Issue 14, 2015
From the journal:

Physical Chemistry Chemical Physics

Deprotonation of a dinuclear copper complex of 3,5-diamino-1,2,4-triazole for high oxygen reduction activity†

Masaru Kato,ab   Ken'ichi Kimijima,‡c   Mari Shibata,c   Hideo Notsu,c   Kazuya Ogino,c   Kiyoshi Inokuma,c   Narumi Ohta,§c   Hiromitsu Uehara,d   Yohei Uemura,d   Nobuhisa Oyaizu,b   Tadashi Ohba,d   Satoru Takakusagi,d   Kiyotaka Asakura*d  and  Ichizo Yagi*abc  

* Corresponding authors

a Faculty of Environmental Earth Science, Hokkaido University, N10W5, Kita-ku, Sapporo 060-0810, Japan
E-mail: iyagi@ees.hokudai.ac.jp

b Graduate School of Environmental Science, Hokkaido University, N10W5, Kita-ku, Sapporo 060-0810, Japan

c Fuel Cell Cutting-Edge Center - Technology Research Association (FC-Cubic, TRA), 2-3-26 Aomi, Koto-ku, Tokyo 135-0064, Japan

d Catalysis Research Center, Hokkaido University, N21W10, Kita-ku, Sapporo 001-0021, Japan

Abstract

A dinuclear copper(II) complex of 3,5-diamino-1,2,4-triazole is one of the highly active copper-based catalysts for the oxygen reduction reaction (ORR) in basic solutions. Our in situ X-ray absorption near edge structure measurements revealed that deprotonation of the triazole ligand might cause coordination geometrical changes, resulting in the enhancement of the ORR activity.

Graphical abstract: Deprotonation of a dinuclear copper complex of 3,5-diamino-1,2,4-triazole for high oxygen reduction activity

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Article information

DOI
https://doi.org/10.1039/C4CP05595K
Article type
Communication
Submitted
02 Dec 2014
Accepted
02 Mar 2015
First published
03 Mar 2015
This article is Open Access
Creative Commons BY-NC license

Phys. Chem. Chem. Phys., 2015,17, 8638-8641

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Deprotonation of a dinuclear copper complex of 3,5-diamino-1,2,4-triazole for high oxygen reduction activity

M. Kato, K. Kimijima, M. Shibata, H. Notsu, K. Ogino, K. Inokuma, N. Ohta, H. Uehara, Y. Uemura, N. Oyaizu, T. Ohba, S. Takakusagi, K. Asakura and I. Yagi, Phys. Chem. Chem. Phys., 2015, 17, 8638 DOI: 10.1039/C4CP05595K

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