[1] College of Environment and Resources, Southwest University, Beibei ,Chongqing, 400715, China
[2] Center of Nanomaterials for Renewable Energy, State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an,710049, China
[3] School of Chemistry, University of St Andrews, Fife, KY16 9ST, United Kingdom
[4] Natl. Base of Intl. SandT Collaboration on Water Environ. Monitoring and Simulat. in Three Gorges Reservoir Reg., Chongqing, 400716, China