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Visible Light-Driven Water Oxidation with a Ruthenium Sensitizer and a Cobalt-Based Catalyst Connected with a Polymeric Platform

Abstract

A facile synthesis for a photosensitizer-water oxidation catalyst (PS-WOC) dyad, which is connected through a polymeric platform, has been reported. The dyad assembly consists of a ruthenium-based chromophore and a cobalt-iron pentacyanoferrate coordination network as the water oxidation catalyst while poly(4-vinylpyridine) serves as the bridging group between two collaborating units. Photocatalytic experiments in the presence of an electron scavenger reveal that the dyad assembly maintains its activity for 6 h while the activity of a cobalt hexacyanoferrate and Ru(bpy)32+ couple decreases gradually and eventually decays after a 3 h catalytic experiment. Infrared and XPS studies performed on the post-catalytic powder sample confirm the stability of the dyad during the catalytic process.

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Publication details

The article was received on 05 Nov 2018, accepted on 11 Dec 2018 and first published on 11 Dec 2018


Article type: Paper
DOI: 10.1039/C8FD00166A
Citation: Faraday Discuss., 2018, Accepted Manuscript

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    Visible Light-Driven Water Oxidation with a Ruthenium Sensitizer and a Cobalt-Based Catalyst Connected with a Polymeric Platform

    Z. Kap and F. Karadas, Faraday Discuss., 2018, Accepted Manuscript , DOI: 10.1039/C8FD00166A

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