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Proceedings Paper

Acidic chemical bath deposition of Cd1-xZnxS thin films
Author(s): Meng Cao; Yan Sun; Jie Wu; Xin Chen; Ning Dai
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Paper Abstract

Cd1-xZnxS ternary material has a wider band gap than CdS which makes it a better window material for use in CdTe solar cells. Typical chemical bath deposition (CBD) processes for sulfides employ an alkaline medium containing the chalcogenide source and the metal ion. In this work, Cd1-xZnxS thin films have been deposited from acidic solution. The composition, surface morphology and structural properties of the as-deposited and annealed Cd1-xZnxS thin films were studied using energy dispersive X-ray analysis (EDX), scanning electron microscopy (SEM) and X-ray diffraction (XRD) techniques. The band gap of the as-deposited Cd1-xZnxS thin films varied from 2.38 to 2.44 eV, whereas in the annealed films varied from 2.36 to 2.42 eV. The decreased band gaps of the Cd1-xZnxS thin films were due to the improved crystalline nature of the material.

Paper Details

Date Published: 22 October 2010
PDF: 5 pages
Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 76583B (22 October 2010); doi: 10.1117/12.867717
Show Author Affiliations
Meng Cao, Shanghai Institute of Technical Physics (China)
Yan Sun, Shanghai Institute of Technical Physics (China)
Jie Wu, Shanghai Institute of Technical Physics (China)
Xin Chen, Shanghai Institute of Technical Physics (China)
Ning Dai, Shanghai Institute of Technical Physics (China)


Published in SPIE Proceedings Vol. 7658:
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology
Yadong Jiang; Bernard Kippelen; Junsheng Yu, Editor(s)

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