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Issue 26, 2011
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Facile syntheses and electrocatalytic properties of porous Pd and its alloy nanospheres

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Abstract

Pd-based catalysts are of great interest both for fundamental research and applications. It still remains a challenge to develop reliable and versatile approaches to prepare Pd-based nanostructures with higher performance and better stability. In this article, a facile solution route has been developed to prepare Pd nanospheres, as well as Pd–Pt, Pd–Ag and Pd–Pt–Ag alloy nanospheres. SEM and TEM investigations revealed that the as-prepared nanospheres were three-dimensionally interconnected porous networks with primary nanoparticles as building blocks. The chemical composition of these nanospheres can be easily adjusted by controlling the molar ratio of precursors. Electrochemical measurements indicated that the electrocatalytic activity of these nanospheres towards formic acid oxidation depended on the composition of the nanospheres. By judiciously adjusting the composition of the Pd based alloy nanospheres, the performance of the Pd based catalysts, i.e., the onset potential of the formic acid oxidation, the corresponding peak current density and the ability to tolerate CO, can be optimized.

Graphical abstract: Facile syntheses and electrocatalytic properties of porous Pd and its alloy nanospheres

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Publication details

The article was received on 16 Dec 2010, accepted on 27 Apr 2011 and first published on 03 Jun 2011


Article type: Paper
DOI: 10.1039/C0JM04407E
Citation: J. Mater. Chem., 2011,21, 9620-9625
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    Facile syntheses and electrocatalytic properties of porous Pd and its alloy nanospheres

    L. Zhang, J. Zhang, Z. Jiang, S. Xie, M. Jin, X. Han, Q. Kuang, Z. Xie and L. Zheng, J. Mater. Chem., 2011, 21, 9620
    DOI: 10.1039/C0JM04407E

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