Efficient energy transfer for Ce to Nd in Nd/Ce codoped yttrium aluminum garnet

被引：56

作者：

Meng, Jian Xin ^{[1
,2
,3
]}

Li, Jin Qing ^{[4
]}

Shi, Zhao Pu ^{[4
]}

Cheah, Kok Wai ^{[1
,2
]}

机构：

[1] Hong Kong Baptist Univ, Ctr Adv Luminescence Mat, Kowloon Tong, Hong Kong, Peoples R China

[2] Hong Kong Baptist Univ, Dept Phys, Kowloon Tong, Hong Kong, Peoples R China

[3] Jinan Univ, Inst Nanochem, Guangzhou 510632, Guangdong, Peoples R China

[4] Jinan Univ, Dept Chem, Guangzhou 510632, Guangdong, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 22期

关键词：

cerium; neodymium; phosphors; photoluminescence; yttrium compounds;

D O I：

10.1063/1.3035849

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A two order of enhancement in near-infrared emission from Nd3+ in Ce3+/Nd3+ codoped yttrium aluminum garnet (YAG) matrix is obtained. This is due to efficient absorption by the allowed 4f-5d transition of Ce3+ ions then transfer to Nd3+ ions via a well matched energy level. This is among the most efficient near-infrared emission from Nd3+ ions strongly sensitized by exciting with an allowed transition in an inorganic matrix. This means that a new class of material, YAG:Ce,Nd, was produced and it potentially can be an efficient near-infrared phosphor that could be easily excited by a GaN light emitting diode, producing a new type of near-infrared emitter.

引用

页数：3

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