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Large‐Scale Hierarchically Structured Conjugated Polymer Assemblies with Enhanced Electrical Conductivity
Author(s) -
Han Wei,
He Ming,
Byun Myunghwan,
Li Bo,
Lin Zhiqun
Publication year - 2013
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201209632
Subject(s) - conjugated system , crystallinity , materials science , copolymer , polymer , annealing (glass) , electrical resistivity and conductivity , chemical engineering , conductivity , monomer , nanotechnology , polymer chemistry , polythiophene , conductive polymer , composite material , chemistry , engineering , electrical engineering
Stripes on a plane : A set of highly ordered microscopic stripes (purple; see scheme) were produced over a large area by using controlled evaporative self‐assembly in a cylinder‐on‐Si geometry of conjugated homopolymers or all‐conjugated diblock copolymer (P3BHT). The crystallinity of the as‐prepared assemblies of P3BHT was greatly improved following chloroform vapor annealing, resulting in a fourfold increase in electrical conductivity.
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