1. State Key Laboratory of Luminescent Materials and Devices Institute of Polymer Optoelectronic Materials and Devices Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates South China University of Technology Guangzhou 510640 P. R. China
2. Zhengzhou Academician Workstation for Organic Functional Materials School of Chemical Engineering & Food Zhengzhou University of Technology Zhengzhou 450044 P. R. China