LED用红色荧光粉NaGdTiO4∶Sm3+的合成与发光性能

来源 :2014中国功能材料科技与产业高层论坛 | 被引量 : 0次 | 上传用户：mcx1988929

【摘要】

：

采用高温固相法制备了白光LED用NaGd(1-x)TiO4∶ xSm3+系列红色荧光粉，并对样品分别进行了X射线衍射分析和荧光光谱测试。研究结果表明，样品可以被390-410的近紫外光有效的激发，在409nm激发下，荧光粉由三个主要发射峰，分别位于567nm、607nm和652 nm处，对应与Sm3+离子的4G5/2→6H52、4G5/2→6H7/2、4G5/2→6H9/2的跃迁发射，其中607n

【作者】

：

张晋春武秀兰朱建锋任强

【机构】

：

陕西科技大学材料科学与工程学院,西安710021

【出处】

：

2014中国功能材料科技与产业高层论坛

【发表日期】

：

2014年2期

【关键词】

：

光致发光红色荧光粉 LED 固相法

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LED用红色荧光粉NaGdTiO4∶Sm3+的合成与发光性能

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