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Using Surface Amide Couplings to Assemble Photocathodes for Solar Fuel Production Applications
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Kemiska sektionen, Institutionen för kemi - Ångström, Fysikalisk kemi.
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Kemiska sektionen, Institutionen för kemi - Ångström.
Pacific Northwest Natl Lab, POB 999, Richland, WA 99352 USA.
Ferro Corp, Penn Yan, NY 14527 USA.
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2020 (engelsk)Inngår i: ACS Applied Materials and Interfaces, ISSN 1944-8244, E-ISSN 1944-8252, Vol. 12, nr 4, s. 4501-4509Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
AMER CHEMICAL SOC , 2020. Vol. 12, nr 4, s. 4501-4509
Emneord [en]
solar fuels, photocathode, nickel oxide, silatrane, amide coupling
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-406495DOI: 10.1021/acsami.9b19003ISI: 000510532000032PubMedID: 31872996OAI: oai:DiVA.org:uu-406495DiVA, id: diva2:1413723
Forskningsfinansiär
Swedish Energy Agency, 11674-8Tilgjengelig fra: 2020-03-11 Laget: 2020-03-11 Sist oppdatert: 2020-03-11bibliografisk kontrollert

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