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Titania/Polypyrrole Hybrid Nanocomposites Built from In-Situ Generated Organically Functionalized Nanoanatase Building Blocks

Authors

  • S. Roux,

    1. Unité de Chimie des Hauts Polymères (POLY), Université Catholique de Louvain (UCL), Croix du Sud 1, B-1348 Louvain-la-Neuve, Belgium
    2. Present address: Laboratoire de Physico-Chimie des Materiaux Luminescents CNRS UMR 5620 Université Claude Bernard, Lyon 1 Bâtiment Berthollet (731), 2e étage, F-69626, Villeurbanne Cedex, France
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  • G.J. de A.A. Soler-Illia,

    1. Laboratoire de Chimie de la Matière Condensée UMR 7574, Université Pierre et Marie Curie, 4 Place Jussieu, F-75252 Paris Cedex 05, France
    2. Present address: Unidad de Actividad Química, CNEA, Centro Atómico Constituyentes, Gral Paz 1499 (1650) San Martín, Pcia de Buenos Aires, Argentina
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  • S. Demoustier-Champagne,

    1. Unité de Chimie des Hauts Polymères (POLY), Université Catholique de Louvain (UCL), Croix du Sud 1, B-1348 Louvain-la-Neuve, Belgium
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  • P. Audebert,

    1. Laboratoire de Photophysique et de Photochimie Supramoléculaires et Macromoléculaires UMR 8531, Ecole Normale Supérieure de Cachan, 61 Av. du Président Wilson, F-94235 Cachan, France
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  • C. Sanchez

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  • The authors thank F. Warmont for the TEM pictures. G. J. A. A. S.-I. acknowledges financial help from CNRS, CONICET, and Fundación Antorchas (Argentina). S. D.-C. thanks the Belgian National Funds for Scientific Research for her research associate position. S. R. and G. J. A. A. S.-I. are equal contributors to this work.

Abstract

A bifunctional capping ligand is used to obtain pyrrol-functionalized monodispersed nanocrystalline TiO2 (anatase) particles in a single step. The pyrrole functionalities in the shell are then (electro)chemically polymerized to create a polypyrrole (PPy)/TiO2 hybrid nanocomposite film (see Figure). Further electronic modification of the conducting polymer is possible, leading to a great variety of potential applications.

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