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Preparation of Sn-Doped Zinc Phosphate Amorphous Thin Film and its Emission Properties

Authors


Author to whom correspondence should be addressed. e-mail: masai_h@noncry.kuicr.kyoto-u.ac.jp

Abstract

Using liquid-phase synthesis, SnOZnOP2O5 amorphous coating films exhibiting broad emission of Sn2+ center were prepared. It is found that the POZn bonds of the film were generated during the heat-treatment. The emission property due to Sn2+ depended on the heat-treatment temperature, which correlated with the residual chloride ion content. Although the peak position of the photoluminescence (PL) excitation band was almost constant, that of PL red-shifted with increasing amount of SnO, which was quite different from the result observed for SnOZnOP2O5 bulk glass containing Sn2+ center.

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