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Li2Y4–xSmx(MoO4)7 红色荧光粉的合成和发光性能

DOI: 10.14062/j.issn.0454-5648.2015.11.17

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Abstract:

采用高温固相法合成了Li2Y4–xSmx(MoO4)7系列红色荧光粉。合成的最佳条件为700℃烧结2h,最佳助熔剂H3BO3的含量为3%(质量分数),Sm3+离子的最佳掺杂摩尔分数为6%;探讨了引起浓度猝灭的原因。结果表明此系列荧光粉能够被405nm的紫外光有效激发,在646nm处发射较强的红光,对应于Sm3+的4G5/2→6H9/2跃迁。

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