Oxygenated CdS Buffer Layers Enabling High Open‐Circuit Voltages in Earth‐Abundant Cu2 BaSnS4 Thin‐Film Solar Cells J Ge, P Koirala, CR Grice, PJ Roland, Y Yu, X Tan, RJ Ellingson, ...
Advanced Energy Materials 7 (6), 1601803, 2017
119 2017 Adsorption-controlled growth of BiVO4 by molecular-beam epitaxy S Stoughton, M Showak, Q Mao, P Koirala, DA Hillsberry, S Sallis, ...
APL Materials 1 (4), 2013
86 2013 Iron pyrite nanocrystal film serves as a copper-free back contact for polycrystalline CdTe thin film solar cells KP Bhandari, P Koirala, NR Paudel, RR Khanal, AB Phillips, Y Yan, ...
Solar Energy Materials and Solar Cells 140, 108-114, 2015
77 2015 Employing Overlayers To Improve the Performance of Cu2 BaSnS4 Thin Film based Photoelectrochemical Water Reduction Devices J Ge, PJ Roland, P Koirala, W Meng, JL Young, R Petersen, TG Deutsch, ...
Chemistry of Materials 29 (3), 916-920, 2017
70 2017 Through‐the‐glass spectroscopic ellipsometry for analysis of CdTe thin‐film solar cells in the superstrate configuration P Koirala, J Li, HP Yoon, P Aryal, S Marsillac, AA Rockett, NJ Podraza, ...
Progress in Photovoltaics: Research and Applications 24 (8), 1055-1067, 2016
66 2016 Direct Observation of CdCl2 Treatment Induced Grain Boundary Carrier Depletion in CdTe Solar Cells Using Scanning Probe Microwave Reflectivity Based … M Tuteja, P Koirala, V Palekis, S MacLaren, CS Ferekides, RW Collins, ...
The Journal of Physical Chemistry C 120 (13), 7020-7024, 2016
55 2016 Irradiance and temperature considerations in the design and deployment of high annual energy yield perovskite/CIGS tandems RH Ahangharnejhad, AB Phillips, K Ghimire, P Koirala, Z Song, ...
Sustainable Energy & Fuels 3 (7), 1841-1851, 2019
37 2019 Parameterized complex dielectric functions of CuIn1−x Gax Se2 : applications in optical characterization of compositional non‐uniformities and depth profiles in … P Aryal, AR Ibdah, P Pradhan, D Attygalle, P Koirala, NJ Podraza, ...
Progress in Photovoltaics: Research and Applications 24 (9), 1200-1213, 2016
37 2016 Thin film iron pyrite deposited by hybrid sputtering/co-evaporation as a hole transport layer for sputtered CdS/CdTe solar cells KP Bhandari, X Tan, P Zereshki, FK Alfadhili, AB Phillips, P Koirala, ...
Solar Energy Materials and Solar Cells 163, 277-284, 2017
33 2017 Direct observation of electrical properties of grain boundaries in sputter-deposited CdTe using scan-probe microwave reflectivity based capacitance measurements M Tuteja, P Koirala, S MacLaren, R Collins, A Rockett
Applied physics letters 107 (14), 2015
28 2015 Real time spectroscopic ellipsometry for analysis and control of thin film polycrystalline semiconductor deposition in photovoltaics P Koirala, D Attygalle, P Aryal, P Pradhan, J Chen, S Marsillac, ...
Thin solid films 571, 442-446, 2014
26 2014 Spectroscopic ellipsometry for analysis of polycrystalline thin-film photovoltaic devices and prediction of external quantum efficiency AR Ibdah, P Koirala, P Aryal, P Pradhan, S Marsillac, AA Rockett, ...
Applied Surface Science 421, 601-607, 2017
23 2017 Electron beam induced current in the high injection regime PM Haney, HP Yoon, P Koirala, RW Collins, NB Zhitenev
Nanotechnology 26 (29), 295401, 2015
20 2015 Optical Hall effect of PV device materials P Uprety, C Wang, P Koirala, DR Sapkota, K Ghimire, MM Junda, Y Yan, ...
IEEE Journal of Photovoltaics 8 (6), 1793-1799, 2018
17 2018 Optical simulation of external quantum efficiency spectra of CuIn1− xGaxSe2 solar cells from spectroscopic ellipsometry inputs ARA Ibdah, P Koirala, P Aryal, P Pradhan, MJ Heben, NJ Podraza, ...
Journal of energy chemistry 27 (4), 1151-1169, 2018
17 2018 Low temperature photoluminescence spectroscopy studies on sputter deposited CdS/CdTe junctions and solar cells M Tuteja, P Koirala, J Soares, R Collins, A Rockett
Journal of Materials Research, 1-9, 2016
17 2016 Reduced recombination and improved performance of CdSe/CdTe solar cells due to cu migration induced by light soaking MK Jamarkattel, X Mathew, AB Phillips, E Bastola, KK Subedi, FK Alfadhili, ...
ACS Applied Materials & Interfaces 14 (17), 19644-19651, 2022
15 2022 Optical Properties of MM Junda, CR Grice, P Koirala, RW Collins, Y Yan, NJ Podraza
2017 IEEE 44th Photovoltaic Specialist Conference (PVSC), 3426-3429, 2017
15 2017 Impact of lifetime on the levelized cost of electricity from perovskite single junction and tandem solar cells RH Ahangharnejhad, AB Phillips, Z Song, I Celik, K Ghimire, P Koirala, ...
Sustainable Energy & Fuels 6 (11), 2718-2726, 2022
14 2022 Optical design of perovskite solar cells for applications in monolithic tandem configuration with CuInSe2 bottom cells RH Ahangharnejhad, Z Song, AB Phillips, SC Watthage, ZS Almutawah, ...
MRS Advances 3 (52), 3111-3119, 2018
14 2018 
Michael J. HebenUniversity of ToledoE-mail confirmado em utoledo.edu
