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Ligand-Controlled Electrodeposition of Highly Intrinsically Active and Optically Transparent NiFeOxHy Film as a Water Oxidation Electrocatalyst
KTH, Skolan för kemi, bioteknologi och hälsa (CBH), Kemi.ORCID-id: 0000-0002-4521-2870
2017 (engelsk)Inngår i: ChemSusChem, ISSN 1864-5631, E-ISSN 1864-564X, Vol. 10, nr 23, s. 4690-4694Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A highly intrinsically active and optically transparent NiFeOxHy water oxidation catalyst was prepared by electrodeposition of [Ni(C12-tpen)](ClO4)2 complex (Ni−C12). This NiFeOxHy film has a current density of 10 mA cm−2 with an overpotential (η) of only 298 mV at nanomolar concentration and the current density of 10 mA cm−2 remains constant over 22 h in 1 m KOH. The extremely high turnover frequency of 0.51 s−1 was obtained with η of 300 mV. More importantly, such outstanding activity and transparency (optical loss <0.5 %) of the NiFeOxHy film are attributed to a ligand effect of the dodecyl substituent in Ni−C12, which enables its future application in solar water splitting.

sted, utgiver, år, opplag, sider
Wiley-VCH Verlag , 2017. Vol. 10, nr 23, s. 4690-4694
Emneord [en]
electrocatalysis, electrodeposition, ligand effects, thin films, water oxidation, Electrocatalysts, Electrodes, Iron compounds, Ligands, Nickel, Oxidation, Potash, Future applications, Ligand effect, Nanomolar concentration, Overpotential, Solar water splitting, Turnover frequency, Water oxidation catalysts, Nickel compounds, ferric ion, ferric oxide, ligand, water, catalysis, chemistry, electroplating industry, oxidation reduction reaction, procedures, Electroplating, Ferric Compounds, Oxidation-Reduction
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Identifikatorer
URN: urn:nbn:se:kth:diva-227112DOI: 10.1002/cssc.201701869ISI: 000417561000002Scopus ID: 2-s2.0-85033799996OAI: oai:DiVA.org:kth-227112DiVA, id: diva2:1205834
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QC 20180515

Tilgjengelig fra: 2018-05-15 Laget: 2018-05-15 Sist oppdatert: 2019-10-18bibliografisk kontrollert

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