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Photocatalytic Behavior of Strontium Aluminates Co-Doped with Europium and Dysprosium Synthesized by Hydrothermal Reaction in Degradation of Methylene Blue

Department of Food and Nutrition, Kwangju Women’s University, 165 Sanjung-dong, Gwangju 62396, Korea
Catalysts 2018, 8(6), 227; https://doi.org/10.3390/catal8060227
Received: 4 April 2018 / Revised: 22 May 2018 / Accepted: 22 May 2018 / Published: 28 May 2018
(This article belongs to the Special Issue Photocatalysts for Organics Degradation)
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Abstract

Strontium aluminates co-doped with europium and dysprosium were prepared by a hydrothermal reaction through a sintering process at lower temperatures. The physicochemical properties of the strontium aluminates co-doped with europium and dysprosium were characterized and compared with those of strontium aluminates prepared by a sol–gel method. The photocatalytic properties of the strontium aluminates co-doped with europium and dysprosium were evaluated through the photocatalytic decomposition of methylene blue dye. The strontium aluminates co-doped with europium and dysprosium prepared by the hydrothermal reaction exhibited good phosphorescence and photocatalytic activities that were similar to those prepared by the sol–gel method. The photocatalytic activity of these catalysts for methylene blue degradation was higher than that of the titanium dioxide (TiO2) photocatalyst. View Full-Text
Keywords: strontium aluminates; dye photodecomposition; hydrothermal reaction; sol–gel method; phosphorescence strontium aluminates; dye photodecomposition; hydrothermal reaction; sol–gel method; phosphorescence
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Park, B.-G. Photocatalytic Behavior of Strontium Aluminates Co-Doped with Europium and Dysprosium Synthesized by Hydrothermal Reaction in Degradation of Methylene Blue. Catalysts 2018, 8, 227.

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