1. Key Laboratory
of Jiangxi Province for Persistant Pollutants Control and Resources
Recycle, Nanchang Hangkong University, Nanchang, 330063, P. R. China
2. Department of Physics, National Chung-Cheng University, Chia-Yi 621, Taiwan, Republic of China
3. School of Materials Science and Engineering, The University of New South Wales, Sydney, NSW 2052, Australia