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Abstract:

Sequential adsorption of PdCl42- within weak polyelectrolyte layer-by-layer (LbL) self-assembled multilayer films with further electrochemical reduction to yield Pd0 nanoparticles (Pd-NPs) has been demonstrated. The electrocatalytic hydrogenation (ECH) of model molecules such as acetophenone and benzophenone on Pd-NPs of different sizes (6 to 35 nm) and bulk Pd crystal surface in hydroalcoholic acid solution has been investigated. Distribution of reaction products (secondary alcohols and alkanes) and faradaic yield was systematically investigated. While the polyelectrolyte multilayers act as nanoreactors by confining PdCl42- ions and preventing the formation of large crystals, their presence also alters the hydrogenation reaction and therefore heat treated surfaces showed only the effect of nanocrystal size on the reaction selectivity and faradaic yield. This journal is © the Owner Societies.

Registro:

Documento: Artículo
Título:Selective electrocatalytic hydrogenation using palladium nanoparticles electrochemically formed in layer-by-layer multilayer films
Autor:Villalba, M.; Bossi, M.L.; Calvo, E.J.
Filiación:INQUIMAE, Departamento de Química, Universidad de Buenos Aires, Buenos Aires, Argentina
Palabras clave:acetophenone; acetophenone derivative; benzophenone; benzophenone derivative; nanoparticle; palladium; catalysis; chemistry; electrochemistry; hydrogenation; particle size; surface property; Acetophenones; Benzophenones; Catalysis; Electrochemistry; Hydrogenation; Nanoparticles; Palladium; Particle Size; Surface Properties
Año:2015
Volumen:17
Número:15
Página de inicio:10086
Página de fin:10092
DOI: http://dx.doi.org/10.1039/c5cp00225g
Título revista:Physical Chemistry Chemical Physics
Título revista abreviado:Phys. Chem. Chem. Phys.
ISSN:14639076
CODEN:PPCPF
CAS:acetophenone, 98-86-2; benzophenone, 119-61-9; acetophenone; Acetophenones; benzophenone; Benzophenones; Palladium
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14639076_v17_n15_p10086_Villalba

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Citas:

---------- APA ----------
Villalba, M., Bossi, M.L. & Calvo, E.J. (2015) . Selective electrocatalytic hydrogenation using palladium nanoparticles electrochemically formed in layer-by-layer multilayer films. Physical Chemistry Chemical Physics, 17(15), 10086-10092.
http://dx.doi.org/10.1039/c5cp00225g
---------- CHICAGO ----------
Villalba, M., Bossi, M.L., Calvo, E.J. "Selective electrocatalytic hydrogenation using palladium nanoparticles electrochemically formed in layer-by-layer multilayer films" . Physical Chemistry Chemical Physics 17, no. 15 (2015) : 10086-10092.
http://dx.doi.org/10.1039/c5cp00225g
---------- MLA ----------
Villalba, M., Bossi, M.L., Calvo, E.J. "Selective electrocatalytic hydrogenation using palladium nanoparticles electrochemically formed in layer-by-layer multilayer films" . Physical Chemistry Chemical Physics, vol. 17, no. 15, 2015, pp. 10086-10092.
http://dx.doi.org/10.1039/c5cp00225g
---------- VANCOUVER ----------
Villalba, M., Bossi, M.L., Calvo, E.J. Selective electrocatalytic hydrogenation using palladium nanoparticles electrochemically formed in layer-by-layer multilayer films. Phys. Chem. Chem. Phys. 2015;17(15):10086-10092.
http://dx.doi.org/10.1039/c5cp00225g