Poly(ionic liquid) and macrocyclic polyoxometalate ionic self-assemblies: new water-insoluble and visible light photosensitive catalysts

Rosa Ngo Biboum; Floriant Doungmene; Bineta Keita; Pedro de Oliveira; Louis Nadjo; Bénédicte Lepoittevin; Philippe Roger; François Brisset; Pierre Mialane; Anne Dolbecq; Israel M. Mbomekalle; Céline Pichon; Panchao Yin; Tianbo Liu; Roland Contant

doi:10.1039/C1JM14573H

Poly(ionic liquid) and macrocyclic polyoxometalate ionic self-assemblies: new water-insoluble and visible light photosensitive catalysts†

Rosa Ngo Biboum,^a Floriant Doungmene,^a Bineta Keita,*^a Pedro de Oliveira,^a Louis Nadjo,^a Bénédicte Lepoittevin,*^b Philippe Roger,^b François Brisset,^c Pierre Mialane,*^d Anne Dolbecq,^d Israel M. Mbomekalle,^d Céline Pichon,^e Panchao Yin,^e Tianbo Liu^e and Roland Contant ‡

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^a Laboratoire de Chimie Physique, Groupe d'Electrochimie et de Photoélectrochimie, UMR 8000, CNRS, Université Université Paris-Sud 11, Bâtiment 350, Orsay Cedex, France
E-mail: bineta.keita@u-psud.fr

^b Laboratoire de Chimie Organique Multifonctionnelle, Equipe Glycochimie Moléculaire et Macromoléculaire Institut de Chimie Moléculaire et des Matériaux d'Orsay UMR 8182, CNRS Université Paris-Sud 11, Bâtiment 420, Orsay Cedex, France

^c Institut de Chimie Moléculaire et des Matériaux d'Orsay, UMR 8182 CNRS, Université Paris-Sud XI, Orsay Cedex, France

^d Institut Lavoisier de Versailles, UMR 8180, Université de Versailles Saint-Quentin en Yvelines, 45 Avenue des Etats-Unis, Versailles Cedex, France

^e Department of Chemistry Lehigh University, Bethlehem, PA, USA

Abstract

Several poly(ionic liquid)s (PILs) were synthesized and assembled with a multielectronic-process sustaining polyoxometalate (POM) into new green and water-insoluble nanomaterials (POM@PILs). They are visible light photosensitive, unlike their two components. A synergic effect was highlighted for the first time. POM@PILs achieve complete photodegradation of AO7 in aerobic media. The photocatalysts were recoverable and recyclable.

Journal of Materials Chemistry

Poly(ionic liquid) and macrocyclic polyoxometalate ionic self-assemblies: new water-insoluble and visible light photosensitive catalysts†

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Poly(ionic liquid) and macrocyclic polyoxometalate ionic self-assemblies: new water-insoluble and visible light photosensitive catalysts

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