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2019
A simple and robust route toward flexible CIGS photovoltaic devices on polymer substrates: Atomic level microstructural analysis and local opto-electr…
Kihwan Kim, Juran Kim, Myeng Gil Gang, Se-Ho Kim, Soomin Song, Yunae Cho, Donghyeop Shin, Young-Joo Eo, Inyoung Jeong, Seung Kyu Ahn, Ara Cho, Jayeong Kim, Seokhyun Yoon, Pyuck-Pa Choi, William Jo, Jin Hyeok Kim, Jihye Gwak, Jae HoYun
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2019
Passivation of deep-level defects by cesium fluoride post-deposition treatment for improved device performance of Cu (In, Ga) Se2 solar cells
Hojin Lee, Yuseong Jang, Sung-Wook Nam, Chanwon Jung, Pyuck-Pa Choi, Jihye Gwak, Jae Ho Yun, Kihwan Kim, Byungha Shin
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2018
Robust nanoscale contact of silver nanowire electrodes to semiconductors to achieve high performance chalcogenide thin film solar cells
Sang yeob Lee, Jun Su Lee, Jiseong Jang, Ki-Ha Hong, Doh-Kwon Lee, Soomin Song, Kihwan Kim, Young-Joo Eo, Jae Ho Yun, Jihye Gwak, Choong-Heui Chung
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2018
Performance and Uniformity Improvement in Ultrathin Cu (In, Ga) Se2 Solar Cells with a WO x Nanointerlayer at the Absorber/Transparent Back-Contact In…
Muhammad Saifullah, Shafket Rasool, SeJin Ahn, Kihwan Kim, Jun-Sik Cho, Jinsu Yoo, Won Suk Shin, Jae Ho Yun, Joo Hyung Park
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2018
Effect of crystal orientation and conduction band grading of absorber on efficiency of Cu (In, Ga) Se2 solar cells grown on flexible polyimide foil at…
Seong Yeon Kim, Hyesun Yoo, Tanka Raj Rana, Temujin Enkhbat, Gyuho Han, Jun Ho Kim, Soomin Song, Kihwan Kim, Jihye Gwak, YoungJu Eo, Jae Ho Yun
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2018
Insertion of the AGS layer at the CIGSe/ITO interface: A way to reduce the formation of the GaOx interfacial phase in CIGSe solar cells
Muhammad Saifullah, Kihwan Kim, Rauf Shahzad, Jihye Gwak, Jun-Sik Cho, Jin-Su Yoo, Jae Ho Yun, Joo Hyung Park
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2018
Performance of CZTSSe thin film solar cells fabricated using a sulfo-selenization process: Influence of the Cu composition
R.B.V.Chalapathy, Myeng Gil Gang, Chang Woo Hong, Ji Hun Kim, Jun Sun Jang, Jae Ho Yun, Jin Hyeok Kim
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2018
Highly efficient Ag-alloyed Cu (In, Ga) Se2 solar cells with wide bandgaps and their application to chalcopyrite-based tandem solar cells
Kihwan Kim, Seung Kyu Ahn, Jang Hoon Choi, Jinsoo Yoo, Young-Joo Eo, Jun-Sik Cho, Ara Cho, Jihye Gwak, Soomin Song, Dae-Hyung Cho, Yong-Duck Chung, Jae Ho Yun
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2018
Increase in conversion efficiency of above 14% in Cu (In, Ga) 3Se5 (β-CIGS) solar cells by Na2S incorporation through the surface of β–CIGS film
Ji Hye Kim, Seung Tae Kim, Liudmila Larina, Byung Tae Ahn. KiHwan Kim, Jae Ho Yun
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2017
A Cd-reduced hybrid buffer layer of CdS/Zn (O, S) for environmentally friendly CIGS solar cells
Tanka Raj Rana, SeongYeon Kim, JunHo Kim, Kihwan Kim and Jae Ho Yun