Abstract
By choosing zinc acetate dehydrate (Zn(CH3COO)2·2H2O) and ammonium metavanadate (NH4VO3) as starting materials, we succeeded in fabricating Zn3V2O8 phase suitable for broad light emission by sol–gel process. X-ray diffraction (XRD), scanning electron microscope, photoluminescence (PL) and PL quantum yield (PL-QY) measurements have been performed for analyzing the relation between crystallographic and light emission characteristics. The PL-QY is determined by both the crystalline phase purity of the Zn3V2O8 phase defined by XRD patterns and the crystalline size. With optimizing the sintering condition at a slightly Zn-rich side, a pure Zn3V2O8 phase with enough large crystalline size was obtained with the PL-QY value of 52 %, which was higher than our previously obtained value by solid state reaction.
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Li, T., Honda, Z., Fukuda, T. et al. Fabrication and characterization of Zn3V2O8 phosphor by sol–gel process. J Sol-Gel Sci Technol 66, 225–230 (2013). https://doi.org/10.1007/s10971-013-2997-6
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DOI: https://doi.org/10.1007/s10971-013-2997-6