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      • KCI등재

        Structural, Morphological and Optical Properties of Sprayed Nanocrystalline Thin Films of Cd1-xZnxS Solid Solution

        Urvashi Verma,Vikas Thakur,Poolla Rajaram,A. K. Shrivastava 대한금속·재료학회 2015 ELECTRONIC MATERIALS LETTERS Vol.11 No.1

        A series of nanocrystalline thin films of cadmium zinc sulphide(Cd1-xZnxS) solid solution were deposited on glass substrates usingspray pyrolysis. Cadmium chloride (CdCl2), zinc chloride (ZnCl2) andthiourea (NH2CSNH2) were used as the sources of Cd, Zn and Srespectively. The films were characterized using structural, morphologicaland optical techniques. X-ray diffraction (XRD) studies show thatthe films of Cd1-xZnxS are polycrystalline and single phase having thewurtzite structure. The crystallites in the thin films of pure CdS possesspreferred crystallographic orientation along the <002> direction. Thepreferred orientation of crystallites in the Cd1-xZnxS films changes from<002> to <101> with increase in Zn concentration. The latticeparameters of Cd1-xZnxS decrease with increase in Zn concentration. Scanning electron microscopy (SEM) and atomic force microscopy(AFM) studies show that the surfaces of the films are smooth and areuniformly covered with nanoparticles. Energy dispersive analysis of xrays(EDAX) results reveal that the grown films have goodstoichiometry. Optical transmission spectra confirm the good qualityof the Cd1-xZnxS films.

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