白光LED技术对于合理利用能源、缓解能源危机和绿色照明具有重要意义.文章综述了近年来用于高效蓝光LED激发形成白光的 YAG∶Ce3+荧光粉合成工艺研究的新进展及国内外发展现状,对高温固相反应法、溶胶-凝胶法、喷雾热解法、共沉淀法等方法优缺点进行了综合比较,并探讨了YAG∶Ce3+荧光粉在应用方面有待于提高的地方.对影响荧光粉的发光效率和转换效率的后处理工艺、粒度分布、发光性能各种因素进行了分析,并对今后的发展研究趋势进行了展望.
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