In situ and ex situ investigations of KF postdeposition treatment effects on CIGS solar cells S Karki, PK Paul, G Rajan, T Ashrafee, K Aryal, P Pradhan, RW Collins, ...
IEEE Journal of Photovoltaics 7 (2), 665-669, 2016
52 2016 Maximize CdTe solar cell performance through copper activation engineering DB Li, SS Bista, Z Song, RA Awni, KK Subedi, N Shrestha, P Pradhan, ...
Nano Energy 73, 104835, 2020
51 2020 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 Large-Area Compositional Mapping of Cu(In P Aryal, D Attygalle, P Pradhan, NJ Podraza, S Marsillac, RW Collins
IEEE Journal of Photovoltaics 3 (1), 359-363, 2012
37 2012 Optical monitoring and control of three-stage coevaporated Cu(In1−x Gax )Se2 by real-time spectroscopic ellipsometry D Attygalle, V Ranjan, P Aryal, P Pradhan, S Marsillac, NJ Podraza, ...
2012 IEEE 38th Photovoltaic Specialists Conference (PVSC) PART 2, 1-6, 2012
31 2012 Real time spectroscopic ellipsometry analysis of the three-stages of CuIn1−x Gax Se2 co-evaporation P Pradhan, P Aryal, AR Ibdah, K Aryal, J Li, NJ Podraza, S Marsillac, ...
2014 IEEE 40th Photovoltaic Specialist Conference (PVSC), 2060-2065, 2014
30 2014 Real time spectroscopic ellipsometry for analysis and control of thin film polycrytalline semiconductor deposition in photovoltaics P Koirala, D Attygale, P Aryal, P Pradhan, J Chen, S Marsillac, ...
Thin solid films 571, 442-446, 2013
26 2013 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 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 Real-Time, In-Line, and Mapping Spectroscopic Ellipsometry for Applications in Cu (In $ _ {{\bf 1}-{\bm x}} $ Ga $ _ {\bm x} $) Se $ _ {\bf 2} $ Metrology P Aryal, P Pradhan, D Attygalle, ARA Ibdah, K Aryal, V Ranjan, ...
IEEE Journal of Photovoltaics 4 (1), 333-339, 2013
15 2013 Tailoring the CdS/CdSe/CdTe multilayer structure for optimization of photovoltaic device performance guided by mapping spectroscopic ellipsometry MAR Alaani, P Koirala, P Pradhan, AB Phillips, NJ Podraza, MJ Heben, ...
Solar Energy Materials and Solar Cells 221, 110907, 2021
11 2021 Evaluation of CuInSe2 Materials and Solar Cells Co-evaporated at Different Rates Based on Real Time Spectroscopic Ellipsometry Calibrations DR Sapkota, P Pradhan, R Irving, CR Grice, AB Phillips, MJ Heben, ...
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC), 0451-0458, 2021
8 2021 Identification of Defect Levels in Copper Indium Diselenide (CuInSe2 ) Thin Films via Photoluminescence Studies N Shrestha, DR Sapkota, KK Subedi, P Pradhan, P Koirala, AB Phillips, ...
MRS advances 3, 3135-3141, 2018
8 2018 Effect of molybdenum deposition temperature on the performance of CuIn1− xGaxSe2 solar cells P Pradhan, P Aryal, AR Ibdah, P Koirala, J Li, NJ Podraza, AA Rockett, ...
2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC), 1-4, 2015
7 2015 Spectroscopic Ellipsometry Investigation of CuInSe2 as a Narrow Bandgap Component of Thin Film Tandem Solar Cells DR Sapkota, P Koirala, P Pradhan, N Shrestha, MM Junda, AB Phillips, ...
2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC)(A …, 2018
6 2018 Real time and post-deposition optical analysis of interfaces in CdTe solar cells P Koirala, N Paudel, J Chen, P Pradhan, D Attygalle, Y Yan, NJ Podraza, ...
2012 38th IEEE Photovoltaic Specialists Conference, 000134-000139, 2012
6 2012 Structural and Optical Properties of Two-Stage CuInSe2 Thin Films Studied by Real Time Spectroscopic Ellipsometry DR Sapkota, P Pradhan, P Koirala, R Irving, AB Phillips, RJ Ellingson, ...
2019 IEEE 46th Photovoltaic Specialists Conference (PVSC), 0943-0948, 2019
5 2019 In-situ and ex-situ characterizations of CIGS solar cells with KF post deposition treatment S Karki, P Paul, G Rajan, T Ashrafee, K Aryal, P Pradhan, RW Collins, ...
43rd IEEE Photovoltaic Specialists Conference, Portland, OR, 1-6, 2016
5 2016 Solar cells with thin Cu(In1-xGax)Se2 absorbers: Optical analysis and quantum efficiency simulations AR Ibdah, P Aryal, P Pradhan, G Rajan, J Li, AA Rockett, S Marsillac, ...
2014 IEEE 40th Photovoltaic Specialist Conference (PVSC), 0373-0378, 2014
5 2014 Real Time Spectroscopic Ellipsometry Analysis of First Stage CuIn1−x Gax 2 Growth: Indium-Gallium Selenide Co-Evaporation P Pradhan, P Aryal, D Attygalle, AR Ibdah, P Koirala, J Li, KP Bhandari, ...
Materials 11 (1), 145, 2018
4 2018 
