Abstract
Cu2ZnSn(SxSe1-x)4 (CZTSSe) thin films are prepared by selenizing a single-step electrodeposited Cu-Zn-Sn-S precursor. The effect of the selenium (Se) vaporization temperature on the properties of CZTSSe thin films is systematically investigated. The position of the (1 1 2) peak is systematically shifted to lower 2θ values when the Se vaporization temperature increases. The Raman spectra of CZTSSe films show bimodal behavior. The microstructure and film thickness significantly improve with increasing Se vaporization temperature. The increased Se incorporation in CZTSSe films with the increase of the Se vaporization temperature is demonstrated using a compositional analysis. The band gap energy of CZTSSe thin films is tuned in the range of 1.40-1.08 eV by varying the Se vaporization temperature.
Original language | English (US) |
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Pages (from-to) | 178-182 |
Number of pages | 5 |
Journal | Journal of Alloys and Compounds |
Volume | 631 |
DOIs | |
State | Published - May 15 2015 |
Bibliographical note
Publisher Copyright:© 2015 Elsevier B.V. All rights reserved.
Keywords
- CuZnSn(S,Se) (CZTSSe) thin films
- CuZnSnS (CZTS) thin films
- Single-step electrodeposition
- Thin-film solar cells