Open Access

Structural and Photo-electrochemical (PEC) Cell Properties of Cd1-x Znx Se Films

Suthan Kissinger suthanjk@gmail.com
Department of General Studies, Physics Group, Jubail University College, Royal Commission in Jubail, Saudi Arabia


J. Environ. Nanotechnol., Volume 9, No 1 (2020) pp. 05-10

https://doi.org/10.13074/jent.2020.03.201392

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Abstract

In the present work, cadmium zinc selenide ( ) ternary alloy compounds were prepared on glass substrates for various concentrations by Electron beam evaporation method (PVD: EBE), under a pressure of 1 x 10-5 mbar. Structural, spectral response and photo-electrochemical properties of  films have been studied. Structural studies by X-ray diffractogram (XRD) revealed the polycrystalline nature of the as-prepared films. Full Width Half Maximum (FWHM) value was observed from the XRD pattern; the same was used to find the microstructure properties of the films. XRD characterization of the films indicated hexagonal structure with strong preferential orientation of the crystallites along (0 0 2) direction. The normalized spectral response curve has shown that the peaks were shifted to higher wavelength side with incorporation of higher zinc content into the CdSe lattice. The analysis of I-V curve for Cd0.8Zn0.2Se films has given the highest values for VOC, ISC, FF and h%. Conversion efficiency was continuously decreasing from 4.5 to 1.93 with increasing zinc content from 0.2 to 0.8.

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