Long persistent luminescence in the ultraviolet in Pb2+-doped Sr2MgGe2O7 persistent phosphor

Yanjie Liang; Feng Liu; Yafei Chen; Kangning Sun; Zhengwei Pan

doi:10.1039/C5DT04588F

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Long persistent luminescence in the ultraviolet in Pb²⁺-doped Sr₂MgGe₂O₇ persistent phosphor†

Yanjie Liang,^ab Feng Liu,^ac Yafei Chen,^ab Kangning Sun^b and Zhengwei Pan*^ac

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* Corresponding authors

^a College of Engineering, University of Georgia, Athens, GA 30602, USA
E-mail: panz@uga.edu

^b Key Laboratory for Liquid-Solid Structure Evolution and Processing of Materials, Shandong University, Jinan 250061, China

^c Department of Physics and Astronomy, University of Georgia, Athens, GA 30602, USA

Abstract

We extend the persistent luminescence into the ultraviolet spectral region by developing a new ultraviolet persistent phosphor Sr₂MgGe₂O₇:Pb²⁺. The Sr₂MgGe₂O₇:Pb²⁺ phosphor exhibits strong persistent luminescence peaking at 370 nm and a long persistence time of >12 h after excitation. The phosphor also exhibits a photo-stimulated persistent luminescence capability.

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Article information

DOI: https://doi.org/10.1039/C5DT04588F
Article type: Communication
Submitted: 23 Nov 2015
Accepted: 15 Dec 2015
First published: 15 Dec 2015

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Dalton Trans., 2016,45, 1322-1326

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Long persistent luminescence in the ultraviolet in Pb²⁺-doped Sr₂MgGe₂O₇ persistent phosphor

Y. Liang, F. Liu, Y. Chen, K. Sun and Z. Pan, Dalton Trans., 2016, 45, 1322 DOI: 10.1039/C5DT04588F

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Dalton Transactions