1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
2. Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
3. University of the Chinese Academy of Sciences, Beijing 100049, China
4. National Laboratory of Solid State Microstructures, School of Electronic Science and Engineering, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
5. Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, P. R. China