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Yun Seog Lee
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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
5132015
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
4462014
Atomic Layer Deposited Gallium Oxide Buffer Layer Enables 1.2 V Open‐Circuit Voltage in Cuprous Oxide Solar Cells
YS Lee, D Chua, RE Brandt, SC Siah, JV Li, JP Mailoa, SW Lee, ...
Advanced Materials 26 (27), 4704-4710, 2014
2582014
3.88% efficient tin sulfide solar cells using congruent thermal evaporation
V Steinmann, R Jaramillo, K Hartman, R Chakraborty, RE Brandt, ...
Advanced Materials 26 (44), 7488-7492, 2014
2492014
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
2302015
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
2222016
Ultrathin amorphous zinc-tin-oxide buffer layer for enhancing heterojunction interface quality in metal-oxide solar cells
YS Lee, J Heo, SC Siah, JP Mailoa, RE Brandt, SB Kim, RG Gordon, ...
Energy & Environmental Science 6 (7), 2112-2118, 2013
1902013
Improved Cu2O‐Based Solar Cells Using Atomic Layer Deposition to Control the Cu Oxidation State at the p‐n Junction
SW Lee, YS Lee, J Heo, SC Siah, D Chua, RE Brandt, SB Kim, JP Mailoa, ...
Advanced Energy Materials 4 (11), 1301916, 2014
1712014
Hall mobility of cuprous oxide thin films deposited by reactive direct-current magnetron sputtering
YS Lee, MT Winkler, SC Siah, R Brandt, T Buonassisi
Applied Physics Letters 98 (19), 192115, 2011
1582011
Nitrogen-doped cuprous oxide as a p-type hole-transporting layer in thin-film solar cells
YS Lee, J Heo, MT Winkler, SC Siah, SB Kim, RG Gordon, T Buonassisi
Journal of Materials Chemistry A 1, 15416-15422, 2013
1142013
Photovoltaic Device with over 5% Efficiency Based on an n-Type Ag2ZnSnSe4 Absorber
T Gershon, K Sardashti, O Gunawan, R Mankad, S Singh, YS Lee, JA Ott, ...
Advanced Energy Materials 6 (22), 1601182, 2016
952016
Phase transition-induced band edge engineering of BiVO4 to split pure water under visible light
WJ Jo, HJ Kang, KJ Kong, YS Lee, H Park, Y Lee, T Buonassisi, ...
Proceedings of the National Academy of Sciences 112 (45), 13774-13778, 2015
932015
Ag2ZnSn(S,Se)4: A highly promising absorber for thin film photovoltaics
E Chagarov, K Sardashti, AC Kummel, YS Lee, R Haight, TS Gershon
The Journal of Chemical Physics 144 (10), 104704, 2016
912016
Band offsets of n-type electron-selective contacts on cuprous oxide (Cu2O) for photovoltaics
RE Brandt, M Young, HH Park, A Dameron, D Chua, YS Lee, G Teeter, ...
Applied Physics Letters 105 (26), 263901, 2014
902014
High photocurrent in silicon photoanodes catalyzed by iron oxide thin films for water oxidation
K Jun, YS Lee, T Buonassisi, JM Jacobson
Angewandte Chemie 124 (2), 438-442, 2012
862012
Atomic Layer Deposited Aluminum Oxide for Interface Passivation of Cu2ZnSn(S,Se)4 Thin-Film Solar Cells
YS Lee, T Gershon, TK Todorov, W Wang, MT Winkler, M Hopstaken, ...
Advanced Energy Materials 6 (12), 1600198, 2016
822016
Ultrathin high band gap solar cells with improved efficiencies from the world’s oldest photovoltaic material
TK Todorov, S Singh, DM Bishop, O Gunawan, YS Lee, TS Gershon, ...
Nature Communications 8, 682, 2017
782017
The impact of sodium on the sub-bandgap states in CZTSe and CZTS
T Gershon, YS Lee, R Mankad, O Gunawan, T Gokmen, D Bishop, ...
Applied Physics Letters 106 (12), 123905, 2015
602015
Atomic-Scale Observation of Oxygen Substitution and Its Correlation with Hole-Transport Barriers in Cu2ZnSnSe4 Thin-Film Solar Cells
JH Kim, SY Choi, M Choi, T Gershon, YS Lee, W Wang, B Shin, SY Chung
Advanced Energy Materials 6 (6), 1501902, 2016
582016
Materials perspectives for next-generation low-cost tandem solar cells
TK Todorov, DM Bishop, YS Lee
Solar Energy Materials and Solar Cells 180, 350-357, 2018
572018
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