar cell processing J. Hofstetter, J. F. Lelièvre, D. P. Fenning, M.I. Bertoni, T. Buonassisi, A. Luque, C. del Cañizo, Physica Status Solidi c, 8 (3), pp. 759-972, (2011).

Iron Distribution in Silicon After Solar Cell Processing: Synchrotron Analysis and Predictive Modeling D. P. Fenning, J. Hofstetter, M. I. Bertoni, S. Hudelson, M. Rinio, J. F. Lelièvre, B. Lai, C. del Cañizo, and T. Buonassisi, Applied Physics Letters

Seeding of Silicon Wire Growth by Out-Diffused Metal Precipitates V. Ganapati, D. P. Fenning, M.I. Bertoni, C.E. Kendrick, A.E. Fecych, J.M. Redwing, and T. Buonassisi, Small, Vol. 7, Issue 5, 563-567 (2011).

Impurity-to-Efficiency Simulator: Predictive Simulation of Silicon Solar Cell Performance Based on Iron Content and Distribution J. Hofstetter, D. P. Fenning, M. I. Bertoni, J. F. Lelièvre, C. del Cañizo, T. Buonassisi, Prog. Photovolt.: Res. App., Vol. 19, Issue 4, 487-497 (2011).

Influence of defect type on hydrogen passivation efficacy in multicrystalline silicon solar cells M. I. Bertoni, S. Hudelson, B. K. Newman, S. Bernardis, D. P. Fenning, H. F. W. Dekkers, E. Cornagliotti, A. Zuschlag, G. Micard, G. Hahn, G. Coletti, B. Lai, T. Buonassisi, Prog. Photovolt.: Res. App., Vol. 19, Issue 2, 187-191 (2011).

Design and Fabrication of Porous Polymer Wick Structures V. Shkolnikov, D. G. Strickland, D. P. Fenning, J. G. Santiago, Sensors and Actuators B: Chemical, Vol.150, Issue 2, 556-563 (2010).

Retrograde Melting and Internal Liquid Gettering in Silicon S. Hudelson, B. K. Newman, S. Bernardis, D. P. Fenning, M. I. Bertoni, M. A. Marcus, S. C. Fakra, B. Lai, T. Buonassisi, Advanced Materials

Robotic data management for trustworthy AI: A perspective from the perovskite semiconductor community Carolin M. Sutter-Fella, Mahshid Ahmadi, Christoph Brabec, Tonio Buonassisi, Matthew L. Evans, David P. Fenning, M Götte, T. Jesper Jacobsson, Hemanth Neelgund Ramesh, Clara Tamura, Eva Unger, Charles Yang, Haitao Zhao, Yi Zhou, S Y Sun, ChemRxiv, 2026

Electron-Beam-Induced Degradation of Halide Perovskites Revealed by Ultra-Low-Dose Microscopy Yuxi Zhang, Kelly X Vences, Connor J. Dolan, Arkita Chakrabarti, Farzaneh Rezaei, Hadas Sternlicht, Sai Venkata Gayathri Ayyagari, Mariana I. Bertoni, David P. Fenning, Nasim Alem, Microscopy and Microanalysis, 2026

BaCd 2 P 2 : A Promising Impurity‐Tolerant Counterpart of GaAs for Photovoltaics Gideon Kassa, Zhenkun Yuan, Muhammad R. Hasan, Guillermo L. Esparza, David P. Fenning, Geoffroy Hautier, Kirill Kovnir, Jifeng Liu, Advanced Optical Materials, 2026

Ultrafast (1‐5 sec) Lamination of Perovskite Solar Cells With Self‐Encapsulation Using Rapid Joule Heating Oluka Okia, Md Aslam Uddin, Tianhan Gao, Zhihang Zhang, Vaishnav Madhava Das, Clare Lanaghan, Alexandra C. Hurd, Wei Lu, David P. Fenning, Neil P. Dasgupta, Advanced Materials Technologies, 2026

Long photoexcited carrier lifetime in a stable and earth-abundant zinc polyphosphide Zhenkun Yuan, Genevieve Amobi, Shaham Quadir, Sreetosh Goswami, Guillermo L. Esparza, Gideon Kassa, Gayatri Viswanathan, Joseph Race, Muhammad Rubaiat Hasan, Jack R. Palmer, Sita Dugu, Yagmur Coban, Andriy Zakutayev, Obadiah G. Reid, David P. Fenning, Kirill Kovnir, Sage R. Bauers, Jifeng Liu, Geoffroy Hautier, arXiv (Cornell University), 2026

CaCd 2 P 2 : A Visible‐Light Absorbing Zintl Phosphide Stable Under Photoelectrochemical Water Oxidation Guillermo L. Esparza, Zhenkun Yuan, Muhammad Rubaiat Hasan, Yagmur Coban, Gideon Kassa, Tejas Nivarty, Darya Kamiyama, Vivek Shastry Devalla, Jack R. Palmer, Dean Chen, Kelly X. Vences, Jifeng Liu, Kirill Kovnir, Geoffroy Hautier, David P. Fenning, Advanced Energy Materials, 2026

Balancing moisture and oxygen can match the crystallization dynamics of inert halide perovskite processing Maimur Hossain, Connor J. Dolan, Eric Oberholtz, Darya Kamiyama, Jack Palmer, Paulo E. Marchezi, Tim Kodalle, Carolin M. Sutter-Fella, David P. Fenning, EES solar., 2026

