Luminescence properties and charge compensation of Sr3Al2O6 doped with Ce3+ and alkali metal ions

被引：45

作者：

Li, Guanghuan ^{[1
]}

Lai, Yawen ^{[2
]}

Cui, Tianjie ^{[1
]}

Yu, Hong ^{[1
]}

Liu, Darui ^{[3
]}

Gan, Shucai ^{[1
]}

机构：

[1] Jilin Univ, Coll Chem, Changchun 130026, Peoples R China

[2] Jilin Univ, Coll Geoexplorat Sci & Technol, Changchun 130026, Peoples R China

[3] Jilin Univ, Coll Mat Sci & Engn, Changchun 130026, Peoples R China

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2010年 / 124卷 / 2-3期

关键词：

Inorganic compounds; Ceramics; Luminescence; Optical properties; PHOSPHORS; PHOTOLUMINESCENCE; EU3+;

D O I：

10.1016/j.matchemphys.2010.08.039

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Sr3Al2O6 Ce3+ phosphors were synthesized by a solid-state reaction method under mild reducing atmosphere of activated carbon The effects of H3BO3 flux on the luminescence intensity and the optimum concentration of Ce3+ for luminescence property have been investigated The effect of a small amount of charge compensators like Li+ Na+ K+ and Rb+ on Sr3Al2O6 Ce3+ phosphor has also been studied Sr3Al2O6 Ce3+ R+(R= Li Na K and Rb) exhibit superior blue emission around 460 nm to Sr3Al2O6 Ce3+ and can be effectively excited by 395 rim light which implies that efficient charge compensation can promote the luminescence of Ce3+ in Sr3Al2O6 The Sr3Al2O6 Ce3+ R+ (R = Li Na K and Rb) have potential application as a blue phosphor for n-UV chip excited white LEDs (C) 2010 Elsevier B V All rights reserved

引用

页码：1094 / 1099

页数：6

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