Preparation and Photoluminescence Properties of SrAl2Si2O8:Eu2+ Phosphors for White LED

被引：0

作者：

Chen Li-Song ^{[1
]}

Bai Zhao-Hui ^{[1
]}

Li Jin-Wei ^{[1
]}

Wang Pei ^{[1
]}

Wang Peng-Fei ^{[1
]}

Zhong Ying ^{[1
]}

Shan Dong-Dong ^{[1
]}

机构：

[1] Changchun Univ Sci & Technol, Sch Mat Sci & Engn, Changchun 130022, Peoples R China

来源：

CHINESE JOURNAL OF INORGANIC CHEMISTRY | 2010年 / 26卷 / 08期

关键词：

SrAl2Si2O8:Eu2+; white LED; phosphors; luminescence;

D O I：

暂无

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The SrAl2Si2O8:Eu2+ blue phosphor was synthesized by the solid-state reaction method. The effect of the synthesizing temperature and the concentration of activator Eu2+ and flux H3BO3 on the spectrum characteristics and structure of the sample was investigated,as well as the microstructure of SrAl2Si2O8. The results show that the sample SrAl2Si2O8:Eu2+ with a concentration of 3.0wt% H3BO3 and 2.5mol% Eu2+ which was ignited at 1 250 degrees C for 3 h is of the best luminescence capability. The concentration quenching mechanism is the d-q(dipole-quadrupole) interaction. SrAl2Si2O8:Eu2+ excited by 280 similar to 380 nm showed a characteristic wide band with the peak at about 429 nm.

引用

页码：1409 / 1414

页数：6

共 20 条

[1]

[Anonymous], ACTA PHYS SIN

[2]

Bai Zhaohui, 2008, Journal of the Chinese Ceramic Society, V36, P1753

[3]

BLASSE G, 1968, PHILIPS RES REP, V23, P189

[4] THEORY OF CONCENTRATION QUENCHING IN INORGANIC PHOSPHORS [J].

DEXTER, DL ;

SCHULMAN, JH .

JOURNAL OF CHEMICAL PHYSICS, 1954, 22 (06) :1063-1070

[5] Effects of RE3+ as a co-dopant in blue-emitting long-lasting phosphors, Sr3Al10SiO20:Eu2+ [J].

Kuang, J. Y. ;

Liu, Y. L. ;

Zhang, J. X. .

JOURNAL OF MATERIALS SCIENCE, 2006, 41 (17) :5500-5503

[6] Preparation and spectrum characteristics of Sr2SiO4:Eu3+ phosphor [J].

Li Pan-Lai ;

Yang Zhi-Ping ;

Wang Zhi-Jun ;

Xiong Zhi-Jun ;

Guo Qing-Lin .

ACTA PHYSICO-CHIMICA SINICA, 2008, 24 (01) :179-182

[7]

Li Pan-lai, 2008, Acta Photonica Sinica, V37, P2001

[8]

LI PL, 2008, CHINESE SCI BULL, P973

[9]

LI SP, 1992, SPECIAL CERAMIC TECH, P63

[10]

LI ZH, 1987, STRUCTURAL CHEM, P298

← 1 2 →