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Optimization of sputtered ZnS buffer for Cu2ZnSnS4 thin film solar cells
- Authors
- Kim, Jongmin; Park, Chang Seo; Pawar, Sambhaji; Inamdar, Akbar I.; Jo, Yongcheol; Han, Jaeseok; Hong, JinPyo; Park, Youngsin; Kim, Deuk Yong; Jung, Woong; Kim, Hyungsang; Im, Hyunsik
- Issue Date
- Sep-2014
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Thin film solar cells; Zinc sulfide; Copper zinc tin sulfide; Buffer layer; Sputtering
- Citation
- THIN SOLID FILMS, v.566, pp.88 - 92
- Indexed
- SCIE
SCOPUS
- Journal Title
- THIN SOLID FILMS
- Volume
- 566
- Start Page
- 88
- End Page
- 92
- ISSN
- 0040-6090
- Abstract
- 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.
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Related Researcher
- Hong, Jin Pyo
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)