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Towards efficient and robust anodes for water splitting: Immobilization of Ru catalysts on carbon electrode and hematite by in situ polymerization
KTH Royal Institute of Technology, Department of Chemistry.
KTH Royal Institute of Technology, Department of Chemistry.
KTH Royal Institute of Technology, Department of Chemistry.
KTH Royal Institute of Technology, Department of Chemistry.
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2017 (English)In: Catalysis Today, ISSN 0920-5861, E-ISSN 1873-4308, Vol. 290, p. 73-77Article in journal (Refereed) Published
Abstract [en]

Ru-bda based molecular water oxidation catalysts 1 and 2 (H2bda = 2,2′–bipyridine–6,6′–dicarboxylic acid) containing a thiophene group are attached to the surfaces of electrodes by the method of electropolymerization. The Ru-bda molecular catalyst functionalized graphite carbon electrode can catalyze water oxidation efficiently under a overpotential of ca 500 mV to obtain current density of 5 mA cm−2; and the similarly functionalized photoelectrode based on α-Fe2O3 (hematite) film can work as an photoanode for light driven water splitting.

Place, publisher, year, edition, pages
2017. Vol. 290, p. 73-77
Keyword [en]
Water oxidation, Electrochemistry, Molecular catalyst, Polymerization, α-Fe2O3
National Category
Energy Systems Chemical Engineering Physical Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-302097DOI: 10.1016/j.cattod.2016.07.011ISI: 000402706700011OAI: oai:DiVA.org:uu-302097DiVA: diva2:956391
Funder
Swedish Research CouncilSwedish Energy AgencyKnut and Alice Wallenberg Foundation
Available from: 2016-08-30 Created: 2016-08-30 Last updated: 2017-12-20Bibliographically approved

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Philippe, BertrandRensmo, Håkan

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