Abstract

This paper presents the nonaqueous electrodeposition and characterisation of Cd x Hg 1− x Te films. Cyclic voltammetry and photovoltammetry were used to identify the potential for Cd x Hg 1− x Te deposition. Film composition and structure were analysed using XPS and XRD. Compositional analysis suggests replacement of some cadmium by mercury in the Cd x Hg 1− x Te films. Moreover, the incorporation of mercury was also found to promote preferential orientation of (111) plane. Absorbance studies indicated a decrease in band gap from 1.47 eV for CdTe to 1.40 eV for Cd 0.97Hg 0.03Te.

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