1. Department of Nano Carbon MaterialsChengdu Institute of Organic ChemistryChinese Academy of Sciences No. 9, Block 4, Renmin Nan Road Chengdu 610041 P. R. China
2. Group of Chemistry and Chemical EngineeringUniversity of Chinese Academy of Sciences No. 19 (A) Yuquan Road Beijing 100049 P. R. China
3. Chengdu Organic Chemicals Co., Ltd.Chinese Academy of Sciences No. 9, Block 4, Renmin Nan Road Chengdu 610041 P. R. China