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Self-assembly of metallo-supramolecular block copolymers in thin films

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Fustin, Charles-André [UCL] Guillet, Pierre [UCL] Misner, Matthew J. Russell, Thomas P. Schubert, Ulrich S. Gohy, Jean-François [UCL]

The self-assembly of a metallo-supramolecular PS-[Ru]-PEO block copolymer, where -[Ru]- is a bis-2,2':6',2 ''-terpyridine-ruthenium(II) complex, in thin films was investigated. Metallo-supramolecular copolymers exhibit a different behavior as compared to their covalent counterparts. The presence of the charged complex at the junction of the two blocks has a strong impact on the self-assembly, effecting the orientation of the cylinders and ordering process. Poly(ethylene oxide) cylinders oriented normal to the film surface are obtained directly regardless of the experimental conditions over a wide range of thicknesses. Exposure to polar solvent vapors can be used to improve the lateral ordering of the cylindrical microdomains. (C) 2008 Wiley Periodicals, Inc.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès restreint
Publication date 2008
Language Anglais
Journal information "Journal of Polymer Science. Part A, Polymer Chemistry" - Vol. 46, no. 14, p. 4719-4724 (2008)
Peer reviewed yes
Publisher John Wiley & Sons Inc (Hoboken)
issn 0887-624X
e-issn 1099-0518
Publication status Publié
Affiliation UCL
Keywords annealing ; self-assembly ; supramolecular copolymers ; thin films
Links
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Bibliographic reference Fustin, Charles-André ; Guillet, Pierre ; Misner, Matthew J. ; Russell, Thomas P. ; Schubert, Ulrich S. ; et. al. Self-assembly of metallo-supramolecular block copolymers in thin films. In: Journal of Polymer Science. Part A, Polymer Chemistry, Vol. 46, no. 14, p. 4719-4724 (2008)
Permanent URL http://hdl.handle.net/2078.1/36478