Comparative Studies of CdZnS Thin Films at Low Zinc Content Prepared by Vacuum Evaporation and CBD

Cai Juan Tian; Rong Zhe Tang; Song Bai Hu; Wei Li; Liang Huan Feng; Jing Quan Zhang; Li Li Wu

doi:10.4028/www.scientific.net/AMR.225-226.784

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 225-226Comparative Studies of CdZnS Thin Films at Low...

Comparative Studies of CdZnS Thin Films at Low Zinc Content Prepared by Vacuum Evaporation and CBD

Abstract:

Cd_1−xZn_xS thin films at low Zn content were prepared both by chemical bath deposition (CBD) and vacuum co-evaporation. The X-ray fluorescence (XRF) and X-ray photoelectron spectroscopy (XPS) analysis were performed to determine the composition of the films, while the structural properties were investigated by X-ray diffraction (XRD). As a probable window layer, the optical band gaps of Cd_1−xZn_xS thin films prepared by the dry and wet process were calculated. Finally, the surface morphologies of the thin films were survey by scanning electron microscopy (SEM) and atomic force microscopy (AFM).