Transparent and Recyclable PDMS Adhesive Enabled by Dynamic Diels–Alder Cross-linking Zackery E. Moreau, Ayush Tiwary, Rachel Blau, Audithya Nyayachavadi, Allison Lim, Noel Sebastien D. Mallari, Emerson Q. S. Parker, Savannah M. Kezmoh, Eileen S. Stawski, Tarek Rafeedi, Anh Tuan Nguyen‐Huynh, Zihan Liu, Cameron B. Lennox, David P. Fenning, Darren J. Lipomi, ACS Macro Letters, 2025

Thermal Stability and Mechanical Toughness of Laminated Perovskite Solar Cells Clare Lanaghan, Md Aslam Uddin, Jack R. Palmer, Ali Madanchi, Alexandra C. Hurd, Oluka Okia, M.D. Thouless, David P. Fenning, Neil P. Dasgupta, ACS Applied Materials & Interfaces, 2025

Dissymmetry Factor Enhancement: A Data-Driven Approach to Unravel the Synthesis Knobs of Chiral 2D Perovskites Raphael F. Moral, Maher B. Alghalayini, R.N. Nurdillayeva, Do-Kyoung Lee, Tim Kodalle, Paulo E. Marchezi, David P. Fenning, Marcus M. Noack, Craig P. Schwartz, Carolin M. Sutter‐Fella, ChemRxiv, 2025

Cryogenic Focused Ion Beam Preparation of Organic-Inorganic Hybrid Perovskite FAPbI3 for Transmission Electron Microscopy Yuxi Zhang, Hadas Sternlicht, Sai Venkata Gayathri Ayyagari, Farzaneh Rezaei, Arkita Chakrabarti, Kelly X Vences, Sean P. Dunfield, Mariana I. Bertoni, David P. Fenning, Nasim Alem, Microscopy and Microanalysis, 2025

High-throughput Computational Discovery of Long Carrier Lifetime and Stable New Solar Absorbers Geoffroy Hautier, Zhenkun Yuan, Diana Dahliah, Muhammad Rubaiat Hasan, Gideon Kassa, Andrew Pike, Shaham Quadir, Guillermo L. Esparza, Sita Dugu, John S. Mangum, Romain Claes, Yagmur Coban, Smitakshi Goswami, Xiaoxin Wang, Cierra Chandler, Yihuang Xiong, Victoria Kyveryga, Philip Yox, Gian‐Marco Rignanese, Ismaïla Dabo, Andriy Zakutayev, David P. Fenning, Obadiah G. Reid, Sage R. Bauers, Jifeng Liu, Kirill Kovnir, 2025

Ultrafast (1 sec) Lamination of Perovskite PVs with In Situ Metrology Oluka Okia, Tianhan Gao, Md Aslam Uddin, Jack Palmer, Vaishnav Madhava Das, Cheng Qian, Zhihang Zhang, Yunguang Wang, Chinedum Okwudire, David P. Fenning, Wei Lu, Neil P. Dasgupta, 2025

Thermal and Mechanical Stability of Laminated Perovskite Solar Cells Clare Lanaghan, Md Aslam Uddin, Jack Palmer, Michael Thouless, David P. Fenning, Neil P. Dasgupta, 2025

Packaging of PV Modules Designed for Circularity Ayush Tiwary, Zack Moreau, Rachel Blau, Darren J. Lipomi, David P. Fenning, 2025

Investigating Hydrogen Behavior at a-Si:H/c-Si Interfaces through Electrical Measurement and Chemical Analysis Guang-Yu Lee, Nicholas Moser-Mancewicz, Jorge Ochoa Bueno, Mariana I. Bertoni, David P. Fenning, 2025

Spatially resolved electronic parameters on perovskite modules using luminescence imaging Zhewen J. D. Deng, Jack R. Palmer, David P. Fenning, 2025

Nanoscale Strain and Octahedral Tilting Removes Structural and Nonradiative Defects in 2D-Templated FAPbI3 Connor J. Dolan, Andrew J. Torma, Siraj Sidhik, Faiz Mandani, Hao Zhang, Isaac Metcalf, Jack R. Palmer, Zhewen J. D. Deng, Tao Zhou, Zhonghou Cai, Martin V. Holt, Yanqi Luo, Barry Lai, Jacky Even, David P. Fenning, Aditya D. Mohite, ACS Nano, 2025

A microscopic look at degradation David P. Fenning, M. Khalid Hossain, Connor J. Dolan, Nature Energy, 2025

Single crystal purification reduces trace impurities in halide perovskite precursors, alters perovskite thin film performance, and improves phase stability Connor J. Dolan, Emma R. Yakel, Shiwei Liu, Ross A. Kerner, Jack R. Palmer, Kelly X Vences, Hendrik M. Vossler, Clark Han, Sean P. Dunfield, David P. Fenning, Journal of Materials Chemistry C, 2025

Polytype selection in the antisolvent-free crystallization of formamidinium lead iodide using alkylammonium chlorides Paulo E. Marchezi, Jack R. Palmer, Maimur Hossain, Tim Kodalle, Raphael F. Moral, Carolin M. Sutter‐Fella, David P. Fenning, Journal of Materials Chemistry A, 2025

PARASOL: an open-source platform for parallel testing of solar modules Sean P. Dunfield, Zhewen J. D. Deng, Ken Kaushal, Deniz N. Cakan, Jack R. Palmer, Rishi E. Kumar, Clark Han, Colin Zyskowski, David P. Fenning, Sustainable Energy & Fuels, 2025