1. Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, P. R. China
2. College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, P. R. China
3. Advanced Materials and Liquid Crystal Institute, Kent State University, Kent, OH, USA
4. Key Laboratory of Luminescent Materials and Devices, Center for Aggregation-Induced Emission, Guangzhou International Campus, South China University of Technology (SCUT), Guangzhou 510640, P. R. China
5. College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China