1. Key Laboratory of Synthetic and Self‐Assembly Chemistry for Organic Functional Molecules Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
2. Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials School of Materials Science and Engineering Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Changzhou University Changzhou China