1. Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
2. College of Chemistry, Fuzhou University, Fuzhou 350108, P. R. China
3. College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, P. R. China
4. Departments of Chemical and Petroleum Engineering, University of Wyoming, Laramie, Wyoming 82071, United States