Issue 48, 2010
From the journal:

Dalton Transactions

Luminescent materials of annealed Eu3+-exchanged zeolite L crystals

Yi Fang,a   Huanrong Li,*a   Yu Wangab  and  Xiuwu Liua  

* Corresponding authors

a Hebei Provincial Key Lab of Green Chemical Technology and High Efficient Energy Saving, School of Chemical Engineering and technology, Hebei University of Technology, Tianjin, P. R. China
E-mail: lihuanrong@hebut.edu.cn

b Department of Physics and Materials Science, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong

Abstract

In this work, we report the luminescence behavior of Eu3+-exchanged zeolite L microcrystals annealed at different temperatures. SEM and XRD techniques were employed to characterize the samples. UV-vis absorption spectroscopy and luminescence spectroscopy were used to study the luminescence properties of the annealed materials. It is shown that Eu3+-exchanged zeolite L crystals are structurally stable at 800 °C, and that its structure is completely collapsed when annealed at 1100 °C. Calcination of Eu3+-exchanged zeolite L crystals at 700 °C leads to a strong violet-blue emission, while a strong red emission is observed when the sample is annealed at 1100 °C.

Graphical abstract: Luminescent materials of annealed Eu3+-exchanged zeolite L crystals

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Article information

DOI
https://doi.org/10.1039/C0DT00908C
Article type
Paper
Submitted
24 Jul 2010
Accepted
28 Sep 2010
First published
04 Nov 2010

Dalton Trans., 2010,39, 11594-11598

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Luminescent materials of annealed Eu3+-exchanged zeolite L crystals

Y. Fang, H. Li, Y. Wang and X. Liu, Dalton Trans., 2010, 39, 11594 DOI: 10.1039/C0DT00908C

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