Electrochemical sensing and catalysis using Cu3(BTC)2 coating electrodes from Cu(OH)2 films

Kenji Okada; Shota Sawai; Ken Ikigaki; Yasuaki Tokudome; Paolo Falcaro; Masahide Takahashi

doi:10.1039/C7CE00416H

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Electrochemical sensing and catalysis using Cu₃(BTC)₂ coating electrodes from Cu(OH)₂ films†

Kenji Okada,^a Shota Sawai,^b Ken Ikigaki,^b Yasuaki Tokudome,^b Paolo Falcaro^c and Masahide Takahashi

*^b

Author affiliations

* Corresponding authors

^a Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan

^b Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
E-mail: masa@photomater.com

^c Graz University of Technology, Institute of Physical and Theoretical Chemistry, Stremayrgasse 9/Z2, 8010 Graz, Austria

Abstract

Metal–organic framework (MOF) coatings were prepared on gold electrodes through the conversion from Cu(OH)₂ nanobelts to Cu₃(BTC)₂ MOFs (BTC = 1,3,5-benzenetricarboxylic acid). In the conversion from Cu(OH)₂ to Cu₃(BTC)₂, the porosity and homogeneity of the coatings are tunable by controlling the EtOH : H₂O volume ratio of the MOF precursor solution. The kinetics and mechanism of the conversion from metal hydroxide nanobelts to MOFs were investigated by using the quartz crystal microbalance (QCM) technique. The Cu₃(BTC)₂ coatings were finally tested for the size-selective electrochemical sensing and non-enzymatic electrocatalysis of glucose.

This article is part of the themed collection: Metal-Organic Framework Catalysis

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Article information

DOI: https://doi.org/10.1039/C7CE00416H
Article type: Paper
Submitted: 28 Feb 2017
Accepted: 10 Apr 2017
First published: 10 Apr 2017

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CrystEngComm, 2017,19, 4194-4200

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Electrochemical sensing and catalysis using Cu₃(BTC)₂ coating electrodes from Cu(OH)₂ films

K. Okada, S. Sawai, K. Ikigaki, Y. Tokudome, P. Falcaro and M. Takahashi, CrystEngComm, 2017, 19, 4194 DOI: 10.1039/C7CE00416H

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