A novel synthesis of phase-pure ultrafine YAG:Tb phosphor with different Tb concentration

被引：73

作者：

Zhang, JJ ^{[1
]}

Ning, JW ^{[1
]}

Liu, XJ ^{[1
]}

Pan, YB ^{[1
]}

Huang, LP ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China

来源：

MATERIALS LETTERS | 2003年 / 57卷 / 20期

关键词：

Y3Al5O12; Tb3+; optical materials and properties; powder technology; sol-gel combustion process;

D O I：

10.1016/S0167-577X(02)01439-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ultrafine luminescent yttrium aluminum garnet (YAG):Tb powders doped with different Tb concentration are prepared by a nitrate-citrate sol-gel combustion process. Single-phase cubic YAG:Tb crystalline is obtained at 800 degreesC by directly crystallizing from amorphous materials as determined by X-ray diffraction (XRD) techniques. The resultant YAG:Th powders heat-treated at 1000 degreesC are uniform and in good dispersity with particle size of about 100 nm. The photoluminescence (PL) spectrum of Tb3+ substituted for Y3+ in YAG with different contents has been measured on samples calcined at 1000 degreesC. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：3077 / 3081

页数：5

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