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CBD‐Cd 1− x Zn x S thin films and their application in CdTe solar cells

2004; Wiley; Volume: 241; Issue: 3 Linguagem: Inglês

10.1002/pssb.200304218

1521-3951

Jie Zhou, Xiaoyan Wu, Glenn Teeter, Bobby To, Yanfa Yan, R. G. Dhere, T. A. Gessert,

Semiconductor materials and interfaces

Abstract Composition, optical properties, structure properties, and surface morphology of thin films of Cd 1− x Zn x S ( x ≤ 10%) prepared by chemical bath deposition (CBD) are reported. The best cell efficiency was 15.7%. It used a Cd 1− x Zn x S window layer, was confirmed by NREL ( V oc = 840.1 mV, J sc = 24.81 mA/cm 2 , and FF = 75.55%), and had a CTO/ZTO/Cd 0.92 Zn 0.08 S/CdTe cell structure. The use of low zinc concentration in the Cd 1− x Zn x S layer and interdiffusion between Cd 1− x Zn x S and CdTe layers were assumed to be the reasons for maintaining high V oc and FF. (© 2004 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)