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Visible-Light-Driven Water Oxidation on a Photoanode by Supramolecular Assembly of Photosensitizer and Catalyst
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2016 (English)In: ChemPlusChem, ISSN 2192-6506, Vol. 81, no 10, 1056-1059 p.Article in journal (Refereed) Published
Abstract [en]

A ruthenium water oxidation catalyst (WOC) bearing hydrophobic ligands was incorporated on the surface of a dye-sensitized nanostructured TiO2 film by formation of a host–guest adduct with the dye. This provides a new strategy for constructing photocatalytically active electrodes for water oxidation. The resultant photoanode exhibits a photocurrent of 800 μA cm−2 under visible-light illumination (λ>400 nm, 300 mW cm−2) and 240 μA cm−2 under simulated sunlight illumination (AM 1.5G, 100 mW cm−2) with an applied bias of 0.2 V vs. NHE in neutral phosphate buffer.

Place, publisher, year, edition, pages
Wiley-VCH Verlagsgesellschaft, 2016. Vol. 81, no 10, 1056-1059 p.
Keyword [en]
dye-sensitized photoelectrochemical cells, host–guest systems, ruthenium, solar cells, water splitting
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-195281DOI: 10.1002/cplu.201500539ISI: 000386078200005ScopusID: 2-s2.0-84990219784OAI: oai:DiVA.org:kth-195281DiVA: diva2:1045981
Funder
Swedish Energy AgencyKnut and Alice Wallenberg Foundation
Note

QC 20161111

Available from: 2016-11-11 Created: 2016-11-02 Last updated: 2016-11-17Bibliographically approved

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