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Issue 32, 2012
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Microwave-assisted synthesis of ZnO–Y3Al5O12:Ce3+ composites with enhanced visible light photocatalysis

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Abstract

ZnO–Y3Al5O12:Ce3+ composites were successfully synthesized via a microwave-assisted reaction of the ZnO precursor with a Y3Al5O12:Ce3+ suspension using a microwave synthesis system. The morphology, structure and photocatalytic performance in the degradation of methylene blue (MB) were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction spectroscopy, fluorescence spectrophotometer, and UV-vis absorption spectrophotometer. The results show that the introduction of Y3Al5O12:Ce3+ can enhance the photocatalytic performance of ZnO with a maximum MB degradation rate of 93% under visible light irradiation compared with pure ZnO (13%) mainly due to the light down-converting effect of Y3Al5O12:Ce3+, which facilitates the self-sensitized destruction of MB.

Graphical abstract: Microwave-assisted synthesis of ZnO–Y3Al5O12:Ce3+ composites with enhanced visible light photocatalysis

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Publication details

The article was received on 12 May 2012, accepted on 25 Jun 2012 and first published on 25 Jun 2012


Article type: Paper
DOI: 10.1039/C2JM33008C
Citation: J. Mater. Chem., 2012,22, 16293-16298

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    Microwave-assisted synthesis of ZnO–Y3Al5O12:Ce3+ composites with enhanced visible light photocatalysis

    X. Liu, X. Wang, H. Li, L. Pan, T. Lv, Z. Sun and C. Sun, J. Mater. Chem., 2012, 22, 16293
    DOI: 10.1039/C2JM33008C

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