Oki Gunawan
Oki Gunawan
Research Staff Member IBM, Princeton University
Verified email at us.ibm.com - Homepage
Title
Cited by
Cited by
Year
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), 1301465, 2014
23682014
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
11672011
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
11222013
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
10622013
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
8202012
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
673*2010
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
5532012
Band tailing and efficiency limitation in kesterite solar cells
T Gokmen, O Gunawan, TK Todorov, DB Mitzi
Applied Physics Letters 103 (10), 103506, 2013
4612013
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, ...
Advanced Energy Materials 5 (7), 1401372, 2015
3972015
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
3972013
High Efficiency Cu2ZnSn(S,Se)4 Solar Cells by Applying a Double In2S3/CdS Emitter
J Kim, H Hiroi, TK Todorov, O Gunawan, M Kuwahara, T Gokmen, D Nair, ...
Advanced Materials 26 (44), 7427-7431, 2014
3702014
Loss mechanisms in hydrazine-processed CZTSSSe solar cells
O Gunawan, TK Todorov, DB Mitzi
Applied Physics Letters 97 (23), 233506-233506-3, 2010
3122010
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
3092012
Band alignment at the interface
R Haight, A Barkhouse, O Gunawan, B Shin, M Copel, M Hopstaken, ...
Applied Physics Letters 98 (25), 253502, 2011
2562011
Characteristics of vapor–liquid–solid grown silicon nanowire solar cells
O Gunawan, S Guha
Solar Energy Materials and Solar Cells 93 (8), 1388-1393, 2009
2302009
12% Efficiency CuIn(Se,S)2 Photovoltaic Device Prepared Using a Hydrazine Solution Process
W Liu, DB Mitzi, M Yuan, AJ Kellock, SJ Chey, O Gunawan
Chemistry of Materials 22 (3), 1010-1014, 2010
2292010
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
2132014
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
2082006
Electronic properties of the Cu2ZnSn(Se,S)4 absorber layer in solar cells as revealed by admittance spectroscopy and related methods
O Gunawan, T Gokmen, CW Warren, JD Cohen, TK Todorov, ...
Applied Physics Letters 100 (25), 253905, 2012
1742012
Prospects and performance limitations for Cu–Zn–Sn–S–Se photovoltaic technology
DB Mitzi, O Gunawan, TK Todorov, DAR Barkhouse
Philosophical Transactions of the Royal Society A: Mathematical, Physical …, 2013
1642013
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