1. Research Center of Nano Science and Technology, College of Sciences, Shanghai University, Shanghai 200444, P. R. China
2. College of Textile Science and Engineering (International Institute of Silk), Zhejiang Sci-Tech University, Hangzhou 310018, P. R. China
3. Department of Chemistry, Faculty of Science, Silpakorn University, Nakorn Pathom 73000, Thailand
4. Jiangxi Province Key Laboratory of Polymer Preparation and Processing, School of Physical Science and Intelligent Education, Shangrao Normal University, Shangrao 334001, P. R. China
5. Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong SAR, P. R. China
6. National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani 12120, Thailand