以Al(NO3)3·9H2O,Ce(NO3)3·6H2O和Y2O3为原料,用十六烷基三甲基溴化铵(CTAB)作为分散剂,通过碳酸盐共沉淀法制备了铈掺杂钇铝石榴石(YAG:Ce)荧光粉体.采用TG/DTA,FT-IR,XRD,TEM等测试方法对所制备的粉体进行了表征,通过激发-发射光谱分析测定了其发光性能.结果表明:在分散剂存在的情况下,煅烧温度为900℃即可得到纯相YAG,而无中间相YAM,YAH,YAP的出现；所得荧光粉体分散性良好,颗粒平均尺寸约为30nm,在465nm处获得最大激发强度,相应的发射光谱是峰值为530nm的宽带发射.
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