1. Key Laboratory of Organic Optoelectronics & Molecular Engineering of the Ministry of Education
2. Department of Chemistry
3. Tsinghua University
4. Beijing 100084
5. China
6. Jiangsu Key Laboratory for Chemistry of Low-dimensional Materials
7. School of Chemistry and Chemical Engineering
8. Huaiyin Normal University
9. Huaian 223300
10. School of Polymer Science and Engineering
11. Qingdao University of Science and Technology
12. Qingdao 262064