Rodrigue LESCOUEZEC

Professor

Sorbonne University
4 Place Jussieu, 75252 Paris cedex 5
Tower 33-43, 5th floor
ERMMES Group
Tel: 33(0)1 44 27 51 86
Click here for my personnal web page

Research interests :

Current research :

Electro-switchable molecular materials : intercalation materials for ion batteries

Switchable molecules : spin transition complexes and charge transfer complexes

Paramagnétique NMR: local structural and magnetic probe

Selected recent results :

Molecular switches

(soluble) Molecular switches

First discrete cyanide-bridged  MnFe and  WCo complexes showing T-induced electron transfer

Angew. Chem. 2020, Jiménez et al. DOI:10.1002/anie.201916199

Chem. Eur. J  2013 , Mondal et al. DOI:10.1002/anie.201300661


Getting bistable under pressure

The electron-transfer equilibrium can be recovered under pressure

Angew. Chem. Int. Ed. 2020, Li et al.
DOI 10.1002/anie.202008051


Single molecule magnets

The A⊂[FeII4CoIII3CoII] cages (A = K, Cs): soluble models of the photomagnetic Prussian blue analogues. It also shows field-induced SMM behaviour and remarkable redox flexibility

Chem. Science 2016, Garnier et al.
DOI: 10.1039/C6SC01435F

Dalton Trans. 2017, Jiménez et al.
DOI: 10.1039/C7DT02989F


Molecular materials

Molecular materials can act as cathode for Li-batteries

Redox-active CN-based 1-D coordination polymers can reversibly intercalate Li ions. Coll. M Okubo, Tokyo Univ.

Chem. Commun. 2018, Jiménez et al.
DOI : 10.1039/C8CC01374H


Magnetic Anisotropy

Probing the magnetic anisotropy in the low-spin [FeIII(Tp)CN)3]

Collab. B. Gillon et coll. (LLB – CEA) & B. Le Guennic et coll. (Univ. Rennes)

Angew. Chem. Int. Ed. 2016, Ridier et al.
DOI: 10.1002/anie.201511354


Paramagnetic NMR spectroscopy : magnetic & structural probe

Monitoring the structural & electronic changes occurring in PBA cathodes by 113Cd MAS NMR

Collab. Masashi Okubo (Univ. Tokyo)
Dalton Trans. 2017, Flambard et al. DOI: 10.1039/C7DT00728K

see also :

Chem. Eur. J. 2019, 25, 12120

Angew. 2009, 48, 1673 

Chem.Eur.J. 2011, 17, 11567


Magnetic coordination clusters

Coordination clusters and cages based on the [FeIII(Tp)CN)3] building blocks

Collab. Laurent Lisnard (IPCM – ERMMES)
Dalton Trans. 2017, Jiménez et al. DOI: 10.1039/C6DT03151J

“Square, Cube and Supercube”, see also :

JACS 2013, 135, 1653

Chem. Sci. 2016, 8, 4763 

Chem. Commun. 2013, 49, 1181


Scientific career

  • 2014 : Full Professor, UPMC, IPCM
  • 2011 : Associate Professor
  • 2004 : Assistant Professor
  • 2002-2004 : Post doctoral RA:
    Technische Universität München – Prof. F.H. Köhler « solid-state NMR spectroscopy of paramagnetic hexacyanometallate ». 
    University of Manchester, Prof. R. Winpenny, « EPR on polymetallic coordination clusters »
  • 1999-2002 : Doctorat – Universidad de Valencia – Prof. M. Julve « Synthesis and study of low-dimensional magnetic compounds ».

Selected publications :

  1. [FeIII(Tp)(CN)3] Scorpionate-based Complex as a Building Block for designing Ion-Storage Hosts (Tp : hydrotrispyrazolylborate)
    J.R. Jiménez, A. Sugahara, M. Okubo, A. Yamada, L. Chamoreau, L.Lisnard, R. Lescouëzec*
    Chem. Commun.,201854, 5189-5192 ; DOI : 10.1039/C8CC01374H
  2. The neutral complex K⊂[FeII(Tp)(CN)3]4[CoIII(pzTp)]3[CoII(pzTp)] : a soluble model of photomagnetic Prussian blue analogues
    D. Garnier, J.R. Jiménez, Y. Li, J. von Bardeleben, Y. Journaux, T. Augenstein, E. Moos, M. Gamer, F. Breher,* R. Lescouëzec*
    Chem. Sci., 20167, 4825-4831 ; DOI : 10.1039/c6sc01435f
  3. A direct picture of the local magnetic anisotropy by polarized neutron diffraction (PND) confronted to EPR, magnetometry and ab initio investigations
    K. Ridier, A. Mondal, C. Boilleau, O. Cador, B. Gillon,* G. Chaboussant, B. Le Guennic,* K. Costuas, R. Lescouëzec*
    Angew. Chem. Int.Ed.201655, 3963-3967 ; DOI : 10.1002/anie.201511354
  4. On/Off photoswitching in a cyanide-bridged [Fe2Co2] magnetic molecular square
    A. Mondal, Y. Li, M. Seuleiman, M. Julve, L.Toupet, M. Buron-Lecointe,* R. Lescouëzec*
    J. Am. Chem. Soc.2013,135, 1653 ; DOI : 10.1021/ja3087467
  5. Revisting Prussian blue analogues with MAS NMR spectroscopy : Spin density and local structure in [Cd3{Fe(CN)6}].15H2
    A. Flambard, F. H. Köhler, R. Lescouëzec*
    Angew. Chem. Int. Ed.,200948, 1673-1676 ; DOI : 10.1002/anie.200805415