1. College of Chemistry, Beijing Normal University, No. 19, XinJieKouWai Street, HaiDian District, Beijing 100875, P. R. China
2. Department of Chemistry, The University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas 78712-1224, United States
3. Hubei Key Laboratory of Pollutant Analysis and Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, P. R. China