Journal
SUPERLATTICES AND MICROSTRUCTURES
Volume 103, Issue -, Pages 335-342Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.spmi.2017.02.003
Keywords
Cu2ZnSnS4; Thin film; Spray; Raman; Optical properties
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Funding
- Science and Engineering Research Board, Department of Science and Technology, New Delhi, India [SB/FTP/PS-079/2014]
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Cu2ZnSnS4 (CZTS) thin films were deposited viva spray pyrolysis technique at different substrate temperature. The effect of substrate temperature on the structural, morphological, compositional and optical properties was reported. The X-ray diffraction and Raman analysis revealed that prepared CZTS thin film show kesterite phase without any secondary phases. Moreover, these analyses indicated the internal compressive stress relaxed with substrate temperature for all CZTS thin films. The homogeneous nature of CZTS thin films were observed from surface morphology and chemical composition study. The optical study provided good optical absorption (10(4) cm(-1)) in the visible region and band gap energy was decreased and found quite close to the optimum value of about 1.57 eV-1.49 eV for solar cell application. (C) 2017 Elsevier Ltd. All rights reserved.
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