1. Chongqing Key Laboratory of Catalysis and New Environmental Materials, College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, P. R. China
2. College of Architecture and Environment, Sichuan University, Chengdu, Sichuan 610065, P. R. China
3. Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
4. Department of Chemistry, Institute for Computational Engineering and Sciences, University of Texas at Austin, Austin, Texas 78712-0165, United States