1. School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
2. Science and Technology on Combustion and Explosion Laboratory, Xi’an Modern Chemistry Research Institute, 168 Zhangba East Road, Xi’an 710065, P. R. China
3. Hunan Vanguard Group Co., Ltd., Changsha, Hunan 410100, P. R. China