Ca3(PO4)2:RE3+ (RE=Eu,Dy,Ce,Tb) 荧光粉的制备及其发光特性

J4 ›› 2013, Vol. 30 ›› Issue (3): 303-309.

Ca3(PO4)2:RE3+ (RE=Eu,Dy,Ce,Tb) 荧光粉的制备及其发光特性

孟涛，胡正发，张伟，王雄庭，叶定华，王银海，罗莉，王伟, 杜姬芳

1 广东工业大学物理与光电工程学院，广东广州 510006； 2 中山市鸿宝电业有限公司，广东中山 518476

收稿日期:2012-05-07 修回日期:2012-11-27 出版日期:2013-05-28 发布日期:2013-05-06
通讯作者: 胡正发 (1972- ), 博士，从事激光光谱应用和发光材料研究. E-mail:zhfhu@gdut.edu.cn
作者简介:孟涛（1988- ）江西人，研究生，从事单一基质白光LED用荧光粉制备和发光特性研究。
基金资助:
广东省重大科技专项 (2011A080801015),佛山市南海区绿色照明产业发展（技术创新）专项 (2011A07)资助

Preparation and luminescence properties of Ca3(PO4)2: Re3+ (Re=Eu,Dy,Ce,Tb) phosphors

MENG Tao, HU Zheng-fa, ZHANG Wei, WANG Xiong-ting, YE Ding-hua, WANG Yin-hai, LUO Li, WANG Wei, DU Ji-Fang

1 College of Physics & Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China; 2 Zhongshan Hongbao Electrical Co. Ltd., Zhongshan 518476 , China

Received:2012-05-07 Revised:2012-11-27 Published:2013-05-28 Online:2013-05-06

摘要/Abstract

摘要： 采用高温固相法合成了Ca3(PO4)2:RE3+(RE = Eu, Dy, Ce, Tb)系列发光材料，研究了其发光性质。研究表明Ca3(PO4)2: RE3+ 在紫外区域均能有效被激发，有很强的荧光发射，且发光范围覆盖蓝到红光波段，是一类可以紫外激发实现白光LED用的潜在荧光粉。在0.005到0.03 mol 浓度范围内，Eu，Dy和Ce掺杂的荧光粉的发光都发生了浓度淬灭，分别对应于0.025，0.025和0.02 mol，而Tb3+掺杂的样品的表现出高的发光淬灭浓度。

关键词: 材料, 荧光粉, 高温固相法, 磷酸盐基质, 白光LED

Abstract: A series of phosphors Ca3(1-x)(PO4)2: xRE3+(RE = Eu, Dy, Ce, Tb) have been prepared by a high temperature solid-state reaction method. Their luminescence properties were investigated. The results indicated that all samples could be effectively excited by ultraviolet light with the range from blue to red light, and they are the potential phosphors to obtain white LED excited by ultraviolet light.In the range of 0.005 to 0.03 mol, photoluminescence quenching concentration of Eu3+, Dy3+, and Ce3+-doped are 0.025, 0.025, and 0.02 mol, respectively, and Tb3+-doped samples has high quenching concentration.

Key words: materials, phosphor, high temperature solid-state reaction, phosphate substrate, white LED

孟涛，胡正发，张伟，王雄庭，叶定华，王银海，罗莉，王伟, 杜姬芳 . Ca3(PO4)2:RE3+ (RE=Eu,Dy,Ce,Tb) 荧光粉的制备及其发光特性[J]. J4, 2013, 30(3): 303-309.

MENG Tao, HU Zheng-fa, ZHANG Wei, WANG Xiong-ting, YE Ding-hua, WANG Yin-hai, LUO Li, WANG Wei, DU Ji-Fang . Preparation and luminescence properties of Ca3(PO4)2: Re3+ (Re=Eu,Dy,Ce,Tb) phosphors[J]. J4, 2013, 30(3): 303-309.

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