采用高温固相法制备了CaLa4Si3O13:Eu3+红色荧光粉,研究了助熔剂总量、Li和B物质的量之比、烧成温度对发光性能的影响.以Eu3+的5D0-7F2发射强度为指标得出的最佳制备条件为:硼锂双助熔剂B和“物质的量之比为1∶1,总量为0.4mol· mol-,950℃预烧150 min,1150℃,240 min烧成.硼组分进入晶格置换硅,使晶胞参数a,c和晶胞体积V均逐渐减小,提高电/磁偶极跃迁强度比和总发光强度.助熔剂总量达到0.24 mol·mol-后,进入基质的硼趋于饱和.硼组分起到助熔剂和基质组分置换双重作用.
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