1. School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, P. R. China
2. State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P. R. China
3. School of Chemical and Environmental Engineering, and Collaborative Innovation Center for High Value Transformation of Coal Chemical Process By-products, Xinjiang Institute of Engineering, Xinjiang 830091, P. R. China