1. School
of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, P. R. China
2. School
of Chemistry and Chemical
Engineering, Anqing Normal University, Anqing, Anhui 246011, P. R. China
3. Wuhan
National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan 430074, P. R. China