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Issue 12, 2014
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Correlation between preparation conditions and the photoluminescence properties of Sn2+ centers in ZnO–P2O5 glasses

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Abstract

Photoluminescence (PL) and coordination states of Sn2+ centers in 1SnO–68ZnO–31P2O5 (SZP31) glass prepared under different conditions are examined. When prepared in air, the local coordination state of Sn2+ centers depends on the starting material. In contrast, the PL properties of Sn2+ centers of the glass prepared under inert atmosphere conditions are independent of the starting material because of elimination of the oxidation reaction. 119mSn Mössbauer and X-ray absorption fine structure analyses indicate that most of the Sn2+ centers in the SZP31 glass prepared in an inert atmosphere exist at a SnO-like coordination state, possessing a coordination number greater than 2. It is assumed that the more highly coordinated Sn2+ is the origin of high PL intensity with high quantum efficiency.

Graphical abstract: Correlation between preparation conditions and the photoluminescence properties of Sn2+ centers in ZnO–P2O5 glasses

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Publication details

The article was received on 15 Nov 2013, accepted on 03 Jan 2014 and first published on 06 Feb 2014


Article type: Paper
DOI: 10.1039/C3TC32259A
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J. Mater. Chem. C, 2014,2, 2137-2143

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    Correlation between preparation conditions and the photoluminescence properties of Sn2+ centers in ZnO–P2O5 glasses

    H. Masai, T. Tanimoto, S. Okumura, K. Teramura, S. Matsumoto, T. Yanagida, Y. Tokuda and T. Yoko, J. Mater. Chem. C, 2014, 2, 2137
    DOI: 10.1039/C3TC32259A

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