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Article Dans Une Revue Catalysis Today Année : 2014

Cyclodextrin-based systems for the stabilization of metallic(0) nanoparticles and their versatile applications in catalysis

Résumé

In order to better respond to environmental standards, the development of metal nanoparticles using green approaches has exponentially grown for the last decade. Cyclodextrins, which are cyclic oligosaccharides composed of 6(α), 7(β) or 8(γ) glucopyranose units, have appeared to be interesting candidates for the synthesis of metal nanoparticles. Indeed, through the ability to form inclusion complexes or supramolecular adducts with organic molecules or metal precursors, cyclodextrins can be successfully employed to stabilize size-controlled zerovalent metallic nanoparticles active for hydrogenation reactions carried out in aqueous or gas-phase media. In this summary of our works, we report that cyclodextrins could be used in various forms and environments: (i) in free form, (ii) in complexed form with appropriate guests molecules, (iii) in combination with polymer matrices, (iv) in thermosensitive hydrogels and (v) immobilized onto porous carbons supports. All these studies highlight the fact that cyclodextrins can be seen as multi-task agents for nanocatalysis.

Domaines

Chimie organique
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Dates et versions

hal-01060956 , version 1 (04-09-2014)

Identifiants

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Sébastien Noël, Bastien Léger, Anne Ponchel, Karine Philippot, Audrey Denicourt-Nowicki, et al.. Cyclodextrin-based systems for the stabilization of metallic(0) nanoparticles and their versatile applications in catalysis. Catalysis Today, 2014, 235, pp.20 - 32. ⟨10.1016/j.cattod.2014.03.030⟩. ⟨hal-01060956⟩
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