Competitive Photoelectrochemical Methanol and Water Oxidation with Hematite Electrodes
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Other documents of the author: Klahr, Benjamin; Gimenez, Sixto; Zandi, Omid; Fabregat-Santiago, Francisco; Hamann, Thomas
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comunitat-uji-handle2:10234/2507
comunitat-uji-handle3:10234/6973
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Title
Competitive Photoelectrochemical Methanol and Water Oxidation with Hematite ElectrodesAuthor (s)
Date
2015-03-24xmlui.dri2xhtml.METS-1.0.item-edition
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ACS PublicationsBibliographic citation
KLAHR, Benjamin; GIMÉNEZ JULIÁ, Sixto; ZANDI, Omid; FABREGAT SANTIAGO, Francisco; HAMANN, Thomas. Competitive Photoelectrochemical Methanol and Water Oxidation with Hematite Electrodes. ACS Applied Materials & Interfaces (2015), v. 7, n. 14, pp 7653–7660Type
info:eu-repo/semantics/articlePublisher version
http://pubs.acs.org/doi/abs/10.1021/acsami.5b00440Version
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Abstract
Photocatalytic water and methanol oxidation were studied at thin film hematite electrodes synthesized by atomic layer deposition (ALD). Systematic photoelectrochemical characterization along with O2 evolution measur ... [+]
Photocatalytic water and methanol oxidation were studied at thin film hematite electrodes synthesized by atomic layer deposition (ALD). Systematic photoelectrochemical characterization along with O2 evolution measurements were carried out in order to better understand the mechanisms of both water and methanol oxidation at hematite electrodes. When both water and methanol are present in the solution, they are oxidized competitively with each other, allowing the detection and assignment of distinct surface states characteristic to each process. The measurement of different surface states for methanol and water oxidation, along with the absence of measurable surface states in an inert acetonitrile electrolyte, clearly shows that the detected surface states are chemically distinct reaction intermediates of water or methanol oxidation. [-]
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ACS Applied Materials & Interfaces (2015), v. 7, n. 14Rights
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