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A NOVEL METHOD FOR PRODUCING NANOSTRUCTURED CdSe THIN FILM

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  • İSHAK AFŞIN KARİPER

    (Education Faculty, Erciyes University, Kayseri, Turkey2Erciyes Teknopark, No. 41, Building 1, Kayseri, Turkey)

Abstract

In this study, we produced Cadmium selenide (CdSe) crystalline thin film on commercial glass substrates via chemical bath deposition. Transmittance, absorbance, refractive index and optical bandgap of thin films were examined by UV/vis spectrum. XRD revealed a hexagonal form. The pH level of the baths in which CdSe thin films were deposited varied and optical and structural properties of the resulting thin films were analyzed. SEM analysis was used for surface analysis. Some features of the films were supposed to change with pH and these properties were investigated by testing different pH levels, which were 8, 9, 10 and 11. The variation of the optical bandgap changed between 1.60 and 1.75eV, according to the pH of deposition bath. Film thickness varied from 60nm to 93nm, with the variation of deposition bath’s pH. Moreover, it has been found that refractive index values were also changed with film thickness; these were calculated as 2.28, 2.19, 2.22 and 2.36 for 93.27, 60.97, 61.09 and 60.18nm, respectively. Dielectric constant also varied with refractive index, taking values 0.85, 0.75, 0.78, 0.93 for refractive indexes 2.28, 2.19, 2.22 and 2.36, respectively.

Suggested Citation

  • İshak Afşin Kari̇per, 2020. "A NOVEL METHOD FOR PRODUCING NANOSTRUCTURED CdSe THIN FILM," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 27(07), pages 1-8, July.
    • Handle: RePEc:wsi:srlxxx:v:27:y:2020:i:07:n:s0218625x19501750
    DOI: 10.1142/S0218625X19501750
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