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ZnO-CdS Powder Nanocomposite: Synthesis, Structural and Optical Characterization

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Author(s): Dinesh Saini | R.K. Duchaniya

Journal: Journal of Nano- and Electronic Physics
ISSN 2077-6772

Volume: 5;
Issue: 3;
Start page: 03015-1;
Date: 2013;
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Keywords: Mechanical alloying | ZnO-CdS powder nanocomposite | X-ray diffraction | UV-Vis | Photoluminescence | FTI

ABSTRACT
A simple mechanical alloying technique for the synthesis of ZnO-CdS powder nanocomposite is reported. Structural and optical properties of ZnO-CdS powder nanocomposite have been evaluated by suitable characterization techniques. The X-ray diffraction spectrum contains a series of peaks corresponding to reflections from various sets of lattice planes of hexagonal ZnO as well as hexagonal CdS. In UV-Vis absorption spectra, two different absorption peaks were observed. The room temperature photoluminescence spectrum of the ZnO-CdS powder nanocomposites has two emission bands: an ultraviolet emission peak at 365 nm and a green emission around 510 nm. FTIR spectroscopy confirmed the presence of Zn-O bond and Cd-S bond.
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