1. Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, P. R. China
2. College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, P. R. China
3. Shenzhen BTR New Material Group Company, Limited, High-Tech Industrial Park, Xitian, Gongming Town, Guangming New District Shenzhen 518000, P. R. China
4. College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, P. R. China