1. Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Organic
Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
2. University of Chinese Academy of Sciences, Beijing 100049, China
3. Heeger
Beijing Research and Development Center, School of Chemistry and Environment, Beihang University, Beijing 100191, China
4. State
Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China
5. Institute for Solid State Theory and Center for Multiscale Theory & Computation, University of Muenster, Wilhelm-Klemm-Strasse 10, 48149 Muenster, Germany
6. Department
of Chemistry, Capital Normal University, Beijing 100048, China