1. Center of Eco-material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, People’s Republic of China
2. College of Materials Science and Engineering, Beifang University of Nationalities, Yinchuan, People’s Republic of China
3. Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, People’s Republic of China