1. Institute of Advanced Materials (IAM)
2. Nanjing University of Posts & Telecommunications (NUPT)
3. Nanjing 210023
4. P. R. China
5. Institute of Polymer Optoelectronic Materials and Devices
6. State Key Laboratory of Luminescent Materials and Devices
7. South China University of Technology
8. Guangzhou 510640
9. Key Laboratory for Organic Electronics and Information Displays