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HomeMaterials Science ForumMaterials Science Forum Vols. 663-665Photostimulated Luminescence Studies of Electron...

Photostimulated Luminescence Studies of Electron Trapping Materials SrS:Eu²⁺,RE (RE= Dy³⁺,Yb³⁺,Pr³⁺,Ho³⁺,Tm³⁺)

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Abstract:

Trivalent rare-earth ions, Dy3+, Yb3+, Pr3+, Ho3+, Tm3+, have been investigated as the co-doped auxiliary sensitizer for the electron trapping materials SrS:Eu2+ in order to enhance the fluorescence properties. It is found that Dy3+ and Ho3+ has the optimum photoluminescence stimulated luminescence (PSL) effect among the selected trivalent rare-earth ions. All the SrS: Eu2+ samples coped by different trivalent rare-earth ions can be stimulated by 980 nm laser after exposing to the conventional sun light, and they emit PSL with the peak located at 615 nm. The present research also indicates that some co-doped rare earth ions can increase fluorescence intensities of the traditional electron trapping materials SrS: Eu2+.

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Periodical:

Materials Science Forum (Volumes 663-665)

Pages:

264-267

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.663-665.264

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Online since:

November 2010

Authors:

Hai Yan Du, Zhen Xing Liu, Jia Yue Sun

Keywords:

Electron Trapping Effect, Optical Storage Material, Photo Stimulated Luminescence

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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