Abstract
A kind of novel composite nanophosphor consisting of corroded SiO2 and La2MoO6:0.14Eu3+ (abbreviated as LMO:0.14Eu3+) had been successfully synthesized by hydrothermal approach followed by calcination. The mic-morphology of the composite material was observed by FE-SEM. The positive effect of corroded SiO2 on the luminescence performance of phosphor had been studied in detail. The SiO2 corroded by different concentrations of NaOH changed the diffuse reflection path of excitation light and the stacked structure of nanophosphor. Under the excitation of 465 nm, the excitation light was more continuously scattered in SiO2-LMO:0.14Eu3+ nanophosphor than in LMO:0.14Eu3+ nanophosphor, which caused more activator ions Eu3+ were successfully activated to enhance the luminescence intensity and color purity. The results suggest that adding corroded SiO2 to improve optical conversion properties of phosphors might become a relatively effective method.
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