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以Na2SO4-K2SO4为熔盐,采用水热均匀沉淀一熔盐煅烧法制备了YAG:Ce33+黄色荧光粉,应用XRD、SEM、荧光分光光度计等测试手段研究了熔盐辅助煅烧对粉体结构、形貌和发光性能的影响.结果表明,以尿素为沉淀剂,采用水热均匀沉淀法制备的前驱体,经Na2SO4-K2SO4熔盐辅助煅烧,900℃时已完全转变为YAG相,与固相法相比,YAG相的完全转变温度降低了600℃,与前躯体直接煅烧相比,YAG相的完全转变温度降低了300℃,荧光粉的发光强度提高了2.4倍.

参考文献

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