1. Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
2. Chengdu lepan Environmental Protection Technology CO. Ltd, Chengdu, Sichuan 610000, China
3. Chongqing’s University Key Laboratory of Optoelectronic Materials and Engineering, College of Physics and Electronic Engineering, Chongqing Normal University, Chongqing 401331, China