1. College of Chemistry, Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education, Beijing Normal University, Beijing 100875, P. R. China
2. Center for Advanced Materials Research & College of Arts and Sciences, Beijing Normal University, Zhuhai 519087, P. R. China
3. Chemical Engineering and Technology, School of Water and Environment, Chang’an University, Xi’an 710064, P. R. China