NickelMaghrebV1, France, Analysis, bibRecord, 000354

Electrocatalytic hydrogenation of ketones and enones at nickel microparticles dispersed into poly(pyrrole-alkylammonium) films

Identifieur interne : 000354 ( France/Analysis ); précédent : 000353; suivant : 000355

Electrocatalytic hydrogenation of ketones and enones at nickel microparticles dispersed into poly(pyrrole-alkylammonium) films

Auteurs : Ahmed Zouaoui [France] ; Olivier Stéphan [France] ; Ali Ourari [Algérie] ; Jean-Claude Moutet [France]

Source :

Electrochimica Acta [ 0013-4686 ] ; 2000.

RBID : ISTEX:E871F2410DFF513C125E264D24F2E4E4C02DEEF7

Descripteurs français

Pascal (Inist)
- Ammonium quaternaire polymère, Borique acide, Cyclohexane dérivé, Cyclohexanone, Cyclohexénone, Cétone, Electrocatalyse, Electrode carbone, Enone, Etat dispersé, Etude expérimentale, Hydrogénation, Matériau modifié, Microscopie électronique balayage, Morphologie, Mécanisme réaction, Nickel, Nickel Sulfate, Oxalate, Polymère conducteur, Polyélectrolyte, Pyrrole dérivé polymère, Réaction électrochimique, Réduction chimique, Sodium Composé, Solution acide, Structure surface, Support catalyseur.
Wicri :
- topic : Nickel.

English descriptors

KwdEn :
- Acidic solution, Boric acid, Carbon electrode, Catalyst support, Chemical reduction, Conducting polymers, Cyclohexane derivatives, Dispersed state, Electrocatalysis, Electrocatalytic hydrogenation, Electrochemical reaction, Enone, Experimental study, Functionalized polypyrrole, Hydrogenation, Ketone, Modified electrode, Modified material, Morphology, Nickel, Nickel Sulfates, Oxalate, Polyelectrolyte, Pyrrole derivative polymer, Quaternary ammonium polymer, Reaction mechanism, Scanning electron microscopy, Sodium Compounds, Surface structure.

Abstract

Nickel microparticles have been dispersed in conducting anion-exchange polymer films coated on carbon electrodes by oxidative electropolymerization of a pyrrole-alkylammonium monomer. Incorporation of nickel metal in polymeric films was effected by electroreduction of polymer coated electrodes in aqueous electrolytes containing nickel-oxalate complexes. The metal deposition process was examined by voltamperometry. Scanning electron microscopy showed a dispersion of metal particles with sizes ranging from 700 to 1200 nm. The electrocatalytic hydrogenation of a variety of cyclohexanones and cyclohexenones at these electrode materials was performed with good current and product yields.

Url:

https://api.istex.fr/document/E871F2410DFF513C125E264D24F2E4E4C02DEEF7/fulltext/pdf

DOI: 10.1016/S0013-4686(00)00533-8

Affiliations:

Links to Exploration step

ISTEX:E871F2410DFF513C125E264D24F2E4E4C02DEEF7

Le document en format XML

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<term>Cyclohexane derivatives</term>
<term>Dispersed state</term>
<term>Electrocatalysis</term>
<term>Electrocatalytic hydrogenation</term>
<term>Electrochemical reaction</term>
<term>Enone</term>
<term>Experimental study</term>
<term>Functionalized polypyrrole</term>
<term>Hydrogenation</term>
<term>Ketone</term>
<term>Modified electrode</term>
<term>Modified material</term>
<term>Morphology</term>
<term>Nickel</term>
<term>Nickel Sulfates</term>
<term>Oxalate</term>
<term>Polyelectrolyte</term>
<term>Pyrrole derivative polymer</term>
<term>Quaternary ammonium polymer</term>
<term>Reaction mechanism</term>
<term>Scanning electron microscopy</term>
<term>Sodium Compounds</term>
<term>Surface structure</term>
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<term>Cyclohexanone</term>
<term>Cyclohexénone</term>
<term>Cétone</term>
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<term>Electrode carbone</term>
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<term>Etude expérimentale</term>
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<term>Matériau modifié</term>
<term>Microscopie électronique balayage</term>
<term>Morphologie</term>
<term>Mécanisme réaction</term>
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<term>Nickel Sulfate</term>
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<term>Pyrrole dérivé polymère</term>
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<front><div type="abstract" xml:lang="en">Nickel microparticles have been dispersed in conducting anion-exchange polymer films coated on carbon electrodes by oxidative electropolymerization of a pyrrole-alkylammonium monomer. Incorporation of nickel metal in polymeric films was effected by electroreduction of polymer coated electrodes in aqueous electrolytes containing nickel-oxalate complexes. The metal deposition process was examined by voltamperometry. Scanning electron microscopy showed a dispersion of metal particles with sizes ranging from 700 to 1200 nm. The electrocatalytic hydrogenation of a variety of cyclohexanones and cyclohexenones at these electrode materials was performed with good current and product yields.</div>
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Serveur d'exploration sur le nickel au Maghreb

Electrocatalytic hydrogenation of ketones and enones at nickel microparticles dispersed into poly(pyrrole-alkylammonium) films

Electrocatalytic hydrogenation of ketones and enones at nickel microparticles dispersed into poly(pyrrole-alkylammonium) films

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	Serveur d'exploration sur le nickel au Maghreb
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