DGIST Scholar: 양기정

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양기정 (Yang, Kee-Jeong)

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Department: Division of Energy & Environmental Technology

Affiliated Community: Division of Energy & Environmental Technology

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Issue Date	Title Author(s) Journal	View
2024-03	Enhancing the open-circuit voltage in narrow-bandgap CuInSe2 solar cells via local contact passivation with Al2O3 Jeon, Dong-Hwan ; Park, Si-Nae ; Lee, Jaebaek ; Kim, Young-Ill ; Yang, Kee-Jeong ; Kang, Jin-Kyu ; Kim, Dae-Hwan ; Sung, Shi-Joon ; Hwang, Dae-Kue Journal of Science: Advanced Materials and Devices, v.9, no.1, 2024-03	233
2024-03	Exploring the deposition pathway in the notch region of double-graded bandgap ACIGS solar cells Hoang, Van-Quy ; Jeon, Dong-Hwan ; Kim, Seong-Yeon ; Lee, Jaebaek ; Son, Dae-Ho ; Yang, Kee-Jeong ; Kang, Jin-Kyu ; Sung, Shi-Joon ; Hwang, Dae-Kue ; Kim, Dae-Hwan Journal of Science: Advanced Materials and Devices, v.9, no.1, 2024-03	217
2024-03	Vertical plane depth-resolved surface potential and carrier separation characteristics in flexible CZTSSe solar cells with over 12% efficiency Son, Dae-Ho ; Park, Ha Kyung ; Kim, Dae-Hwan ; Kang, Jin-Kyu ; Sung, Shi-Joon ; Hwang, Dae-Kue ; Lee, Jaebaek ; Jeon, Dong-Hwan ; Cho, Yunae ; Jo, William ; et al Carbon Energy, v.6, no.3, 2024-03	217
2023-12	Advance Supply of Ag and Ga-Se for Increased Backside Ga and Enhanced Cu(In,Ga)Se2 Solar Cell Efficiency Hoang, Van-Quy ; Jeon, Dong-Hwan ; Park, Ha Kyung ; Kim, Seong-Yeon ; Kim, Wook-Hyun ; Hwang, Dae-Kue ; Lee, Jaebaek ; Son, Dae-Ho ; Yang, Kee-Jeong ; Kang, Jin-Kyu ; et al ACS Applied Energy Materials, v.6, no.24, pp.12180 - 12189, 2023-12	205
2023-11	Improving open-circuit voltage deficit by interface passivation via Li treatment in Cu2ZnSn(S,Se)4 solar cells Lim, Geumha ; Park, Ha Kyung ; Kim, Wook-Hyun ; Kim, Seung-Hyun ; Yang, Kee-Jeong ; Kang, Jin-Kyu ; Kim, Dae-Hwan ; Jo, William Journal of Materials Chemistry A, v.11, no.46, pp.25555 - 25562, 2023-11	203
2023-08	Identifying the relationships between subsurface absorber defects and the characteristics of kesterite solar cells Son, Dae-Ho ; Jeon, Dong-Hwan ; Kim, Dae-Hwan ; Kang, Jin-Kyu ; Sung, Shi-Joon ; Lee, Jaebaek ; Lee, Taeseon ; Enkhbayar, Enkhjargal ; Kim, JunHo ; Yang, Kee-Jeong Carbon Energy, v.5, no.8, 2023-08	255
2023-01	Photo-excited carrier transport and secondary phases of Na-engineered kesterite flexible thin films Kim, Juran ; Park, Ha Kyung ; Cho, Yunae ; Kim, Sammi ; Yang, Kee-Jeong ; Kim, Dae-Hwan ; Kang, Jin-Kyu ; Jo, William Solar Energy Materials and Solar Cells, v.250, 2023-01	337
2022-11	Flexible kesterite thin-film solar cells under stress Park, H.K. ; Cho, Y. ; Kim, J. ; Kim, S. ; Kim, S. ; Yang, K.-J. ; Kim, D.-H. ; Kang, J.-K. ; Jo, W. npj Flexible Electronics, v.6, no.91, 2022-11	337
2022-06	Effect of Metal-Precursor Stacking Order on Volume-Defect Formation in CZTSSe Thin Film: Formation Mechanism of Blisters and Nanopores Kim, Se-Yun ; Kim, Seung-Hyun ; Son, Dae-Ho ; Yoo, Hyesun ; Kim, Seongyeon ; Kim, Sammi ; Kim, Young-Ill ; Park, Si-Nae ; Jeon, Dong-Hwan ; Lee, Jaebaek ; et al ACS Applied Materials & Interfaces, v.14, no.27, pp.30649 - 30657, 2022-06	396
