1. Department of Chemistry, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, Xiangtan University, Xiangtan 411105, China
2. School of Mathematics and Computational Science, Hunan University of Science and Technology, China
3. College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, Hunan Province, China
4. State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming 650093, China