1. School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang 621010, China
2. School of Chemistry, South China Normal University, Guangzhou, 510006, China
3. College of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China
4. Center for Computational Quantum Chemistry, University of Georgia, Athens, GA 30602, USA