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Laboratoire d'Electrochimie Moleculaire, LEM, Paris

UMR CNRS - Université de Paris - Paris France

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Research Group "REACTE"

" Reactivity and Catalysis using electron transfers "



Home> Research Groups > LEM "REACTE"

Our group is recognized at an international level in the field of molecular electrochemistry and electron transfer reactivity. Our research aim at the general understanding of all aspects of electron transfer chemistry coupled to molecular changes such as proton coupled electron transfer (PCET) or bond cleavage or bond formation. The selected strategy takes advantage of the synergistic use of experimental electrochemical studies, photochemical studies, and of theoretical descriptions of the mechanistic models.

Recently, we have made important contributions to proton-coupled electron transfers (PCET) reactions, that are the object of current active theoretical and experimental attention in view of their implication in a huge number of natural and synthetic processes. Concerning the later, we are investigating the electrochemical activation of small molecules such as H2, O2, H2O, CO2, N2 by metal complexes or catalytic films, in an effort to address contemporary energy challenges (storing energy into chemical bonds).For all of these reactions, the coupling of electron and proton transfers is li kely to play a crucial role, both in terms of mechanism, efficiency, and products distribution.



Molecular electrochemistry,molecular catalysis and catalytic films, electron transfer, proton-coupled electron transfer, activation of small molecules (N2, CO2, O2, H2O), biomimetic reactions, reaction mechanisms , ab initio calculations, electron transfer modelss


Group Leader

Marc Robert (Professor, Paris Diderot)

Group Members (2019-01)

Elodie Anxolabéhère (Senior Scientist CNRS)
Julien Bonin (Associate Professor, Paris Diderot)
Niklas von Wolff (Associate Scientist CNRS)
Cyrille Costentin (Professor, Paris Diderot)
Jean-Michel Savéant (Senior Scientist CNRS)

Orestes Rivada-Wheelaghan (Associate Scientist MOPGA)

Célia Achaibou (PhD student Labex MiChem)
Etienne Boutin (PhD student ANR )
Min Wang (PhD studentCSC)
Benjamin Boudy (PhD student Air Liquide)
Lydia Merakeb (PhD student ANR)
Bing Ma (PhD student CSC)
Daniela Mendoza (PhD student Labex MiChem
Martin Kientz (PhD student GRDF)
Dorian Joulié (PhD student FFC)
Nikolaos Kostopoulos (PhD student MRT)
Quiri Zhang (PhD student MOPGA)
Ruwen Wan (PhD student CSC)

Kristian Torbensen (Post-doc Air Liquide)
Tamal Chatterjee (Post-doc MOPGA)
Thomas Groizard (Post-doc GRDF-GRT gaz)

Recent publications -------------------------------------------------------------------------------------------------------------------------------------------


Visible-light-driven methane formation from CO2 with a molecular iron catalyst.
Heng Rao, Luciana C. Schmidt, Julien Bonin, and Marc Robert
Nature, (2017) 19894-19899. DOI: 10.1038/nature23016

The Potyvirus Particle Recruits the Plant Translation Initiation Factor eIF4E by Means of the VPg Covalently Linked to the Viral RNA.
Cyrille Costentin and Jean-Michel Savéant
ACS Appl. Mater. Interfaces, 9 (2017) 19894-19899. Abstract

Through-Space Charge Interaction Substituent Effects in Molecular Catalysis Leading to the Design of the Most Efficient Catalyst of CO2-to-CO Electrochemical Conversion.
Iban Azcarate, Cyrille Costentin, Marc Robert, and Jean-Michel Savéant
J. Am. Chem. Soc., 138 (2016) 9413-9416. Abstract

Highly efficient and selective photocatalytic CO2 reduction by iron and cobalt quaterpyridine complexes.
Zhenguo Guo, Siwei Cheng, Claudio Cometto, Elodie Anxolabéhère-Mallart, Siu-Mui Ng, Chi-Chiu Ko, Guijian Liu, Lingjing Chen, Marc Robert, and Tai-Chu Lau
J. Am. Chem. Soc., 138 (2016) 9413-9416. Abstract

Efficient electrolyzer for CO2 splitting in neutral water using earth-abundant materials.
Arnaud Tatin, Clément Comminges, Boniface Kokoh, Cyrille Costentin, Marc Robert, and Jean-Michel Savéant
Proc. Natl. Acad. Sci. U.S.A., 113 (2016) 5526-5529. Abstract

Current issues in molecular catalysis illustrated by iron porphyrins as catalysts of the CO2-to-CO electrochemical conversion.
Cyrille Costentin, Marc Robert, and Jean-Michel Savéant
Acc. Chem. Res, 48 (2015) 2996-3006. Abstract

Molecular catalysis of the electrochemical and photochemical reduction of CO2 with earth abundant metal complexes. Selective production of CO vs HCOOH by switching of the metal center.
Lingjing Chen, Zhenguo Guo, Xi-Guang Wei, Charlotte Gallenkamp, Julien Bonin, Elodie Anxolabéhère-Mallart, Kai-Chung Lau, Tai-Chu Lau, and Marc Robert
J. Am. Chem. Soc., 137 (2015) 10918-10921. Abstract

Cyclic voltammetry analysis of electrocatalytic films.
Cyrille Costentin and Jean-Michel Savéant
J. Phys. Chem. C, 119 (2015) 12174-12182. Abstract

Selective and efficient photocatalytic CO2 reduction to CO using visible light and an iron-based homogeneous catalyst.
Julien Bonin, Marc Robert, and Mathilde Routier
J. Am. Chem. Soc., 136 (2014) 16768-16771. Abstract

Molecular catalysis of H2 evolution. Diagnosing heterolytic vs. homolytic pathways.
Cyrille Costentin, Hachem Dridi, and Jean-Michel Savéant
J. Am. Chem. Soc., 136 (2014) 13727-13734. Abstract

Electrochemical formation and reactivity of a manganese peroxo complex: acid driven H2O2 generation vs. O-O bond cleavage.
V. Ching, E. Anxolabéhère-Mallart, H. E. Colmer, C. Costentin, P. Dorlet, T. A. Jackson, C. Policar, and M. Robert
Chem. Sci., 5 (2014) 2304-2310. Abstract

Bioinspired iron sulfide nanoparticles for cheap and long-lived electrocatalytic molecular hydrogen evolution in neutral water.
C. Di Giovanni, W.i-A. Wang, S. Nowak, J.-M. Grenèche, H. Lecoq, L. Mouton, M. Giraud, and C. Tard
ACS Catal., 4 (2014) 681-687. Abstract

Local Proton Source Enhances CO2 Electroreduction to CO by a Molecular Fe Catalyst.
Cyrille Costentin, Samuel Drouet, Marc Robert, and Jean-Michel Savéant
Science, 338 (2012) 90-94. Abstract


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