用均相沉淀法制备得到草酸钇铕前驱体,在前驱体的焙烧中用熔盐Na2CO3、S、NaCl或它们的组合辅助其于1000~1300℃下焙烧2h制备Y2O3:Eu3+红色荧光粉.实验结果分析发现复合熔盐有利于Y2O3:Eu3+发光强度的提高,在1300℃焙烧时其主峰强度比不加熔盐量时的高36%,且高出商用Y2O3:Eu3+红粉的11%.熔盐配比的调节还可有效调控了Y2O3:Eu3+粉体的颗粒尺寸.
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