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Preparation and characterization of Cu2ZnSn(S,Se)4 thin film as photovoltaic absorber material for solar cells.
- Source :
-
Materials Letters . Oct2013, Vol. 108, p62-64. 3p. - Publication Year :
- 2013
-
Abstract
- Cu2ZnSn(S,Se)4 (CZTSSe) thin films were successfully prepared by selenization and sulfurization of Cu2ZnSnS4 (CZTS) nanocrystals synthesized by a single-step process with a new oleamide-based solution. The structure and properties of the CZTSSe thin films were characterized. The results indicated that the CZTSSe films had formed a single-phase structure at 450°C, and showed rich Cu, Sn and poor Zn compositions, and the Se element in CZTSSe increased with the increase of the annealing temperature. The films were all p-type, and that annealed at 500°C owned lower resistivity. In the visible light region, the films had strong optical absorption and the observed band gaps are 1.36eV and 1.32eV at 450°C and 500°C, respectively. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 0167577X
- Volume :
- 108
- Database :
- Academic Search Index
- Journal :
- Materials Letters
- Publication Type :
- Academic Journal
- Accession number :
- 90006237
- Full Text :
- https://doi.org/10.1016/j.matlet.2013.06.091