Immobilization of Mn(I) and Ru(II) polypyridyl complexes on TiO2 nanoparticles for selective photoreduction of CO2 to formic acid

Long Le-Quang; Matthew Stanbury; Sylvie Chardon-Noblat; Jean-Marie Mouesca; Vincent Maurel; Jérôme Chauvin

doi:10.1039/C9CC05129E

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Immobilization of Mn(i) and Ru(ii) polypyridyl complexes on TiO₂ nanoparticles for selective photoreduction of CO₂ to formic acid†

Long Le-Quang,

^ab Matthew Stanbury,^a Sylvie Chardon-Noblat,^a Jean-Marie Mouesca,^b Vincent Maurel^b and Jérôme Chauvin

*^a

Author affiliations

* Corresponding authors

^a Department of Molecular Chemistry, UMR CNRS 5250, University of Grenoble-Alpes, CS 40700, 38058 Grenoble Cedex 9, France
E-mail: jerome.chauvin@univ-grenoble-alpes.fr

^b Univ. Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, F-38000 Grenoble, France
E-mail: vincent.maurel@cea.fr

Abstract

TiO₂ nanoparticles are successively functionalized with [Mn(κ²N¹,N²-ttpy)(CO)₃Br] as catalyst and [Ru(bpy)₃]²⁺ as photosensitizer to yield Ru^II/TiO₂/Mn^I. Under continuous irradiation at 470 nm and in the presence of a sacrificial electron donor, this triad reduces CO₂ to HCOOH (TON_max = 27) with 100% selectivity.

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Article information

DOI: https://doi.org/10.1039/C9CC05129E
Article type: Communication
Submitted: 04 Jul 2019
Accepted: 21 Oct 2019
First published: 22 Oct 2019

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Chem. Commun., 2019,55, 13598-13601

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Immobilization of Mn(I) and Ru(II) polypyridyl complexes on TiO₂ nanoparticles for selective photoreduction of CO₂ to formic acid

L. Le-Quang, M. Stanbury, S. Chardon-Noblat, J. Mouesca, V. Maurel and J. Chauvin, Chem. Commun., 2019, 55, 13598 DOI: 10.1039/C9CC05129E

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