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Journal of Nanomaterials
Volume 2013 (2013), Article ID 986157, 4 pages
Research Article

Morphology and Optical Property of ZnO Nanostructures Grown by Solvothermal Method: Effect of the Solution Pretreatment

1New Environmental Protection Key Laboratory of Jiangsu Province, Yancheng Institute of Technology, Yancheng 224051, China
2State Key Lab of Optoelectronic Materials and Technologies, School of Physics and Engineering, Sun Yat-sen University, Guangzhou 510006, China
3School of Microelectronics and Solid-State Electronics, University of Electronic Science and Technology of China, Shahe Campus, Chengdu 610054, China
4Physics Department, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong

Received 1 April 2013; Accepted 23 July 2013

Academic Editor: Pathik Kumbhakar

Copyright © 2013 Wenhui Zhang 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.


Zinc oxide (ZnO) nanostructures with different morphologies such as nanopyramids, nanosheets, and nanoparticles have been grown by a simple solvothermal method. The influence of solution pretreatmentt on the morphology and optical properties of ZnO nanostructures has been studied. The experimental results revealed the morphology of ZnO transformed from nanopyramids or nanosheets to nanoparticles after solution pretreatment. Raman and photoluminescence spectra are recorded to examine the crystallinity and optical property of the samples.