1. Tianjin Key Laboratory of Molecular Optoelectronic Sciences Department of Chemistry School of Science Tianjin University & Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Tianjin 300072 P. R. China
2. Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University Binhai New City Fuzhou 350207 P. R. China
3. College of Science Civil Aviation University of China Tianjin 300300 P. R. China
4. Institute of Molecular Aggregation Science Tianjin University Tianjin 300072 P. R. China