Sunlight-Driven Dehydrogenative Oxidation Photocatalysis by a Mononuclear Complex Acting as both Chromophore and Catalyst
نویسندگان
چکیده
منابع مشابه
A mononuclear cobalt complex with an organic ligand acting as a precatalyst for efficient visible light-driven water oxidation.
N,N'-Bis(salicylidene)ethylenediaminecobalt(II) (1) has been investigated as a highly efficient water oxidation precatalyst with a TON of 854 at pH = 9.0, using [Ru(bpy)3](ClO4)2 as a photosensitizer and Na2S2O8 as a sacrificial electron acceptor.
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A mononuclear Co complex, [Co(III)(DPK·OH)2]Cl (DPK = di(2-pyridyl)ketone), was synthesized and reported as a stable catalyst in visible light-driven water oxidation. The optimum turnover number (TON) of complex 1 is 1610, which, to the best of our knowledge, is the largest TON among metal-organic complexes for photocatalytic water oxidation.
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The preparation and characterization of new Ru(II) polypyridylbased chromophore−catalyst assemblies, [(4,4′-PO3H2-bpy)2Ru(4-Mebpy-4′-epic)Ru(bda)(pic)] (1, bpy = 2,2′-bipyridine; 4-Mebpy-4′-epic = 4-(4-methylbipyridin-4′-yl-ethyl)-pyridine; bda = 2,2′-bipyridine-6,6′-dicarboxylate; pic = 4-picoline), and [(bpy)2Ru(4-Mebpy-4′-epic)Ru(bda)(pic)] (1′) are described, as is the application of 1 in a...
متن کاملLaCoO3 acting as an efficient and robust catalyst for photocatalytic water oxidation with persulfate.
Cobalt-containing metal oxides [perovskites (LaCoO(3), NdCoO(3), YCoO(3), La(0.7)Sr(0.3)CoO(3)), spinel (Co(3)O(4)) and wolframite (CoWO(4))] have been examined as catalysts for photocatalytic water oxidation with Na(2)S(2)O(8) and [Ru(bpy)(3)](2+) as an electron acceptor and a photosensitizer, respectively. Catalysts with the perovskite structure exhibited higher catalytic activity as compared...
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ژورنال
عنوان ژورنال: Journal of the Brazilian Chemical Society
سال: 2020
ISSN: 0103-5053
DOI: 10.21577/0103-5053.20200161