采用分步滴定沉淀法在室温下制备Y3-xCexAl5O12荧光粉,采用0.1 mol/L的碳酸氢铵和氨水做为沉淀剂,将其分步滴入金属盐离子混合液中.研究了pH、助熔剂浓度、溶剂等对荧光粉发光性能的影响.结果表明,Ce作为激活中心,最佳掺入壁为0.06,pH =8时制备出的样品发光性能最优,采用4％的氟化钠荧光粉强度最高,采用80％的乙醇代替水制备的荧光粉发光性能最好,制成的荧光粉粒径为15μm左右.
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