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Iron Is the Active Site in Nickel/Iron Water Oxidation Electrocatalysts

Hunter, Bryan M. and Winkler, Jay R. and Gray, Harry B. (2018) Iron Is the Active Site in Nickel/Iron Water Oxidation Electrocatalysts. Molecules, 23 (4). Art. No. 903. ISSN 1420-3049. PMCID PMC6017163. http://resolver.caltech.edu/CaltechAUTHORS:20180418-165501153

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Abstract

Efficient catalysis of the oxygen-evolution half-reaction (OER) is a pivotal requirement for the development of practical solar-driven water splitting devices. Heterogeneous OER electrocatalysts containing first-row transition metal oxides and hydroxides have attracted considerable recent interest, owing in part to the high abundance and low cost of starting materials. Among the best performing OER electrocatalysts are mixed Fe/Ni layered double hydroxides (LDH). A review of the available experimental data leads to the conclusion that iron is the active site for [NiFe]-LDH-catalyzed alkaline water oxidation.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.3390/molecules23040903DOIArticle
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6017163PubMed CentralArticle
ORCID:
AuthorORCID
Hunter, Bryan M.0000-0001-8559-9304
Winkler, Jay R.0000-0002-4453-9716
Additional Information:© 2018 The Author(s). This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0). Received: 28 February 2018 / Revised: 10 April 2018 / Accepted: 12 April 2018 / Published: 14 April 2018. (This article belongs to the Special Issue Artificial Photosynthesis: Recent Progress in Solar Energy Utilization). This work was supported by the NSF CCI Solar Fuels Program (CHE-1305124) and the Arnold and Mabel Beckman Foundation. B.M.H. acknowledges a Fellowship from the Resnick Sustainability Institute at Caltech. The authors declare no conflict of interest.
Group:Resnick Sustainability Institute, CCI Solar Fuels
Funders:
Funding AgencyGrant Number
NSFCHE-1305124
Arnold and Mabel Beckman FoundationUNSPECIFIED
Resnick Sustainability InstituteUNSPECIFIED
Subject Keywords:oxygen evolution reaction; layered double hydroxide; electrocatalyst
PubMed Central ID:PMC6017163
Record Number:CaltechAUTHORS:20180418-165501153
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20180418-165501153
Official Citation:Hunter, B.M.; Winkler, J.R.; Gray, H.B. Iron Is the Active Site in Nickel/Iron Water Oxidation Electrocatalysts. Molecules 2018, 23, 903.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:85964
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:19 Apr 2018 14:53
Last Modified:15 Nov 2018 16:54

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