A two-dimensional perovskite oxyfluoride Pb3Fe2O5F2 as a catalyst for electrochemical oxidation of water to oxygen

Ryusuke Mizuochi; Kengo Oka; Yoshiyuki Inaguma; Kazuhiko Maeda

doi:10.1039/D2SE00282E

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A two-dimensional perovskite oxyfluoride Pb₃Fe₂O₅F₂ as a catalyst for electrochemical oxidation of water to oxygen†

Ryusuke Mizuochi,

^a Kengo Oka,

^b Yoshiyuki Inaguma

^c and Kazuhiko Maeda

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1-NE-2 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
E-mail: maedak@chem.titech.ac.jp

^b Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-osaka City, Osaka 577-8502, Japan

^c Department of Chemistry, Faculty of Science, Gakushuin University, 1-5-1 Mejiro, Toshima-ku, Tokyo 171-8588, Japan

Abstract

A two-dimensional (2D) perovskite oxyfluoride Pb₃Fe₂O₅F₂, deposited on a conductive glass substrate, exhibited activity for electrochemical oxidation of water. This 2D oxyfluoride electrode could oxidize water forming O₂ at a relatively low potential of +1.7 V vs. RHE with a faradaic efficiency of almost unity; the O₂ evolution activity was nearly 8-fold higher compared to that for a 3D bulk PbFeO₂F analogue prepared in a similar manner.

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Article information

DOI: https://doi.org/10.1039/D2SE00282E
Article type: Communication
Submitted: 02 Mar 2022
Accepted: 09 Apr 2022
First published: 11 Apr 2022

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Sustainable Energy Fuels, 2022,6, 2423-2427

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A two-dimensional perovskite oxyfluoride Pb₃Fe₂O₅F₂ as a catalyst for electrochemical oxidation of water to oxygen

R. Mizuochi, K. Oka, Y. Inaguma and K. Maeda, Sustainable Energy Fuels, 2022, 6, 2423 DOI: 10.1039/D2SE00282E

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