Yanling Peng, Guosheng Song, Xianghua Hu, Guanjie He, Zhigang Chen*, Xiaofeng Xu* and Junqing Hu*
* Corresponding authors: Zhigang Chen zgchen@dhu.edu.cn - Xiaofeng Xu xxf@dhu.edu.cn - Junqing Hu hu.junqing@dhu.edu.cn
Nanoscale Research Letters 2013, 8:106 doi:10.1186/1556-276X-8-106
Fields marked * are required