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Facile Synthesis of Spherical Polyelectrolyte Brushes as Carriers for Conducting Polymers to be Used in Plastic Electronics
Author(s) -
Wang Jianjun,
Sun Ling,
Mpoukouvalas Konstantinos,
Fassbender Birgit,
Bonaccurso Elmar,
Brunklaus Gunther,
Muehlebach Andreas,
Rime François,
Butt HansJuergen,
Wegner Gerhard
Publication year - 2009
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.200900199
Subject(s) - polyelectrolyte , materials science , copolymer , styrene , polymer , polymer chemistry , conductive polymer , dielectric spectroscopy , polypyrrole , chemical engineering , sulfonate , nanotechnology , electrochemistry , composite material , chemistry , sodium , polymerization , electrode , engineering , metallurgy
A two‐step method for the preparation of spherical polyelectrolyte brushes (SPBs) has been developed. Copolymerization of styrene and divinyl benzene at the particle surface resulted in a large number of accessible vinyl groups. These vinyl groups reacted with sodium styrene sulfonate to give SPBs. The SPBs were used as carriers for conducting polymers resulting in redispersible conducting inks with good film forming properties. Direct current (DC) conductivity of the polypyrrole (PPy) loaded samples showed a percolating behavior as probed by impedance spectroscopy. Finally, device performance of organic light‐emitting diodes based on the conducting thin films assembled from the PPy loaded particles was tested.