Highly efficient broadband near-infrared luminescence in Ni2+-doped glass ceramics films containing cordierite nanocrystals

被引：6

作者：

Sun, Hong-Tao ^{[1
]}

Shimaoka, Fumiaki ^{[1
]}

Ruan, Jian ^{[2
,3
]}

Miwa, Yuji ^{[1
]}

Fujii, Minoru ^{[1
]}

Qiu, Jianrong ^{[4
]}

Mizuhata, Minoru ^{[5
]}

Deki, Shigehito ^{[5
]}

Hayashi, Shinji ^{[1
]}

机构：

[1] Kobe Univ, Dept Elect & Elect Engn, Grad Sch Engn, Nada Ku, Kobe, Hyogo 6578501, Japan

[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China

[3] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

[4] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China

[5] Kobe Univ, Dept Sci & Chem Engn, Nada Ku, Kobe, Hyogo 6578501, Japan

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2009年 / 355卷 / 48-49期

关键词：

Luminescence; Silicates; SPECTROSCOPY;

D O I：

10.1016/j.jnoncrysol.2009.08.034

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We report on highly efficient broadband near-infrared photoluminescence (PL) in Ni2+-doped glass ceramics (GCs) films fabricated by annealing Si/Ni2+-doped glass superlattices (SNGS). Over two orders of magnitude enhancement of PL can be achieved in comparison with that from the annealed glass film. The PL lifetime of the annealed SNGS is several milliseconds, which is much longer than those of bulk GCs. The strong PL enhancement results from the formation of high-quality cordierite nanocrystals because the Si layers act as Si source for the crystal growth. This technique can be extended to fabricate other types of high-quality GCs films. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：2425 / 2428

页数：4

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