Syntheses of three members of A(II)M(IV)(PO4)2: luminescence properties of PbGe(PO4)2 and its Eu3+-doped powders

被引：26
|
作者：
Zhang, Wei-Long [1 ]
Lin, Chen-Sheng [1 ]
He, Zhang-Zhen [1 ]
Zhang, Hao [1 ]
Luo, Zhong-Zhen [1 ]
Cheng, Wen-Dan [1 ]
机构：
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
来源：
CRYSTENGCOMM | 2013年 / 15卷 / 35期
基金：
中国国家自然科学基金;
关键词：
CRYSTAL-STRUCTURE; ZIRCONIUM DIORTHOPHOSPHATE; OPTICAL-PROPERTIES; PHASE-TRANSITIONS; ENERGY-TRANSFER; PHOSPHOR; BARIUM; PHOTOLUMINESCENCE; SR; BA;
D O I：
10.1039/c3ce40936h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We present here the syntheses and optical properties of three phosphates, namely, AM(PO4)(2) (A = Pb2+, M = Ti, Ge; A = Sr2+, M = Ge). Thereinto, PbGe(PO4)(2) features a strong green broad-band emission peaking at 508 nm at room temperature when excited by UV irradiation. Its luminescence properties, decay time and Commission Internationale de l'Eclairage (CIE) chromaticity index have been determined. Additionally, the photoluminescent properties of its Eu3+-doped powders have also been investigated. Finally, the calculations of energy band structure and density of states have been performed to construct an available model to explain a possible mechanism of electron transition.
引用
收藏
页码：7089 / 7094
页数：6
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