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Issue 27, 2018
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Pure red upconversion luminescence and optical thermometry of Er3+ doped sensitizer-rich SrYbInO4 phosphors

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Abstract

Er3+ doped sensitizer-rich SrYbInO4 upconversion phosphors with an orthorhombic structure (Pnma) were synthesized by using a high temperature solid state reaction and their phase structure, site occupation and microstructure have been analyzed. Interestingly, upon the excitation from 980 nm pulsed laser diodes, the SrYbInO4:Er3+ phosphor emitted a nearly pure red emission on account of the 4F9/24I15/2 transition of Er3+. Additionally, based on the pump power dependence of the upconversion intensity and the schematic diagram of the energy levels, the upconversion mechanism in this system was verified in a two-photon process. The temperature-dependent behaviors of the as-synthesized sample demonstrated the potential for applications in optical thermometry.

Graphical abstract: Pure red upconversion luminescence and optical thermometry of Er3+ doped sensitizer-rich SrYbInO4 phosphors

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Article information


Submitted
26 May 2018
Accepted
18 Jun 2018
First published
18 Jun 2018

J. Mater. Chem. C, 2018,6, 7361-7366
Article type
Paper

Pure red upconversion luminescence and optical thermometry of Er3+ doped sensitizer-rich SrYbInO4 phosphors

N. Zhang, M. S. Molokeev, Q. Liu and Z. Xia, J. Mater. Chem. C, 2018, 6, 7361
DOI: 10.1039/C8TC02565G

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