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Issue 10, 2016
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Photoluminescence and afterglow of deep red emitting SrSc2O4:Eu2+

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Abstract

This work deals with the photoluminescence (PL) properties of SrSc2O4:Eu2+ and SrSc2O4:Eu2+,Dy3+. For this purpose a series of powder samples of SrSc2O4 with various concentrations of Eu2+ and Dy3+ was prepared. The samples were synthesised via a high temperature solid state route. Phase purity was investigated by conducting X-ray powder diffractometry. The PL properties of all prepared samples were elucidated by recording PL and PL excitation spectra. Furthermore, the temperature behaviour of the PL of SrSc2O4:Eu2+ was investigated from 100 to 500 K. Diffuse reflectance spectra were recorded to investigate the optical properties of Eu2+ doped SrSc2O4. Additionally, persistent luminescence of SrSc2O4:Eu2+ and SrSc2O4:Eu2+,Dy3+ was investigated. To this end, PL lifetime measurements were conducted. SrSc2O4:Eu2+ shows an emission band in the deep red spectral range. Moreover, it turned out that the red emission of SrSc2O4:Eu2+ shows persistent luminescence too.

Graphical abstract: Photoluminescence and afterglow of deep red emitting SrSc2O4:Eu2+

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Publication details

The article was received on 02 Dec 2015, accepted on 12 Jan 2016 and first published on 21 Jan 2016


Article type: Paper
DOI: 10.1039/C5RA25686K
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RSC Adv., 2016,6, 8483-8488
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    Photoluminescence and afterglow of deep red emitting SrSc2O4:Eu2+

    M. Müller, M. Volhard and T. Jüstel, RSC Adv., 2016, 6, 8483
    DOI: 10.1039/C5RA25686K

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