13. 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.
14. 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*, submitted, 2021.
15. 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.
16. 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.
17. 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.
18. 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.
19. 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.2019.2938108
20. 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.
21. 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.
22. X-ray Microprobe Investigation of Iron During a Simulated Silicon Feedstock Extraction ProcessS. 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.
23. 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.(pdf)
24. 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.(pdf)
25. 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.(pdf)

Electrocatalysis

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

8. 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, 8242-8253.
9. 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.
10. 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, 1700391, 2017. (pdf)
11. 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. 
12. 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.
13. 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, 6, 4653-4672, 2015.(pdf) 

Halide Perovskite Materials and Devices

23. Halide Perovskites – Optoelectronic and Structural Characterization Methods D. P. Fenning, P. Schulz, S. D. Stranks, Advanced Energy Materials, 2021. invited
24. 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.
25. 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.
26. 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.

27. 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.
28. Accounting for sample morphology in correlative X-ray microscopy via ray tracing R. E. Kumar, X. L. Quinn, D. P. Fenning, MRS Advances, 2021.
29. 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.
30. 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.
31. 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.
32. 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.
33. 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.
34. 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.
35. 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.
36. 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
37. 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
38. 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.
39. 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.
40. 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.
41. 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)
42. 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.
43. 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
44. 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, 99, 1-8, 2016
45. 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, 28, 6526-6543, 2016. 

Other Topics

2. 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.
3. 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.

Before UCSD

24. 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, 6, 977–985, 2015. (pdf)
25. 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, 4 (6), 1421-1428, 2014. (pdf)
26. 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)
27. 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)
28. 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). (pdf)
29. 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, 103, 263902, (2013). (pdf)
30. 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 (pdf)
31. 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, 113, 204906 (2013). (pdf)
32. 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, 61(12), 4320 (2013). (pdf)
33. 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, 113, 044251 (2013). (pdf)
34. 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). (pdf)
35. 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). (pdf)
36. 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). (pdf)
37. 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. (pdf)
38. 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., 20, 217-225, (2012). (pdf)
39. 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). (pdf)
40. 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). (pdf)
41. 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). (pdf)
42. 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, 98, 162103 (2011). (pdf)
43. 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). (pdf)
44. 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). (pdf)
45. 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). (pdf)
46. 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). (pdf)
47. 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, 22, 3948-3953 (2010). (pdf)