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Research on Chemical Intermediates

, Volume 41, Issue 1, pp 63–70 | Cite as

Facile synthesis and photocatalytic activity of zinc oxide hierarchical microcrystals

  • Xinjiang XuEmail author
  • Fangcheng Kuang
  • Jiangping Xu
Article

Abstract

ZnO microcrystals with hierarchical structure have been synthesized by a simple solvothermal approach. The microcrystals were studied by means of X-ray diffraction, transmission electron microscopy, and scanning electron microscopy. Research on the formation mechanism of the hierarchical microstructure shows that the coordination solvent and precursor concentration have considerable influence on the size and morphology of the microstructures. A possible formation mechanism of the hierarchical structure was suggested. Furthermore, the catalytic activity of the ZnO microcrystals was studied by treating low concentration Rhodamine B (RhB) solution under UV light, and research results show the hierarchical microstructures of ZnO display high catalytic activity in photocatalysis, the catalysis process follows first-order reaction kinetics, and the apparent rate constant k = 0.03195 min−1.

Keywords

ZnO Crystal growth Structure Photocatalysis 

Notes

Acknowledgments

This research was supported by the natural science fund from Guangxi Province (2013GXNSFBA019046), Guangxi Educational Department (201203YB153) and Key Project (2011YJZD19) from Yulin Normal University (X.-J. Xu).

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  1. 1.College of Chemistry and MaterialYulin Normal UniversityYulinPeople’s Republic of China
  2. 2.Testing Center of Fujian Institute of Geology and MineralFuzhouPeople’s Republic of China
  3. 3.Computational Solid Mechanics Laboratory (CSML)King Abdullah University of Science and Technology (KAUST)ThuwalSaudi Arabia

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