1. Laboratory of Bio-inspired Smart Interface Science; Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Beijing 100190 P. R. China
2. University of Chinese Academy of Science (UCAS); Beijing 100049 P. R. China
3. Beijing National Laboratory for Molecular Science (BNLMS); Key Laboratory of Organic Solids; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P. R. China
4. School of Polymer Science and Engineering; Qingdao University of Science and Technology; Qingdao 266042 P. R. China
5. Department of Chemical Engineering; Monash University; Clayton Victoria 3800 Australia
6. Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education; Beijing Key Laboratory of Bio-inspired Energy Materials and Devices; School of Chemistry and Environment; Beihang University; Beijing 100190 P. R. China
7. Heeger Beijing Research and Development Center; International Research Institute for Multidisciplinary Science; Beihang University; Beijing 100190 P. R. China