1. School of Chemistry and Chemical Engineering, State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan, Ningxia, 750021, P. R. China
2. School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, 750021, P. R. China
3. Department of Chemistry, College of Chemistry and Chemical Engineering, Department of Mechanical and Electrical Engineering, School of Aerospace Engineering, Xiamen University, Xiamen 361005, China