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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, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
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2017 (English)In: Catalysis Today, ISSN 0920-5861, E-ISSN 1873-4308, Vol. 290, 73-77 p.Article in journal (Refereed) Published
Abstract [en]

Ru-bda based molecular water oxidation catalysts 1 and 2 (H(2)bda = 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 alpha-Fe2O3 (hematite) film can work as an photoanode for light driven water splitting.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2017. Vol. 290, 73-77 p.
Keyword [en]
Water oxidation, Electrochemistry, Molecular catalyst, Polymerization, alpha-Fe2O3
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-210455DOI: 10.1016/j.cattod.2016.07.011ISI: 000402706700011Scopus ID: 2-s2.0-85008391610OAI: oai:DiVA.org:kth-210455DiVA: diva2:1120592
Funder
Swedish Research CouncilKnut and Alice Wallenberg FoundationSwedish Energy Agency
Note

QC 20170706

Available from: 2017-07-06 Created: 2017-07-06 Last updated: 2017-07-06Bibliographically approved

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