Materials 2010, 3(1), 741-754; doi:10.3390/ma3010741
Article

Pd0@Polyoxometalate Nanostructures as Green Electrocatalysts: Illustrative Example of Hydrogen Production

1 Groupe d’Electrochimie et de Photoélectrochime, Laboratoire de Chimie Physique, UMR 8000, CNRS, Université Paris-Sud 11, Bâtiment 350, 91405 Orsay Cedex, France 2 Laboratoire de Physico-Chimie de l'Etat Solide, ICMMO, UMR 8182, CNRS, Université Paris-Sud, Bâtiment 410, 91405 Orsay Cedex, France 3 Key Laboratory of Green Process Engineering, Institute of Process Engineering, Chinese Academy of Science, 100190, Beijing, China 4 Department of Chemistry, Lehigh University, Bethlehem, PA, 18015, USA 5 Institut Lavoisier, UMR 8180, Université de Versailles St Quentin, 45, avenue des Etats-Unis, 78035 Versailles Cedex, France
* Author to whom correspondence should be addressed.
Received: 1 December 2009; in revised form: 18 January 2010 / Accepted: 22 January 2010 / Published: 26 January 2010
(This article belongs to the Special Issue Polyoxometalate Compounds)
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Abstract: Green-chemistry type procedures were used to synthesize Pd0 nanostructures encapsulated by a vanadium-substituted Wells-Dawson-type polyoxometalate (Pd0@POM). The cyclic voltammogram run with the Pd0@POM-modified glassy carbon electrode shows well-defined waves, associated with Pd0 nanostructures and the VV/VIV redox couple. The Pd0@POM-modified electrode displayed remarkably reproducible cyclic voltammetry patterns. The hydrogen evolution reaction (HER) was selected as an illustrative example to test the electrocatalytic behavior of the electrode. The kinetic parameters of the HER show the high efficiency of the Pd0@POM-modified electrode. This is the first example of electrochemical characterization of a modified electrode based on a vanado-tungstic POM and Pd0 nanostructures.
Keywords: green chemistry; palladium nanoparticles; nanostructures; vanadium-substituted polyoxotungstate; self-assembly; hydrogen evolution reaction

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MDPI and ACS Style

Biboum, R.N.; Keita, B.; Franger, S.; Nanseu Njiki, C.P.; Zhang, G.; Zhang, J.; Liu, T.; Mbomekalle, I.-M.; Nadjo, L. Pd0@Polyoxometalate Nanostructures as Green Electrocatalysts: Illustrative Example of Hydrogen Production. Materials 2010, 3, 741-754.

AMA Style

Biboum RN, Keita B, Franger S, Nanseu Njiki CP, Zhang G, Zhang J, Liu T, Mbomekalle I-M, Nadjo L. Pd0@Polyoxometalate Nanostructures as Green Electrocatalysts: Illustrative Example of Hydrogen Production. Materials. 2010; 3(1):741-754.

Chicago/Turabian Style

Biboum, Rosa N.; Keita, Bineta; Franger, Sylvain; Nanseu Njiki, Charles P.; Zhang, Guangjin; Zhang, Jie; Liu, Tianbo; Mbomekalle, Israel-Martyr; Nadjo, Louis. 2010. "Pd0@Polyoxometalate Nanostructures as Green Electrocatalysts: Illustrative Example of Hydrogen Production." Materials 3, no. 1: 741-754.

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