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Erschienen in: Journal of Materials Science: Materials in Electronics 12/2018

20.04.2018

Enhanced persistent luminescence of LiGa5O8:Cr3+ near-infrared phosphors by codoping Sn4+

verfasst von: Weichao Huang, Xinyong Gong, Ruirui Cui, Xucheng Li, Liangrong Li, Xu Wang, Chaoyong Deng

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 12/2018

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Abstract

The near-infrared (NIR) long persistent phosphors LiGa5O8:Cr3+ have attracted considerable attention owing to the potential applications in medical imaging. A series of novel LiGa5O8:Cr3+ phosphors with different Sn4+ concentrations were successfully prepared by a high temperature solid-state reaction. The influence of codoping Sn4+ on photoluminescence, long persistent luminescence and thermoluminescence properties were systematically investigated. The results showed the persistent luminescence performance of phosphors was significantly enhanced after the incorporation of Sn4+ ions. Thermoluminescence spectra indicated that the incorporation of Sn4+ contributes to the formation of defects and increase the traps density, thus improving the persistent luminescence properties of LiGa5O8:Cr3+ phosphors.

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Metadaten
Titel
Enhanced persistent luminescence of LiGa5O8:Cr3+ near-infrared phosphors by codoping Sn4+
verfasst von
Weichao Huang
Xinyong Gong
Ruirui Cui
Xucheng Li
Liangrong Li
Xu Wang
Chaoyong Deng
Publikationsdatum
20.04.2018
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 12/2018
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-018-9117-x

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