Metal Ion–Induced Synthesis of Hierarchical ZnO Architectures with Various Morphologies and Their Photocatalytic Performances

  • Xinmei Liu
  • Shibo Yao
  • Yao Liu
  • Wenkang Zhang
  • Fengming Fu
  • Haiyan He
Conference paper
Part of the Springer Proceedings in Energy book series (SPE)

Abstract

Three-dimensional (3D) hierarchical ZnO nanostructures were synthesized on zinc-electroplated Cu foil in one kind of metal salt-ammonia hydrothermal system. The morphologies, structures, components and spectra of the as-prepared products were characterized with SEM, XRD, EDS and UV-vis-DRS. The results showed the morphology of hierarchical ZnO architectures changed with varying the kind of metal salts added in the hydrothermal system, while the hexagonal wurtzite structure of ZnO kept constant. The photocatalytic experiment showed that different hierarchical ZnO films showed different photocatalytic activities for degrading methyl orange aqueous solution under ultraviolet irradiation, which was attributed to the difference of specific surface area, porous channel properties and light scattering effect from different hierarchical ZnO architectures. The inherent characteristics of metal ions, involving ionic radius, solubility and crystal structure of its oxide or hydroxide precipitates, and so on, was speculated to play an important role in the change of morphology of hierarchical ZnO architectures.

Keywords

ZnO Hierarchical architecture Morphology change Photocatalysis Hydrothermal method 

Notes

Acknowledgements

The research was supported by the National Natural Science Foundations of China (No. 21261003), and the Natural Science Foundation of Guangxi Zhuang Autonomous Region (No. 2013GXNSFAA019027), and the Guangxi University of Science and Technology (No. 12Z06).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Xinmei Liu
    • 1
  • Shibo Yao
    • 1
  • Yao Liu
    • 1
  • Wenkang Zhang
    • 1
  • Fengming Fu
    • 1
  • Haiyan He
    • 1
  1. 1.College of Biological and Chemical EngineeringGuangxi University of Science and TechnologyLiuzhouChina

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