Highly active and selective photochemical reduction of CO2 to CO using molecular-defined cyclopentadienone iron complexes

Alonso Rosas-Hernández; Pamela G. Alsabeh; Enrico Barsch; Hernrik Junge; Ralf Ludwig; Matthias Beller

doi:10.1039/C6CC01671E

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Highly active and selective photochemical reduction of CO₂ to CO using molecular-defined cyclopentadienone iron complexes†

Alonso Rosas-Hernández,^a Pamela G. Alsabeh,^a Enrico Barsch,^ab Hernrik Junge,^a Ralf Ludwig^ab and Matthias Beller*^a

Author affiliations

* Corresponding authors

^a Leibniz Institute for Catalysis at the University of Rostock, Albert Einstein-Straße 29a, 18059 Rostock, Germany
E-mail: matthias.beller@catalysis.de

^b Institute of Chemistry, Department of Physical Chemistry, University of Rostock, Dr. Lorenz Weg 1, 18059 Rostock, Germany

Abstract

Herein, we report highly active (cyclopentadienone)iron–tricarbonyl complexes for CO₂ photoreduction using visible light with an Ir complex as photosensitizer and TEOA as electron/proton donor. Turnover numbers (TON) of ca. 600 (1 h) with initial turnover frequencies (TOF) up to 22.2 min⁻¹ were observed. Operando FTIR measurements allowed for the proposal of a plausible mechanism for catalyst activation.

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Article information

DOI: https://doi.org/10.1039/C6CC01671E
Article type: Communication
Submitted: 24 Feb 2016
Accepted: 08 Jun 2016
First published: 08 Jun 2016
This article is Open Access

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Chem. Commun., 2016,52, 8393-8396

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Highly active and selective photochemical reduction of CO₂ to CO using molecular-defined cyclopentadienone iron complexes

A. Rosas-Hernández, P. G. Alsabeh, E. Barsch, H. Junge, R. Ludwig and M. Beller, Chem. Commun., 2016, 52, 8393 DOI: 10.1039/C6CC01671E

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