以柠檬酸为络合剂,采用溶胶-凝胶法成功制备了二价铕离子作为发光中心离子的BaSiO3:0.05Eu2+荧光粉.重点研究了不同温度制备样品的物相变化过程和反应规律,并对样品发光性能进行了表征和分析.研究表明,在1100℃可合成单相性良好的BaSiO3:0.05Eu2+荧光粉,激发谱为峰位在350nm的宽带谱;发射谱为主峰位于502nm的宽带谱,呈现为高亮度的蓝绿光发射.本研究报道的荧光粉能被紫外LED芯片有效激发,可用作白光LED荧光粉.
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