欢迎登录材料期刊网

材料期刊网

高级检索

本文以磷酸盐荧光材料作为研究对象,采用燃烧法制备了不同基质的红色荧光粉,红色荧光粉可以改善光色、提高显色指数,一直是研究的热点.室温下用X射线衍射仪测定了其晶体结构,用F-4600测定了其光致发光性质.结果表明合成的Lu12P2O23∶ Eu3,YP5O14∶Eu3+与La3 PO7∶Eu3+均属单斜相结构,Eu3+在单斜结构基质中占据非对称性格位.在完全相同实验条件下,对不同基质下掺杂Eu3+离子的发光强度进行比较,同时还研究了不同的Eu3浓度对La3PO7发光性质的影响.

参考文献

[1] Zeng XQ;Im SJ;Jang SH;Kim YM;Park HB;Son SH;Hatanaka H;Kim GY;Kim SG .Luminescent properties of (Y,Gd)BO3 : Bi3+, RE3+ (RE = Eu, Tb) phosphor under VUV/UV excitation[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2006(1):1-6.
[2] Jong Seong Bae;Byung Kee Moon;Jung Hyun Jeong;Soung Soo Yi;Jung Hwan Kim .Luminescence characteristics of pulsed-laser-ablated Y_(1.35)Gd_(0.6)O_(3):Eu~(3+) thin-film phosphors[J].Journal of Applied Physics,2005(4):043513-1-043513-5-0.
[3] Dorenbos P .The Eu3+ charge transfer energy and the relation with the band gap of compounds[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2005(1/2):89-104.
[4] 刘娟,王玮,周立亚.MAl2O4:Eu3+红色荧光粉的制备及其发光性质研究[J].广西大学学报(自然科学版),2014(03):473-478.
[5] Yu Hong-Ling,Yu Xue,Xu Xu-Hui,Jiang Ting-Ming,Yang Peng-Hui,Jiao Qing,Zhou Da-Cheng.Characterization and luminescence of Eu/Sm-coactivated CaYAl3O7 phosphor synthesized by using a combustion method[J].中国物理B(英文版),2013(09):640-643.
[6] Jiayue Sun;Jinli Lai;Jicheng Zhu .Luminescence properties and energy transfer investigations of Sr_2B_2O_5:Ce~(3+),Tb~(3+) phosphors[J].CERAMICS INTERNATIONAL,2012(7):5341-5345.
[7] 施伟梅,陈建福,王妙飞,敖盼盼.燃烧法制备白光LED用红色荧光粉SrBPO5∶Sm3+及发光性能[J].硅酸盐学报,2014(03):326-329.
[8] 李盼来,杨志平,王志军,熊志军,郭庆林.Sr2SiO4:Eu3+发光材料的制备及其光谱特性[J].物理化学学报,2008(01):179-182.
[9] 林慧,袁曦明,李永周,王永钱,王娟娟,庞明.Sr_2SiO_4:Eu~(3+)荧光粉的燃烧法制备及其发光性能的研究[J].中国稀土学报,2010(01):120-123.
[10] Peng WQ;Qu SC;Cong GW;Wang ZG .Concentration effect of Mn2+ on the photoluminescence of ZnS : Mn nanocrystals[J].Journal of Crystal Growth,2005(3/4):454-460.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%