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author:

施伟梅 (施伟梅.) [1] | 陈建福 (陈建福.) [2] | 王妙飞 (王妙飞.) [3] | 敖盼盼 (敖盼盼.) [4]

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Abstract:

用H3BO3作为助熔剂、尿素为燃料,采用燃烧法在较低的起始温度(650℃)下制备了的纳米级SrBPO5∶Sm3+红色荧光粉.研究了该荧光粉样品的相结构、形貌和发光特性.结果表明:SrBPO5∶Sm3+样品属于三方晶系,空间群为P3121;该荧光粉平均粒径为200 nm、分散性较好.样品在近紫外光404 nm的激发下发射红光,发射主峰位于558、596和645nm处,分别对应于Sm3的4 G5/2→6 H5/2、4 G5/2→6H7/2和4G5/2→6 H9/2的跃迁;当Sm3+的最佳摩尔掺杂量为10%,对于既可作为助熔剂又是原料的H3BO3过量0.8%时,样品的发射峰强度最强.SrBPO5∶Sm3+有望成为近紫外激发的白光LED用新型红色荧光粉.

Keyword:

发光强度 燃烧法 硼磷酸锶 红色荧光粉

Community:

  • [ 1 ] [施伟梅]赣南医学院
  • [ 2 ] [陈建福]福州大学
  • [ 3 ] [王妙飞]赣南医学院
  • [ 4 ] [敖盼盼]赣南医学院

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Source :

硅酸盐学报

ISSN: 0454-5648

CN: 11-2310/TQ

Year: 2014

Issue: 3

Volume: 42

Page: 326-329

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 3

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 0

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