1 School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China.
2 Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, China.
3 Key Laboratory of Advanced Display and System Applications of Ministry of Education, Shanghai University, Shanghai, China.
4 School of Energy and Chemical Engineering, Xiamen University Malaysia, Sepang, Malaysia.