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A noble metal-free photocatalytic system based on a novel cobal tetrapyridyl catalyst for Hydrogen production in fully aqueous medium

Abstract

The new cobalt tetrapyridyl complex 1(BF4)2 was characterized and assessed for hydrogen production in fully aqueous solution. Mechanistic information were gained thanks to a fast screening method, using chemical reductants and a Clark microelectrode. Optimal hydrogen production (443 TONs – 3 mL of H2) was achieved under visible light-driven conditions, in the presence of a noble metal-free photosensitizer, the water soluble porphyrin 2Cl4, and the ascorbate/tris-(2-carboxyethyl)phosphine (TCEP) sacrificial electron donor system.

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Publication details

The article was received on 04 Sep 2017, accepted on 06 Dec 2017 and first published on 07 Dec 2017


Article type: Communication
DOI: 10.1039/C7SE00428A
Citation: Sustainable Energy Fuels, 2017, Accepted Manuscript
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    A noble metal-free photocatalytic system based on a novel cobal tetrapyridyl catalyst for Hydrogen production in fully aqueous medium

    N. QUEYRIAUX, E. Giannoudis, C. D. Windle, S. Roy, J. Pecaut, A. G. G. Coutsolelos, V. Artero and M. Chavarot-Kerlidou, Sustainable Energy Fuels, 2017, Accepted Manuscript , DOI: 10.1039/C7SE00428A

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