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The Influence of Dy3+ in the Novel Electron Trapping Materials (ETM) (ETM) SrS: Eu2+, Dy3+

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Abstract:

A new electron trapping materials (ETM) SrS: Eu2+, Dy3+, which was prepared by the method of high temperature solid-state reaction. The results indicate that both ultraviolet light and visible light can be used as exciting source to store energy. After exposed under ultraviolet, the sample was stimulated by 980nm laser. As a result, an obvious luminescence at 615 nm was detected. The up-conversion emission spectrum was found to be a continuous broadband spectrum resulted from the multi-transitions of Eu2+ 4f6→4f7 (8S7/2). The emission peak intensity of SrS: Eu2+, Dy3+ was stronger than SrS: Eu2+.

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Periodical:

Materials Science Forum (Volumes 663-665)

Pages:

429-433

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.663-665.429

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Online since:

November 2010

Authors:

Jia Yue Sun, Zhen Xing Liu, Hai Yan Du

Keywords:

Electron Trapping Material, Rare Earth Ion, SrS: Eu2+, Dy3+

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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