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Benchmarking nanoparticulate metal oxide electrocatalysts for the alkaline water oxidation reaction

Jung, Suho and McCrory, Charles C. L. and Ferrer, Ivonne M. and Peters, Jonas C. and Jaramillo, Thomas F. (2016) Benchmarking nanoparticulate metal oxide electrocatalysts for the alkaline water oxidation reaction. Journal of Materials Chemistry A, 4 (8). pp. 3068-3076. ISSN 2050-7488. doi:10.1039/c5ta07586f.

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Nanoparticulate metal-oxide catalysts are among the most prevalent systems for alkaline water oxidation. However, comparisons of the electrochemical performance of these materials have been challenging due to the different methods of attachment, catalyst loadings, and electrochemical test conditions reported in the literature. Herein, we have leveraged a conventional drop-casting method that allows for the successful adhesion of a wide range of nanoparticulate catalysts to glassy-carbon electrode surfaces. We have applied this adhesion method to prepare catalyst films from 16 crystalline metal-oxide nanoparticles with a constant loading of 0.8 mg cm^(−2), and evaluated the resulting nanoparticulate films for the oxygen evolution reaction under conditions relevant to an integrated solar fuels device. In general, the activities of the adhered nanoparticulate films are similar to those of thin-film catalysts prepared by electrodeposition or sputtering, achieving 10 mA cm^(−2) current densities per geometric area at overpotentials of ∼0.35–0.5 V.

Item Type:Article
Related URLs:
URLURL TypeDescription
Jung, Suho0000-0002-8119-3902
McCrory, Charles C. L.0000-0001-9039-7192
Peters, Jonas C.0000-0002-6610-4414
Jaramillo, Thomas F.0000-0001-9900-0622
Additional Information:© 2015 The Royal Society of Chemistry. Received 22nd September 2015; Accepted 25th November 2015; First published online 27 Nov 2015. This article is part of themed collection: Water splitting and photocatalysis. This material is based upon work performed by the Joint Center for Artificial Photosynthesis, a DOE Energy Innovation Hub, supported through the Office of Science of the U.S. Department of Energy under Award Number DE-SC0004993. We would like to acknowledge much assistance in BET measurements by Kurt M. Van Allsburg.
Funding AgencyGrant Number
Department of Energy (DOE)DE-SC0004993
Issue or Number:8
Record Number:CaltechAUTHORS:20151215-102451419
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Official Citation:Benchmarking nanoparticulate metal oxide electrocatalysts for the alkaline water oxidation reaction Suho Jung, Charles C. L. McCrory, Ivonne M. Ferrer, Jonas C. Peters and Thomas F. Jaramillo J. Mater. Chem. A, 2016, 4, 3068-3076 DOI: 10.1039/C5TA07586F
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62931
Deposited By: Tony Diaz
Deposited On:15 Dec 2015 19:17
Last Modified:10 Nov 2021 23:09

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