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.
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页数：3
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