1. Department of Chemistry, School of Science, Tianjin Key Laboratory of Molecular Optoelectronic Sciences Tianjin University and Collaborative Innovation Center of Chemical Science and Engineering Tianjin P. R. China
2. Institute of Molecular Plus Tianjin University Tianjin P. R. China
3. Faculty of Science Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University Binhai New City Fuzhou 350207 China
4. Beijing National Laboratory for Molecular Sciences CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing P. R. China
5. School of Chemical Sciences University of Chinese Academy of Sciences Beijing P. R. China