1. Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province
2. College of Physics and Optoelectronic Engineering
3. Shenzhen University
4. Shenzhen 518060
5. China
6. State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
7. College of Chemistry, Chemical Engineering and Materials Science
8. Soochow University
9. Suzhou
10. Department of Electrical and Electronic Engineering and Information Systems
11. The University of Tokyo
12. Tokyo
13. 113-8656 Japan