Affiliation: | 1. Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), , Beijing, 100190 P. R. China;2. Heeger Beijing Research and Development Center, Beihang University, , Beijing, 100191 P. R. China;3. Department of Chemistry and Biochemistry, Department of Physics, Materials Department, University of California, , Santa Barbara, CA, 93106 USA |