1. State Key Laboratory of Structure ChemistryFujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fuzhou Fuzhou Fujian 350002 P. R. China
2. School of Chemistry and Chemical EngineeringUniversity of Chinese Academy of Sciences Beijing 100049 P. R. China
3. School of Physical Science and TechnologyShanghaiTech University Shanghai 201210 P. R. China
4. Organic Optoelectronics Engineering Research Center of Fujian's UniversitiesCollege of Electronics and Information ScienceFujian Jiangxia University Fuzhou Fujian 350002 P. R. China