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Room-temperature synthesis of pompon-like ZnO hierarchical structures and their enhanced photocatalytic properties

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Abstract

In this paper, an efficient and simple route combined with a subsequent calcining process to synthesize pompon-like ZnO microstructures at room temperature (25 °C) has been developed. The samples were intensively investigated by SEM, TEM, HRTEM, and XRD. The results indicate that the well-crystallized pompon-like ZnO is assembled by interlaced nanoplates with uniform thickness of about 50 nm. The photocatalytic trials confirm that the pompon-like ZnO exhibits excellent degradation efficiency under UV light. Moreover, the as-prepared ZnO samples show superior durability and stability after six photodegradation cycling runs. Finally, a mechanism was proposed to elucidate the photodegradation reaction of the pompon-like ZnO.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China (NO. 61176004), the Basic and Frontier Research Programs of Henan Province (Nos. 092300410242, 092300410194), and the Natural Science Foundation of Education Department of Henan Province (Nos. 2011A150017, 2010A430012).

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Authors and Affiliations

  1. College of Chemistry and Environmental Science, Henan Normal University, Xinxiang, 453007, Henan, People’s Republic of China

    Fang Xu, Defu Guo, Haixia Wang, Zhiyong Gao, Dapeng Wu & Kai Jiang

  2. Engineering Technology Research Center of Motive Power and Key Materials of Henan Province, Xinxiang, 453007, Henan, People’s Republic of China

    Fang Xu & Kai Jiang

  3. Schools of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, 453003, People’s Republic of China

    Huijuan Han

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  1. Fang Xu
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  2. Defu Guo
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  3. Huijuan Han
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  5. Zhiyong Gao
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Correspondence to Kai Jiang.

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Xu, F., Guo, D., Han, H. et al. Room-temperature synthesis of pompon-like ZnO hierarchical structures and their enhanced photocatalytic properties. Res Chem Intermed 38, 1579–1589 (2012). https://doi.org/10.1007/s11164-012-0485-1

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  • DOI: https://doi.org/10.1007/s11164-012-0485-1

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