2022-01	Facile growth of a Sb2Se3 nanorod array induced by a MoSe2 interlayer and its application in 3D p–n junction solar cells Park, Si-Nae ; Kim, Se-Yun ; Lee, Jaebaek ; Sung, Shi-Joon ; Yang, Kee-Jeong ; Kang, Jin-Kyu ; Kim, Dae-Hwan Materials Advances, v.3, no.2, pp.978 - 985, 2022-01	513
2021-11	Atomic layer deposition of ultrathin zno films for hybrid window layers for cu(Inx,ga1−x)se2 solar cells Lee, Jaebaek ; Jeon, Dong-Hwan ; Hwang, D.-K. ; Yang, Kee-Jeong ; Kang, Jin-Kyu ; Sung, Shi-Joon ; Park, Hyun-woong ; Kim, Dae-Hwan Nanomaterials, v.11, no.11, 2021-11	494
2021-09	Secondary Phase and Defects in Cu2ZnSnSe4 Solar Cells with Decreasing Absorber Layer Thickness Kim, Young-Ill ; Son, Dae-Ho ; Lee, Jaebaek ; Sung, Shi-Joon ; Kang, Jin-Kyu ; Kim, Dae-Hwan ; Yang, Kee-Jeong Korea Photovoltaic Society, 2021-09	492
2021-07	Sodium Effects on the Diffusion, Phase, and Defect Characteristics of Kesterite Solar Cells and Flexible Cu2ZnSn(S,Se)(4) with Greater than 11% Efficiency Yang, Kee-Jeong ; Kim, Sammi ; Kim, Se-Yun ; Son, Dae-Ho ; Lee, Jaebaek ; Kim, Young-Ill ; Sung, Shi-Joon ; Kim, Dae-Hwan ; Enkhbat, Temujin ; Kim, JunHo ; et al Advanced Functional Materials, v.31, no.29, pp.2102238, 2021-07	570
2020-12	Approach to Transparent Photovoltaics Based on Wide Band Gap Sb2S3 Absorber Layers and Optics-Based Device Optimization Lee, Sang-Ju ; Sung, Shi-Joon ; Yang, Kee-Jeong ; Kang, Jin-Kyu ; Kim, Jun Yong ; Do, Yun Seon ; Kim, Dae-Hwan Amer Chemical Soc, 2020-12	539
2020-10	CZTSSe Formation Mechanism Using a Cu/Zn/SnS Stacked Precursor: Origin of Triple CZTSSe Layer Formation Kim, Se-Yun ; Kim, Seung-Hyun ; Son, Dae-Ho ; Kim, Young-Il ; Kim, Sammi ; Sung, Shi-Joon ; Yang, Kee-Jeong ; Kim, Dae-Hwan ; Kang, Jin-Kyu ACS Applied Materials & Interfaces, v.12, no.41, pp.46037 - 46044, 2020-10	564
2020-05	Carrier transport and surface potential over phase variations in the surface and bulk of highly efficient Cu2ZnSn(S,Se)(4) solar cells Kim, Juran ; Kim, Jayeong ; Ko, Eunji ; Yoon, Seokhyun ; Sim, Jun-Hyoung ; Yang, Kee-Jeong ; Kim, Dae-Hwan ; Kang, Jin-Kyu ; Song, Yu Jin ; Jeon, Chan-Wook ; et al Progress in Photovoltaics, v.28, no.5, pp.382 - 392, 2020-05	753
2020-04	Effect of Cu-Sn-Se Liquid Phase on Grain Growth and Efficiency of CZTSSe Solar Cells Kim, Se-Yun ; Son, Dae-Ho ; Kim, Seung-Hyun ; Kim, Young-Il ; Kim, Sammi ; Ahn, Kwangseok ; Yang, Kee-Jeong ; Kang, Jin-Kyu ; Kim, Dae-Hwan Advanced Energy Materials, v.10, no.14, pp.1903173, 2020-04	733
2020-01	Self-alignment of bottom CZTSSe by patterning of an Al2O3 intermediate layer Hong Sanghun ; Kim, Se-Yun ; Son, Dae-Ho ; Kim, Seung-Hyun ; Kim, Young-Ill ; Yang, Kee-Jeong ; Heo Young-Woo ; Kang, Jin-Kyu ; Kim, Dae-Hwan Nanomaterials, v.10, no.1, pp.43, 2020-01	685
2019-12	Controlled synthesis of (Hk 1) preferentially oriented Sb2Se3 rod arrays by co-evaporation for photovoltaic applications Park, Si-Nae ; Kim, Se-Yun ; Lee, Sang-Ju ; Sung, Shi-Joon ; Yang, Kee-Jeong ; Kang, Jin-Kyu ; Kim, Dae-Hwan Royal Society of Chemistry, 2019-12	588
2019-11	Effect of solid-H2S gas reactions on CZTSSe thin film growth and photovoltaic properties of a 12.62% efficiency device Son, Dae-Ho ; Kim, Seung-Hyun ; Kim, Se-Yun ; Kim, Young-Ill ; Sim, Jun-Hyung ; Park, Si-Nae ; Jeon, Dong-Hwan ; Hwang, Dae-Kue ; Sung, Shi-Joon ; Kang, Jin-Kyu ; et al Royal Society of Chemistry, 2019-11	343