期刊
MATERIALS LETTERS
卷 242, 期 -, 页码 58-61出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2019.01.102
关键词
Cu2MgSnS4; Thin films; Zinc-blende; Optical properties; Electrical properties
资金
- National Natural Science Foundation of China [61774075, 11274135, 61505067]
- Science and Technology Development Project of Jilin Province [20170101142JC]
- Specialized Research Fund for the Doctoral Program of Higher Education [20130061130011]
- Ph.D. Programs Foundation of Ministry of Education of China [20120061120011]
- Science and Technology Project of Henan Province [182102210469]
- Nanyang Normal University [2018ZX002]
Cu2MgSnS4 thin films were prepared by sol-gel spin-coating route followed by sulfuration. The effects of the annealing temperature on structural, optical and electrical characteristics were investigated. All the annealed CMTS thin films show Cu-poor and slightly S-poor condition. X-ray diffraction and X-ray photoelectron spectroscopy results reveal the formation of zinc-blende structure CMTS thin films. The increase of sulfurization temperature improves the crystallinity and diminishes the bandgaps of CMTS films. The CMTS solar cell shows a better efficiency of 0.78% with the optimized temperature of 530 degrees C. (C) 2019 Elsevier B.V. All rights reserved.
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