Dk. Wang et al., POLARIZED RESONANCE RAMAN-SCATTERING OF IODINE-DOPED POLYACETYLENE WITH HIGH-CONDUCTIVITY, Synthetic metals, 65(2-3), 1994, pp. 117-122
We investigated the structure and alignment of iodine dopant in the hi
ghly conducting polyacetylene (HCPA) with different doping concentrati
on by using polarized resonance Raman spectroscopy (PRRS). It was foun
d for the first time that the I3- species is predominant in the highly
stretched HCPA film even for the highly doping level ((CHI0.25)x), in
contrast with traditional polyacetylene. We also observed that the in
tensity ratio of I3-/I5- and the orientation of I3- species increase g
reatly with increasing initial draw ratio of the polyacetylene films.