Hidrogenação eletrocatalítica de substratos orgânicos utilizando eletrodos modificados poliméricos contendo partículas de Ni/Pd e Ni/Pt Electrocatalytic hydrogenation of organic substrates on polymer modified electrodes embedding Ni/Pd and Ni/Pt particles

<abstract language="eng">Novel modified electrodes bearing dispersed Pd and Pt particles have been prepared from poly (allyl ether of the p-benzenesulfonic acid) films with incorporated nickel particles making use of galvanic displacement reactions. The SEM analysis of the new modifi...

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Main Authors: Fabiana L. S. Purgato, José R. Romero, Luisa M. Abrantes
Format: Article
Language:English
Published: Sociedade Brasileira de Química 2009-01-01
Series:Química Nova
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000500029
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spelling doaj-9507df8f88fe4b65977cc80f34dbfc4b2020-11-25T02:30:53ZengSociedade Brasileira de QuímicaQuímica Nova0100-40421678-70642009-01-013251235123810.1590/S0100-40422009000500029Hidrogenação eletrocatalítica de substratos orgânicos utilizando eletrodos modificados poliméricos contendo partículas de Ni/Pd e Ni/Pt Electrocatalytic hydrogenation of organic substrates on polymer modified electrodes embedding Ni/Pd and Ni/Pt particlesFabiana L. S. PurgatoJosé R. RomeroLuisa M. Abrantes<abstract language="eng">Novel modified electrodes bearing dispersed Pd and Pt particles have been prepared from poly (allyl ether of the p-benzenesulfonic acid) films with incorporated nickel particles making use of galvanic displacement reactions. The SEM analysis of the new modified electrodes revealed efficient deposition of Pd but weak up-take of Pt. Electrocatalytic hydrogenation of several classes of organic substrates were carried out using the MEs Ni, Ni/Pd and Ni/Pt. The Ni/Pd ME showed to be the best of them for the hydrogenation of double, triple and carbonyl bonds. The complete hydrogenation of the aromatic rings for the well-adsorbed substrates acetophenone and benzophenone is noteworthy.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000500029modified electrodepalladium and platinum particlescomplete aromatic hydrogenation
collection DOAJ
language English
format Article
sources DOAJ
author Fabiana L. S. Purgato
José R. Romero
Luisa M. Abrantes
spellingShingle Fabiana L. S. Purgato
José R. Romero
Luisa M. Abrantes
Hidrogenação eletrocatalítica de substratos orgânicos utilizando eletrodos modificados poliméricos contendo partículas de Ni/Pd e Ni/Pt Electrocatalytic hydrogenation of organic substrates on polymer modified electrodes embedding Ni/Pd and Ni/Pt particles
Química Nova
modified electrode
palladium and platinum particles
complete aromatic hydrogenation
author_facet Fabiana L. S. Purgato
José R. Romero
Luisa M. Abrantes
author_sort Fabiana L. S. Purgato
title Hidrogenação eletrocatalítica de substratos orgânicos utilizando eletrodos modificados poliméricos contendo partículas de Ni/Pd e Ni/Pt Electrocatalytic hydrogenation of organic substrates on polymer modified electrodes embedding Ni/Pd and Ni/Pt particles
title_short Hidrogenação eletrocatalítica de substratos orgânicos utilizando eletrodos modificados poliméricos contendo partículas de Ni/Pd e Ni/Pt Electrocatalytic hydrogenation of organic substrates on polymer modified electrodes embedding Ni/Pd and Ni/Pt particles
title_full Hidrogenação eletrocatalítica de substratos orgânicos utilizando eletrodos modificados poliméricos contendo partículas de Ni/Pd e Ni/Pt Electrocatalytic hydrogenation of organic substrates on polymer modified electrodes embedding Ni/Pd and Ni/Pt particles
title_fullStr Hidrogenação eletrocatalítica de substratos orgânicos utilizando eletrodos modificados poliméricos contendo partículas de Ni/Pd e Ni/Pt Electrocatalytic hydrogenation of organic substrates on polymer modified electrodes embedding Ni/Pd and Ni/Pt particles
title_full_unstemmed Hidrogenação eletrocatalítica de substratos orgânicos utilizando eletrodos modificados poliméricos contendo partículas de Ni/Pd e Ni/Pt Electrocatalytic hydrogenation of organic substrates on polymer modified electrodes embedding Ni/Pd and Ni/Pt particles
title_sort hidrogenação eletrocatalítica de substratos orgânicos utilizando eletrodos modificados poliméricos contendo partículas de ni/pd e ni/pt electrocatalytic hydrogenation of organic substrates on polymer modified electrodes embedding ni/pd and ni/pt particles
publisher Sociedade Brasileira de Química
series Química Nova
issn 0100-4042
1678-7064
publishDate 2009-01-01
description <abstract language="eng">Novel modified electrodes bearing dispersed Pd and Pt particles have been prepared from poly (allyl ether of the p-benzenesulfonic acid) films with incorporated nickel particles making use of galvanic displacement reactions. The SEM analysis of the new modified electrodes revealed efficient deposition of Pd but weak up-take of Pt. Electrocatalytic hydrogenation of several classes of organic substrates were carried out using the MEs Ni, Ni/Pd and Ni/Pt. The Ni/Pd ME showed to be the best of them for the hydrogenation of double, triple and carbonyl bonds. The complete hydrogenation of the aromatic rings for the well-adsorbed substrates acetophenone and benzophenone is noteworthy.
topic modified electrode
palladium and platinum particles
complete aromatic hydrogenation
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000500029
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