1. Flexible Electronics Innovation Institute
2. Jiangxi Science and Technology Normal University
3. Nanchang 330013
4. P. R. China
5. Institute of Polymer Optoelectronic Materials and Devices
6. State Key Laboratory of Luminescent Materials and Devices
7. South China University of Technology
8. Guangzhou 510640
9. School of Chemistry and Molecular Engineering
10. Qingdao University of Science and Technology
11. Qingdao 266042