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  • Title: Luminance behavior of Ce3+ doped ZnS nanostructures.
    Author: Shanmugam N, Cholan S, Kannadasan N, Sathishkumar K, Viruthagiri G.
    Journal: Spectrochim Acta A Mol Biomol Spectrosc; 2014 Jan 24; 118():557-63. PubMed ID: 24084485.
    Abstract:
    We report the synthesis and characterization of undoped and various levels of Ce(3+) doped ZnS nanocrystal. The structure and size of the products were studied by X-ray diffraction (XRD). The existence of functional groups was identified by Fourier transform infrared spectrometry (FT-IR). The UV-Visible measurements reveal that the synthesized products are blue shifted when compared with bulk phase of ZnS as a result of quantum confinement effect. The PL studies show an enhancement in the intensity of emission band in the UV region on increased Ce(3+) doping. The morphology of the products was evaluated by Field emission scanning electron microscope (FESEM) and High resolution transmission electron microscopy (FESEM). The presence of Ce(3+) was confirmed by Energy dispersive spectral analysis (EDS). The thermal stability of pure and doped products was analyzed by thermo gravimetric and differential thermal analysis (TG-DTA).
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