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Oki Gunawan
Oki Gunawan
Research Staff Member IBM, Princeton University
Adresă de e-mail confirmată pe us.ibm.com - Pagina de pornire
Titlu
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Device characteristics of CZTSSe thin-film solar cells with 12.6% efficiency.
W Wang, MT Winkler, O Gunawan, T Gokmen, TK Todorov, Y Zhu, ...
Advanced energy materials 4 (7), 2014
37722014
The path towards a high-performance solution-processed kesterite solar cell
DB Mitzi, O Gunawan, TK Todorov, K Wang, S Guha
Solar Energy Materials and Solar Cells 95 (6), 1421-1436, 2011
15282011
Thin film solar cell with 8.4% power conversion efficiency using an earth‐abundant Cu2ZnSnS4 absorber
B Shin, O Gunawan, Y Zhu, NA Bojarczuk, SJ Chey, S Guha
Progress in Photovoltaics: Research and Applications 21 (1), 72-76, 2013
14182013
Beyond 11% Efficiency: Characteristics of State‐of‐the‐Art Cu2ZnSn(S,Se)4 Solar Cells
TK Todorov, J Tang, S Bag, O Gunawan, T Gokmen, Y Zhu, DB Mitzi
Advanced Energy Materials 3 (1), 34-38, 2013
11992013
Device characteristics of a 10.1% hydrazine‐processed Cu2ZnSn(Se,S)4 solar cell
DAR Barkhouse, O Gunawan, T Gokmen, TK Todorov, DB Mitzi
Progress in Photovoltaics: Research and Applications 20 (1), 6-11, 2012
9582012
Thermally evaporated CZTSS solar cells
K Wang, O Gunawan, T Todorov, B Shin, SJ Chey, NA Bojarczuk, D Mitzi, ...
Applied Physics Letters 97 (14), 143508-143508-3, 2010
853*2010
Band tailing and efficiency limitation in kesterite solar cells
T Gokmen, O Gunawan, TK Todorov, DB Mitzi
Applied Physics Letters 103 (10), 2013
7512013
A High Efficiency Electrodeposited Cu2ZnSnS4 Solar Cell
S Ahmed, KB Reuter, O Gunawan, L Guo, LT Romankiw, H Deligianni
Advanced Energy Materials 2 (2), 253-259, 2012
6762012
Cu2ZnSnSe4 thin-film solar cells by thermal co-evaporation with 11.6% efficiency and improved minority carrier diffusion length
YS Lee, T Gershon, O Gunawan, TK Todorov, T Gokmen, Y Virgus, ...
Energy Mater 5 (7), 1401372, 2015
5872015
High efficiency Cu 2 ZnSn (S, Se) 4 solar cells by applying a double In 2 S 3/CdS emitter
J Kim, H Hiroi, TK Todorov, O Gunawan, M Kuwahara, T Gokmen, D Nair, ...
Adv. Mater 26 (44), 7427-7431, 2014
5072014
Solution‐processed Cu(In,Ga)(S,Se)2 absorber yielding a 15.2% efficient solar cell
TK Todorov, O Gunawan, T Gokmen, DB Mitzi
Progress in Photovoltaics: Research and Applications 21 (1), 82-87, 2013
4762013
Flexible CIGS, CdTe and a-Si: H based thin film solar cells: A review
J Ramanujam, DM Bishop, TK Todorov, O Gunawan, J Rath, R Nekovei, ...
Progress in Materials Science 110, 100619, 2020
4582020
Loss mechanisms in hydrazine-processed CZTSSSe solar cells
O Gunawan, TK Todorov, DB Mitzi
Applied Physics Letters 97 (23), 233506-233506-3, 2010
4362010
Thin-Film Deposition and Characterization of a Sn-Deficient Perovskite Derivative Cs2SnI6
B Saparov, JP Sun, W Meng, Z Xiao, HS Duan, O Gunawan, D Shin, ...
Chemistry of Materials 28 (7), 2315-2322, 2016
4262016
Low band gap liquid-processed CZTSe solar cell with 10.1% efficiency
S Bag, O Gunawan, T Gokmen, Y Zhu, TK Todorov, DB Mitzi
Energy & Environmental Science 5 (5), 7060-7065, 2012
4102012
Valley susceptibility of an interacting two-dimensional electron system
O Gunawan, YP Shkolnikov, K Vakili, T Gokmen, EP De Poortere, ...
Physical review letters 97 (18), 186404, 2006
3772006
Band alignment at the Cu2ZnSn (SxSe1− x) 4/CdS interface
R Haight, A Barkhouse, O Gunawan, B Shin, M Copel, M Hopstaken, ...
Applied Physics Letters 98 (25), 2011
3362011
Monolithic perovskite-CIGS tandem solar cells via in situ band gap engineering.
T Todorov, T Gershon, O Gunawan, YS Lee, C Sturdevant, LY Chang, ...
Advanced Energy Materials 5 (23), 2015
3182015
Photovoltaic Materials and Devices Based on the Alloyed Kesterite Absorber (AgxCu1–x)2ZnSnSe4
T Gershon, YS Lee, P Antunez, R Mankad, S Singh, D Bishop, ...
Advanced Energy Materials 6 (10), 1502468, 2016
3022016
Optical designs that improve the efficiency of Cu 2 ZnSn (S, Se) 4 solar cells
MT Winkler, W Wang, O Gunawan, HJ Hovel, TK Todorov, DB Mitzi
Energy & Environmental Science 7 (3), 1029-1036, 2014
2712014
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