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Conductivity in redox modified conducting polymers. In‐situ conductivity of poly(cyclopentadithiophenes) bearing p ‐nitrophenyl and 4‐ N ‐methylpyridinium groups
Author(s) -
Zotti Gianni,
Berlin Anna,
Pagani Giorgio,
Schiavon Gilberto,
Zecchin Sandro
Publication year - 1995
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.19950070110
Subject(s) - bipolaron , redox , materials science , conductivity , valence (chemistry) , polymer , conductive polymer , polaron , polymer chemistry , thermal conduction , electron , chemistry , organic chemistry , composite material , physics , quantum mechanics , metallurgy
Redox‐modified polythiophenes exhibiting the highest mixed‐valence conductivities of any polymer containing a pendant redox group are reported. The ordering of the polymer, in which the backbone has been oxidized to a bipolaron conducting state and the redox sites have been reduced to a mixed‐valence conducting state, encourages inter‐site hopping and results in the high conductivities. Electron interactions are shown not have an influence on the conduction.