Optimization of sputtered ZnS buffer for Cu2ZnSnS4 thin film solar cells

Kim, Jongmin; Park, C.; Pawar, S. M.; Inamdar, Akbar I.; Jo, Yongcheol; Han, J.; Hong, JinPyo; Park, Young S.; Kim, D. -Y.; Jung, W.; Kim, Hyungsang; Im, Hyunsik

doi:10.1016/j.tsf.2014.07.024

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Optimization of sputtered ZnS buffer for Cu2ZnSnS4 thin film solar cells

Kim, Jongmin;
Park, C.;
Pawar, S. M.;
Inamdar, Akbar I.;
Jo, Yongcheol;
... Kim, D. -Y.;
외 6명

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초록

Cu2ZnSnS4 (CZTS) thin film solar cells with sputtered zinc sulfide (ZnS) buffer layers are fabricated. The effect of ZnS (buffer layer) film thicknesses along with a CZTS absorber layer prepared by sputtered metallic precursor film followed by sulfurization on the solar cell properties is investigated. The impact of the sputtering power on the structural, morphological, compositional and optical properties of the ZnS buffer layers is studied. The optimized ZnS buffer layer with a thickness of similar to 30 nm in CZTS based solar cell structure exhibits the best solar cell conversion efficiency of 2.11% with open-circuit voltage of 311 mV, short-circuit current density of 12.16 mA/cm(2) and fill factor of 0.55. (C) 2014 Elsevier B.V. All rights reserved.

키워드

Thin film solar cells; Zinc sulfide; Copper zinc tin sulfide; Buffer layer; Sputtering; OPTICAL-PROPERTIES

제목: Optimization of sputtered ZnS buffer for Cu2ZnSnS4 thin film solar cells

저자: Kim, Jongmin; Park, C.; Pawar, S. M.; Inamdar, Akbar I.; Jo, Yongcheol; Han, J.; Hong, JinPyo; Park, Young S.; Kim, D. -Y.; Jung, W.; Kim, Hyungsang; Im, Hyunsik

DOI: 10.1016/j.tsf.2014.07.024

발행일: 2014-09-01

유형: Article

저널명: Thin Solid Films

권: 566

페이지: 88 ~ 92