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Proceedings Paper

Synthesis and electrochemical FTIR study of Pd-based nanostructured catalysts
Author(s): Aicheng Chen; Robert M. Asmussen; Shuai Chen; Christina Asmussen; Rachelle Laurin
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Paper Abstract

Palladium-based nanomaterials with high surface areas have been receiving great attention due to their unique properties, which enable a number of impressive applications in catalysis, fuel cells, hydrogen storage and chemical sensors. Recent studies have shown that the electrocatalytic performance of Pd-based nanomaterials is highly dependent on the composition, morphology and surface conditions of the synthesized materials. In this study, a variety of Pd-based nanostructured materials including nanoporous Pd networks and PdPt nanodendrites with different compositions have been synthesized using the hydrothermal method. The as-fabricated Pd-based nanostructured materials were characterized by scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS. The electrochemical properties of these Pd-based nanomaterials were studied using cyclic voltammetry and in-situ electrochemical infrared spectroscopy. Our studies have shown that the fabricated Pd-based nanostructures possess a very large surface area and high catalytic activity towards the electrochemical oxidation of formic acid. In addition, this work has demonstrated that in-situ electrochemical infrared spectroscopy is a powerful technique for the study of the nanostured interface.

Paper Details

Date Published: 16 September 2011
PDF: 7 pages
Proc. SPIE 8098, Physical Chemistry of Interfaces and Nanomaterials X, 80980Y (16 September 2011); doi: 10.1117/12.893860
Show Author Affiliations
Aicheng Chen, Lakehead Univ. (Canada)
Robert M. Asmussen, Lakehead Univ. (Canada)
Shuai Chen, Lakehead Univ. (Canada)
Christina Asmussen, Lakehead Univ. (Canada)
Rachelle Laurin, Lakehead Univ. (Canada)

Published in SPIE Proceedings Vol. 8098:
Physical Chemistry of Interfaces and Nanomaterials X
Carlos Silva, Editor(s)

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