Journal
POLYMER SCIENCE SERIES B
Volume 48, Issue 6, Pages 331-334Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1560090406110066
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Composite systems prepared via polymerization of pyrrole on PE porous films were studied by conductivity measurements and FTIR spectroscopy. The conductivity of samples was varied via dedoping of polypyrrole. The low-frequency edges of electronic absorption bands of quasi-particles responsible for the conductivity in polypyrrole appear in the IR spectral region. The total absorption is observed in the region of 650-15000 cm(-1) for the samples with a conductivity of 1-10 S/cm. A correlation was revealed between the position of the total absorption edge and the conductivity: the total absorption edge shifts to higher frequencies with a decrease in conductivity. On the basis of the data obtained, a model of the electronic structure of conductive polypyrrole is proposed.
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