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Structure of metallo-supramolecular micellar gels

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Mugemana, Clément [UCL] Joset, A. [Université de Liège, Département de Chimie ] Guillet, P. [Université d'Avignon (France)] Appavou, M.-S. [Frorschungszentrum Julich GmbH (Germany)] De Souza, N. [Bragg Institute (Australia)] Fustin, Charles-André [UCL] Gohy, Jean-François [UCL]

A small-angle neutron scattering investigation of metallo-supramolecular micellar gels built from polystyrene-block-poly(tert-butylacrylate) PS-b-PtBA-tpy (-tpy: terpyridine) block copolymers and transition metal ions is presented. The influence of the copolymer concentration on the structure and spatial organization of the micelles, as well as the impact of the subsequent addition of metal ions (Fe(II), Ni(II), and Zn(II)) on these characteristics is extensively studied. The experimental scattering cross-sections are fitted with an analytical formula based on the Percus-Yevick hard-sphere model and on the Pedersen-Gerstenberg model for the structure and the form factor, respectively. The resulting structural information is correlated with previously performed light scattering and rheology experiments. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès restreint
Publication date 2013
Language Anglais
Journal information "Macromolecular Chemistry and Physics" - Vol. 214, no.15, p. 1699-1709 (2013)
Peer reviewed yes
issn 1022-1352
Publication status Publié
Affiliation UCL - SST/IMCN/BSMA - Bio and soft matter
Keywords Block copolymers ; Small-angle neutron scattering ; Spatial organization ; Structural information ; Terpyridines ; Block copolymers ; Gels ; Metal ions ; Neutron scattering ; Self assembly ; Supramolecular chemistry ; Micellar gels ; Zinc compounds ; Micelles ; SANS ; Self-assembly ; Terpyridine ; Copolymer concentration ; Metallo-supramolecular ; SANS ; Scattering cross section
Links
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Bibliographic reference Mugemana, Clément ; Joset, A. ; Guillet, P. ; Appavou, M.-S. ; De Souza, N. ; et. al. Structure of metallo-supramolecular micellar gels. In: Macromolecular Chemistry and Physics, Vol. 214, no.15, p. 1699-1709 (2013)
Permanent URL http://hdl.handle.net/2078.1/136947