TY - JOUR
T1 - Raman studies of doped polythiophene and the radical cation and dication of quinquethiophene
AU - Furukawa, Yukio
AU - Yokonuma, Nami
AU - Tasum, Mitsuo
AU - Kuroda, Masami
AU - Nakayama, Juzo
N1 - Funding Information:
This work was supported in part by a Grant-in-Aid for Scientific Research (No. 01430004) and a Grant-in-Aid for Developmental Scientific Research (No. 638400 14) from the Ministry of Education, Science, and Culture. One of the authors (YF) acknowledges a Grant-in Aid for Encouragement of Young Scientists (No. 03854050) from the same Ministry.
PY - 1994/11
Y1 - 1994/11
N2 - The near-infrared Raman and electronic absorption spectra of an as-polymerized BF4˜-doped polythiophene film have been measured and analyzed by referring to the data of the radical cation and dication of a-quinquethiophene, which are models of a positive polaron and a positive bipolaron, respectively. Similarities between the Raman spectrum of doped polythiophene and that of the radical cation suggest that the observed Raman bands of the doped polymer arise from positive polarons. It is shown that the two characteristic bands in the electronic absorption spectrum of the doped polymer are assignable to positive polarons.
AB - The near-infrared Raman and electronic absorption spectra of an as-polymerized BF4˜-doped polythiophene film have been measured and analyzed by referring to the data of the radical cation and dication of a-quinquethiophene, which are models of a positive polaron and a positive bipolaron, respectively. Similarities between the Raman spectrum of doped polythiophene and that of the radical cation suggest that the observed Raman bands of the doped polymer arise from positive polarons. It is shown that the two characteristic bands in the electronic absorption spectrum of the doped polymer are assignable to positive polarons.
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U2 - 10.1080/10587259408039238
DO - 10.1080/10587259408039238
M3 - Article
AN - SCOPUS:84972924195
VL - 256
SP - 113
EP - 120
JO - Molecular Crystals and Liquid Crystals
JF - Molecular Crystals and Liquid Crystals
SN - 1542-1406
IS - 1
ER -