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CNRS Director of Research

Sorbonne Université,
4 Place Jussieu, 75252 Paris cedex 5

Couloir 43-53
Team polymer chemistry

4ème étage Bureau 422
Tel:33(0)1 44 27 51 37
Fax:33(0)1 44 27 70 89


Research interests:
Polymer Chemistry

Current research :

  • Synthesis of macromolecular architectures by controlled radical polymerization (RAFT) in homogeneous (solution, bulk) and heterogeneous conditions (dispersion or emulsion polymerization)
  • Assembly of amphiphilic copolymers, main focus: PISA = polymerization induced self-assembly
  • Core-shell latexes for nanostructured films
  • Functional nanogels
  • Polyoxometalates-polymer hybrids

Recent results:
1) Synthesis of core-shell particles of various morphology by PISA through RAFT dispersion or emulsion polymerization (ref. 1)

2) Hydrogen-bonded, nanostructured films from core-shell latexes (ref. 2)

3) Synthesis and characterization of thermoresponsive core-shell nanogels by RAFT dispersion polymerization

Scientific career

  • 2021- Directeur de recherche CNRS
  • October 2018 - Habilitation à diriger des Recherches (HDR) Qualification in Chemistry at Sorbonne University
  • since 01/2009 Researcher at the Laboratoire de Chimie des Polymères (LCP, UPMC) (équipe « Polymérisation Radicalaire »).
    Since 01/2014 the LCP joint the IPCM and constitutes now the “Polymer Chemistry Group” of IPCM.
  • 2007-2008 FNRS Research Followship with Centre d’Etude et de Recherche sur les Macromolécules (CERM), ULg, Belgique, posted to work at LCP (Controlled Radical Polymerization team, headed by Bernadette Charleux)
  • 2006 Post-doc with Macopharma company, Lille, France, posted to work at the « Institut de Chimie Moléculaire et des Matériaux d’Orsay » (ICMMO)
  • 2002-2005 Shared PhD thesis at CERM, Université de Liège (ULg), Belgique, and at CERMAV, Grenoble, France, under the co-supervision of Robert Jérôme (CERM) and Rachel Auzély-Velty (CERMAV). Marie-Curie fellowship.
    Title: “Synthesis, characterization and biomedical interest of amphiphilic biocompatible and bioeliminable (glyco)copolymers of various architectures.”

Selected publications:

  1. G. Mellot, J.-M. Guigner, J. Jestin, L. Bouteiller, F. Stoffelbach, J. Rieger*, “Unexpected thermo-responsiveness of bisurea-functionalized hydrophilic polymers in water.” J. Coll. Interf. Sci. 2021, 581, 874–883.
  2. S. Han, S. Pensec, D. Yilmaz, C. Lorthioir, J. Jestin, J.-M. Guigner, F. Niepceron, J. Rieger, F. Stoffelbach, E. Nicol, O. Colombani*, L. Bouteiller*. “Supramolecular Janus nanorods by hydrogen bonding of end-functionalized polymers.” Nat. Commun.2020, 11, 4760.
  3. N. Audureau, C. Veith, F. Coumes, T. P. T. Nguyen, J. Rieger*, F. Stoffelbach*, “RAFT-polymerized N-cyanomethylacrylamide-based (co)polymers exhibiting tunable UCST behavior in water.” Macromol. Rapid Commun. 2021, 42(23), 2100556.
  4. M. Lansalot, J. Rieger, “Polymerization-Induced Self Assembly”. Macromol. Rapid Commun. 2019, 40, 1800885.
  5. G. Mellot, J.-M. Guigner, L. Bouteiller, F. Stoffelbach, J. Rieger. Templated-PISA : Driving Polymerization-Induced Self-Assembly towards the Fibre Morphology. Angew. Chemie - Int. Ed., 2019, 58, 3173-3177.
  6. G. Mellot, J.-M. Guigner, J. Jestin, L. Bouteiller, F. Stoffelbach, J. Rieger, “Bisurea-functionalized RAFT agent: a straightforward and versatile tool towards the preparation of supramolecular cylindrical nanostructures in water.” Macromolecules , 2018, 51 (24), 10214-10222.
  7. R. Albiges, P. Klein, S. Roi, F. Stoffelbach, C. Creton, L. Bouteiller, J. Rieger, "Water-based acrylic coatings reinforced by PISA-derived fibres" Polym. Chem. 2017, 8, 4992-4995.
  8. J. Lesage de la Haye, J.-M. Guigner, E. Marceau, L. Ruhlmann, B. Hasenknopf, E. Lacôte, J. Rieger “Amphiphilic polyoxometalates for the controlled synthesis of hybrid polystyrene particles with surface reactivity.” Chem. Eur. J. 2015, 21, 2948-53.
  9. J. Rieger, “Guidelines for the synthesis of block copolymer particles of various morphologies by RAFT dispersion polymerization.” Macromol. Rapid Commun. 2015, 36 (16), 1458-1471
  10. M. Chenal, J. Rieger, C. Vechambre, M. Chenal, L. Chazeau, C. Creton, L. Bouteiller, “Soft nanostructured polymers with an ultralow volume fraction of percolating hard phase.” Macromol. Rapid Commun. 2013, 34, 1524–1529.