1. College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, P. R. China
2. Department of Chemistry & Biochemistry, California State University Northridge, Northridge, CA, 91330, USA
3. School of Physics and Engineering, and Henan Key Laboratory of Photoelectric Energy Storage Materials and Applications, Henan University of Science and Technology, Luoyang 471003, P. R. China
4. State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, P. R. China
5. School of Physical Science and Technology, Key Laboratory of Advanced Technologies of Materials, Ministry of Education of China, Southwest Jiaotong University, Chengdu 610031, P. R. China
6. School of Physics and Physical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
7. Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, P. R. China
8. School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, P. R. China