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Construction of multilayers of bare and Pd modified gold nanoclusters and their electrocatalytic properties for oxygen reduction

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Title: Construction of multilayers of bare and Pd modified gold nanoclusters and their electrocatalytic properties for oxygen reduction
Authors: Harada, Motoko Browse this author
Noguchi, Hidenori Browse this author
Zanetakis, Nikolas Browse this author
Takakusagi, Satoru Browse this author
Song, Wenbo Browse this author
Uosaki, Kohei Browse this author →KAKEN DB
Keywords: gold nanocluster
self-assembled monolayer (SAM)
oxygen reduction reaction (ORR)
Issue Date: Aug-2011
Publisher: National Institute for Materials Science
Journal Title: Science and Technology of Advanced Materials
Volume: 12
Issue: 4
Start Page: 044606
Publisher DOI: 10.1088/1468-6996/12/4/044606
Abstract: Multilayers of gold nanoclusters (GNCs) coated with a thin Pd layer were constructed using GNCs modified with self-assembled monolayers (SAMs) of mercaptoundecanoic acid and a polyallylamine hydrochloride (PAH) multilayer assembly, which has been reported to act as a three-dimensional electrode. SAMs were removed from GNCs by electrochemical anodic decomposition and then a small amount of Pd was electrochemically deposited on the GNCs. The kinetics of the oxygen reduction reaction (ORR) on the Pd modified GNC/PAH multilayer assembly was studied using a rotating disk electrode, and a significant increase in the ORR rate was observed after Pd deposition. Electrocatalytic activities in alkaline and acidic solutions were compared both for the GNC multilayer electrode and Pd modified GNC electrode.
Rights: © 2011 National Institute for Materials Science
Type: article
URI: http://hdl.handle.net/2115/47355
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 魚崎 浩平

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