Optimization of Photoanodes for Photocatalytic Water Oxidation by Combining a Heterogenized Iridium Water‐Oxidation Catalyst with a High‐Potential Porphyrin Photosensitizer
نویسندگان
چکیده
منابع مشابه
Heterogenized Iridium Water-Oxidation Catalyst from a Silatrane
8 ABSTRACT: A pentamethylcyclopentadienyl (Cp*) iridium water9 oxidation precatalyst was modified to include a silatrane functional group 10 for covalent attachment to metal oxide semiconductor surfaces. The 11 heterogenized catalyst was found to perform electrochemically driven 12 water oxidation at an overpotential of 462 mV with a turnover number of 13 304 and turnover frequency of 0.035 s−1...
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The iridium complex [Cp*Ir(H2O)3](SO4) was used as an organometallic source for the electrodeposition of iridium oxide onto Fe2O3. The new iridium-containing electrode allowed us to study the coupling between the photocatalytic properties of hematite and the electrocatalytic properties of the iridium-based material. A cathodic shift of the photocurrent for water oxidation upon electrodeposition...
متن کاملA water-soluble iridium(III) porphyrin.
This work reports the synthesis and characterization of the first water-soluble iridium porphyrin, iridium(iii) diaqua porphyrin [Ir(III)(TSPP)(OH(2))(2)](3-) (1, TSPP = tetra-p-sulfonatophenyl porphyrin). The structure of 1 was unequivocally determined by single crystal X-ray analysis. Benzo-18-crown-6-ether is essential for producing single crystals suitable for X-ray analysis.
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ژورنال
عنوان ژورنال: ChemSusChem
سال: 2017
ISSN: 1864-5631,1864-564X
DOI: 10.1002/cssc.201701693