CuIn1-xGaxSe2 thin-film absorber layers for solar photovoltaics fabricated by two-stage pulsed current electrodeposition

Mandati, S and Bulusu, V S and Dey, Suhash Ranjan and Joshi, S V (2014) CuIn1-xGaxSe2 thin-film absorber layers for solar photovoltaics fabricated by two-stage pulsed current electrodeposition. Materials Letters, 118 (1). pp. 158-160. ISSN 0167-577X

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Single phase polycrystalline Copper Indium Gallium Diselenide (CIGS) thin-films for solar photovoltaic applications were fabricated by an economical two-stage method of Pulsed Current (PC) electrodeposition. Cu, Ga and Se were first co-deposited onto a Mo foil followed by deposition of In. The as-deposited films were annealed in Argon atmosphere at 550 C for 30 min and were further characterized to study their morphology, phase constitution, and optical absorption. The results revealed that the films have a compact morphology and are comprised of a crystalline chalcopyrite single phase CIGS. The bandgap of the CIGS films was found to be 1.27 eV from absorption studies. The photoelectrochemical studies revealed the p-type nature of CIGS films with improved photocurrent over that obtained for one-stage PC electrodeposited CIGS thin-films

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IITH Creators:
IITH CreatorsORCiD
Dey, Suhash Ranjan
Item Type: Article
Additional Information: Partial support under the U.S.–India Partnership to Advance Clean Energy Research (PACE-R) for the Solar Energy Institute for India and the United States (SERIIUS), funded jointly by the U.S. Department of Energy (under Subcontract DE-AC36-08GO28308 to the National Renewable Energy Laboratory, Golden, Colorado) and the Government of India, through the Department of Science and Technology (under Subcontract IUSSTF/JCERDC-SERIIUS/2012) is gratefully acknowledged.
Uncontrolled Keywords: CIGS; Electrodeposition; Pulsed current; Solar energy materials; Thin films; Two-stage
Subjects: Materials Engineering > Materials engineering
Divisions: Department of Material Science Engineering
Depositing User: Team Library
Date Deposited: 26 Dec 2014 05:35
Last Modified: 07 Sep 2017 08:58
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