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Charge transport and molecular dynamics in columnar stacks of liquid crystalline phthalocyanine derivatives
Author(s) -
Groothues Herbert,
Kremer Friedrich,
Schouten Pieter G.,
Warman John M.
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.19950070307
Subject(s) - materials science , chemical physics , discotic liquid crystal , conductivity , phthalocyanine , molecular dynamics , relaxation (psychology) , organic semiconductor , dielectric , semiconductor , charge (physics) , liquid crystal , phase transition , phase (matter) , condensed matter physics , nanotechnology , chemistry , optoelectronics , computational chemistry , organic chemistry , psychology , social psychology , physics , quantum mechanics
Broadband dielectric spectroscopy has been employed to study the electric charge transport and molecular dynamics in columnar stacks of liquid crystalline phthalocyanine derivatives, materials which are of interest as one‐dimensional semiconductors or as photoconductors. Three relaxation processes and a conductivity contribution have been identified and it is concluded that the solid‐to‐liquid crystalline phase transition has no influence on the temperature dependence of the conductivity.