Issue 17, 2011
From the journal:

Journal of Materials Chemistry

Tailoring of clusters of active ions in sintered nanoporous silica glass for white light luminescence

Luyun Yang,a   Nengli Dai,a   Zhijun Liu,a   Zuowen Jiang,a   Jinggang Peng,a   Haiqing Li,a   Jinyan Li,*a   Masaru Yamashitab  and  Tomoko Akaib  

* Corresponding authors

a Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, China
E-mail: luyunyang@gmail.com, ljy@mail.hust.edu.cn
Fax: +86 27 87559463
Tel: +86 27 87559463

b National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, Osaka, Japan

Abstract

To tailor clusters of active ions in glasses is laborious but critical for obtaining high efficient luminescence. Here, we present a facile method to tailor clusters of active ions by using one kind of porous host, the nanoporous silica glass. The white light-emitting glasses were prepared by sintering of nanoporous silica glasses impregnated with Ce3+, Tb3+, Mn2+ and Al3+ ions. The combination of blue, green and red emissions of Ce3+, Tb3+ and Mn2+ ions in the glasses under ultraviolet light excitation create white light emissions. The fluorescence of the glasses under long-wavelength ultraviolet excitation are dependent on energy transfer processes between the active ions; and the Al3+ plays a key role in adjusting of the energy transfer processes.

Graphical abstract: Tailoring of clusters of active ions in sintered nanoporous silica glass for white light luminescence

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Article information

DOI
https://doi.org/10.1039/C0JM04187D
Article type
Paper
Submitted
01 Dec 2010
Accepted
28 Feb 2011
First published
24 Mar 2011

J. Mater. Chem., 2011,21, 6274-6279

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Tailoring of clusters of active ions in sintered nanoporous silica glass for white light luminescence

L. Yang, N. Dai, Z. Liu, Z. Jiang, J. Peng, H. Li, J. Li, M. Yamashita and T. Akai, J. Mater. Chem., 2011, 21, 6274 DOI: 10.1039/C0JM04187D

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