1. Jiangxi Engineering Laboratory of Waterborne Coatings, Jiangxi Science and Technology Normal University, Nanchang 330013, P. R. China
2. Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, P. R. China
3. College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China