1. Institute of Molecular Aggregation Science Tianjin University 300072 Tianjin China
2. Department of Chemistry Wuhan University 430072 Wuhan China
3. Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University, Binhai New City 350207 Fuzhou China
4. Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology 430074 Wuhan China