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The vibrational features of conducting polymers have proved to be very suitable to characterize the conducting state, since they are directly related to the electronic configuration. We present a vibrational study (experimental measurements and dynamical calculations) of emeraldine salt (ES), the conducting form of polyaniline. In addition, similar analysis is proposed on some oligomers and their...
We purpose to study the electronic structure modifications induced by p type doping of poly(p-phenylene vinylene) (PPV). PPV is obtained by thermal and photochemical conversion of tetrahydrothiophenium precursor. These both polymers have some differences in their conjugation length distribution. The resonant Raman spectra analysis coupled to a dynamic model permits us to describe vibrational modes...
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