Synthesis and luminescent properties of M2P2O7:Eu3+ (M = Ca, Sr, Ba) phosphors

被引：8
|
作者：
Mo, Fuwang [1 ]
Wang, Rongfang [1 ]
Lan, Yuwei [1 ]
Zhou, Liya [1 ]
He, Tao [1 ]
Xu, Xianmei [1 ]
机构：
[1] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China
来源：
NEW MATERIALS, APPLICATIONS AND PROCESSES, PTS 1-3 | 2012年 / 399-401卷
关键词：
phosphors; photoluminescence; X-ray diffraction; LIGHT-EMITTING-DIODES;
D O I：
10.4028/www.scientific.net/AMR.399-401.978
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A series of orange-red phosphors M(2)P(2)o(7): Eu3+ (M = Ca, Sr, Ba) were prepared by traditional solid-state reaction method. X-ray diffraction analysis confirmed the formation of Ca2P2O7, Sr2P2O7 and Ba2P2O7. Scanning electron-microscopy observation indicated a narrow size-distribution of about 0.6 similar to 1 mu m for the particles with a quadrate shape. Photoluminescence spectra of M2P2O7(M = Ca, Sr, Ba): Eu3+ phosphors showed a strong excitation peak around 393 nm, and Ca2P2O7: Eu3+, Sr2P2O7: Eu3+ and Ba2P2O7: Eu3+ phosphors showed strong emission bands peaking at about 593 nm, which suggests that the Eu3+ ion is occupy the site with center of symmetry.
引用
收藏
页码：978 / 981
页数：4
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