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Journal of Nanomaterials
Volume 2014, Article ID 381819, 7 pages
Research Article

Highly Branched Sn-Doped ZnO Nanostructures for Sunlight Driven Photocatalytic Reactions

School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China

Received 17 June 2014; Revised 16 July 2014; Accepted 7 August 2014; Published 11 December 2014

Academic Editor: Shaowen Cao

Copyright © 2014 Yangyang Liu 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.


Ultralong, highly branched Sn-doped zinc oxide (ZnO) nanostructures were fabricated using a simple substrate-free chemical vapor deposition (CVD) method. The nanostructures exhibited efficient photocatalytic activities in degradation of methylene blue (MB) under natural sunlight. 100% of MB with the concentration of 10 mg/L could be completely removed within 36 minutes. Possible reasons for the enhanced photocatalytic effect were analyzed.