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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Sociedade Brasileira de Química
2009-01-01
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Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000500029 |
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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 |
work_keys_str_mv |
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