Indexed by:
Abstract:
用HsBOs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SrBP05: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:SrBP05:am3+样品属于三方晶系,空间群为P3121;该荧光粉平均粒径为200nm、分散性较好。样品在近紫外光404nm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4G5/2→6H5/2→6G5/2→6H7/2和。G5/2→6H9/2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:
Reprint 's Address:
Email:
Source :
硅酸盐学报
ISSN: 0454-5648
Year: 2014
Issue: 3
Volume: 42
Page: 326-329
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count: -1
30 Days PV: 6
Affiliated Colleges: