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Journal of Nanomaterials
Volume 2014, Article ID 186916, 7 pages
http://dx.doi.org/10.1155/2014/186916
Review Article

ZnO Film Photocatalysts

1Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, Harbin Normal University, Harbin 150025, China
2College of Life Science and Technology, Harbin Normal University, Harbin 150025, China

Received 27 December 2013; Accepted 4 January 2014; Published 17 March 2014

Academic Editor: Chuanfei Guo

Copyright © 2014 Bosi Yin et al. 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.

Abstract

We have synthesized high-quality, nanoscale ultrathin ZnO films at relatively low temperature using a facile and effective hydrothermal approach. ZnO films were characterized by scanning electron microscope (SEM), X-ray diffraction (XRD), Raman spectroscopy, photoluminescence spectra (PL), and UV-vis absorption spectroscopy. The products demonstrated 95% photodegradation efficiency with Congo red (CR) after 40 min irradiation. The photocatalytic degradation experiments of methyl orange (MO) and eosin red also were carried out. The results indicate that the as-obtained ZnO films might be promising candidates as the excellent photocatalysts for elimination of waste water.