Williams, P. E. (Paul E.), Moughton, Adam O., Patterson, Joseph P., Khodabakhsh, Saghar and O'Reilly, Rachel K. (2011) Exploring RAFT polymerization for the synthesis of bipolar diblock copolymers and their supramolecular self-assembly. Polymer Chemistry, Vol.2 (No.3). pp. 720-729. doi:10.1039/c0py00359j ISSN 1759-9954.

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Abstract

Until recently, the primary controlled radical polymerization (CRP) technique used to synthesize side chain semi-conducting block copolymers from vinyl monomer species has been nitroxide-mediated polymerization (NMP). The potential exploitation of reversible addition fragmentation chain transfer (RAFT) polymerization for the preparation of semi-conducting diblocks has not yet been fully realized. In this work a trithiocarbonate chain transfer agent (CTA) has been shown to polymerize both hole transporting (HT) monomers m-vinyltriphenyl amine and p-vinyltriphenyl amine and also a new fluorinated triphenylamine monomer for the first time, affording both homopolymers and diblock copolymers with good control over molecular weight (Mn) and narrow polydispersities (Mw/Mn). The electronic properties of these blocks and diblocks were explored using UV-vis and cyclic voltammetry analysis. The selective self-assembly of these diblocks into solution nanostructures has been explored and characterized by DLS and TEM analysis.

Item Type:	Journal Article
Subjects:	Q Science > QD Chemistry
Divisions:	Faculty of Science, Engineering and Medicine > Science > Chemistry
Library of Congress Subject Headings (LCSH):	Block copolymers, Polymerization, Self-assembly (Chemistry), Supramolecular chemistry, Monomers
Journal or Publication Title:	Polymer Chemistry
Publisher:	Royal Society of Chemistry
ISSN:	1759-9954
Official Date:	March 2011
Dates:	Date Event March 2011 Published
Volume:	Vol.2
Number:	No.3
Page Range:	pp. 720-729
DOI:	10.1039/c0py00359j
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	Engineering and Physical Sciences Research Council (EPSRC), Royal Society (Great Britain), Emmanuel College (University of Cambridge), University of Cambridge. Interdisciplinary Research Centre in Nanotechnology, University of Warwick

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