1. SCNU-TUE Joint Lab of Device Integrated Responsive Materials (DIRM); National Center for International Research on Green Optoelectronics; South China Normal University; Guangzhou 510006 P. R. China
2. Laboratory of Functional Organic Materials and Devices (SFD); Department of Chemical Engineering and Chemistry; Eindhoven University of Technology; Groene Loper 5 5612 AE Eindhoven The Netherlands
3. Institute for Complex Molecular Systems (ICMS); Eindhoven University of Technology; Groene Loper 5 5612 AE Eindhoven The Netherlands
4. Shenzhen Guohua Optoelectronics Tech. Co. Ltd.; Shenzhen 518110 China