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采用溶胶－ 凝胶法低温合成了Ｙ２Ｏ３ － ＳｉＯ２ ∶Ｅｕ３＋ ，Ｂｉ３＋ 发光体，研究了烧结温度、Ｅｕ３＋ 及Ｂｉ３＋ 浓度、Ｙ２ Ｏ３ 与ＳｉＯ２ 的配比对发光强度的影响。通过Ｘ射线粉末衍射、热重及差热分析，研究了由凝胶至发光晶体的转变，通过激发光谱和发光光谱的测试，讨论了材料的发光特性及Ｂｉ３＋ 对Ｅｕ３＋ 的敏化作用。
Y2O3 - SiO2: Eu3 + and Bi3 + phosphors were synthesized by sol - gel method at low temperature. The effects of sintering temperature, concentration of Eu3 + and Bi3 +, ratio of Y2O3 to SiO2 on luminescent intensity were studied. The transition from gel to luminescent crystal was studied by X-ray powder diffraction, TG and DTA, and the luminescence properties and the sensitization of Bi3 + to Eu3 + were discussed by excitation and emission spectroscopy.