title: Conductive polymer brushes of regioregular head-to-tail poly(3-alkylthiophenes) via catalyst-transfer surface-initiated polycondensation.
abstract: We describe a new method to grow conductive polymer (CP) brushes of regioregular head-to-tail poly(3-alkylthiophenes) (P3AT) via surface-initiated polycondensation of 2-bromo-5-chloromagnesio-3-alkylthiophene. A simple procedure for the preparation of the Ni(II) macroinitiator by the reaction of Ni(PPh3)4 with photocross-linked poly-4-bromostyrene films was developed. Exposure of the initiator layers to the monomer solution leads to selective chain growth polycondensation of the monomer from the surface, resulting in P3AT brushes in a very economical way. In contrast to the P3AT films prepared by traditional solvent casting methods, our approach leads to mechanically robust CP films, stable against delamination. We believe that our approach will be helpful in the fabrication of all-plastic devices.
authors.affiliation: Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Strasse 6, 01069 Dresden, Germany.
authors.forename: Volodymyr
authors.initials: V
authors.lastname: Senkovskyy
authors.forename: Natalya
authors.initials: N
authors.lastname: Khanduyeva
authors.forename: Hartmut
authors.initials: H
authors.lastname: Komber
authors.forename: Ulrich
authors.initials: U
authors.lastname: Oertel
authors.forename: Manfred
authors.initials: M
authors.lastname: Stamm
authors.forename: Dirk
authors.initials: D
authors.lastname: Kuckling
authors.forename: Anton
authors.initials: A
authors.lastname: Kiriy