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Using Surface Amide Couplings to Assemble Photocathodes for Solar Fuel Production Applications
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Physical Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström.
Pacific Northwest Natl Lab, POB 999, Richland, WA 99352 USA.
Ferro Corp, Penn Yan, NY 14527 USA.
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2020 (English)In: ACS Applied Materials and Interfaces, ISSN 1944-8244, E-ISSN 1944-8252, Vol. 12, no 4, p. 4501-4509Article in journal (Refereed) Published
Abstract [en]

A facile surface amide-coupling method was examined to attach dye and catalyst molecules to silatrane-decorated NiO electrodes. Using this method, electrodes with a push-pull dye were assembled and characterized by photoelectrochemistry and transient absorption spectroscopy. The dye-sensitized electrodes exhibited hole injection into NiO and good photoelectrochemical stability in water, highlighting the stability of the silatrane anchoring group and the amide linkage. The amide-coupling protocol was further applied to electrodes that contain a molecular proton reduction catalyst for use in photocathode architectures. Evidence for catalyst reduction was observed during photoelectrochemical measurements and via photocathodes.

Place, publisher, year, edition, pages
AMER CHEMICAL SOC , 2020. Vol. 12, no 4, p. 4501-4509
Keywords [en]
solar fuels, photocathode, nickel oxide, silatrane, amide coupling
National Category
Physical Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-406495DOI: 10.1021/acsami.9b19003ISI: 000510532000032PubMedID: 31872996OAI: oai:DiVA.org:uu-406495DiVA, id: diva2:1413723
Funder
Swedish Energy Agency, 11674-8Available from: 2020-03-11 Created: 2020-03-11 Last updated: 2020-03-11Bibliographically approved

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Materna, Kelly L.Pettersson-Rimgard, BelindaLomoth, ReinerThapper, AndersOtt, SaschaTian, HainingHammarström, Leif

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Materna, Kelly L.Pettersson-Rimgard, BelindaLomoth, ReinerThapper, AndersOtt, SaschaShaw, Wendy J.Tian, HainingHammarström, Leif
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Physical ChemistryDepartment of Chemistry - ÅngströmSynthetic Molecular Chemistry
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