Laboratoire Léon Brillouin

UMR12 CEA-CNRS, Bât. 563 CEA Saclay

91191 Gif sur Yvette Cedex, France


BD diffusons les neutrons

Materials & Nanophases Group: Structures, Characterization, Formulation, Applications and Recycling Processes


The group's current fields of interest are the following:

  1. Nanomaterials: In our laboratory, we synthesize and characterize low dimensionality materials (0, 1 and 2D), by all means necessary and available. These materials can often be exfoliated/dispersed in solution leading to some complex/colloidal fluids, exhibiting a very wide range of fascinating behaviors.
  2. Waste recycling: we are developing tools and processes for impoving various wastes recycling to enable more economically viable waste processing. Our efforts in this field started in 2013 and focussed at the time on an integrated microfluidic lab-on-chip that enables much faster exploration of multidimensional phase diagrams of complex fluids. Such lab-on-chip devices integrate various sensors as well as characterizations methods (such as FTIR in hollow waveguides, or X-ray fluorescence). This work was first funded, from 2013 util 2018, by the advanced ERC project REE-CYCLE (PI = Prof. Thomas Zemb) that aims at developing new rare earth extraction/recycling processes, at least 10 times more efficient that current liquid-liquid extraction processes, where JCG served as acting co-PI. Since then, within the joint CEA / NTU laboratory SCARCE, we have further developped the microfluidic platform as well as expanded our effort to other process steps in the recycling of e-waste (PCBs, plastics from e-wastes), such has:
    1. PCBs dismantling and associated electronic component sorting;
    2. physical method based purification;
    3. critical metals recovery and purification;
    4. liquid-liquid and Solid-liquid hydrometallurgical recovery processes  step development;
    5. use of supercritical fluid as a green solvent for e-waste recycling.
  3. Integration:
  • Thanks to the awarded ANR Project 4WATER (2018): we are elaborating new and cheap multi-target chemical sensor arrays for the continuous monitoring of groundwater quality. Using a microelectronic approach, the sensors will be based on functionalized nanomaterials and that will target various ions selected for their relevance as regards the quality of fresh water.
  • Thanks to the awarded ANR Project 2D-MEMBA (2021): we integrate nanomaterials for the making of less power-hungry membranes for the purification of water

Group members in CEA and NTU:

Leader: Dr. HDR. P. Gabriel

Postdocs or Research Fellows:

PhD students:

  • Lina Cherni (2019-2022): Exfoliation of 2D materials and their integration
  • Yuemin Deng (2020-2023): Recycling of ewaste using Sc-CO2
  • Fabien Olivier (2020-2023, joint supervision with Prof. Charles Yang Chun from NTU): "Processes development using a microfluidic platform".

Project Officer:


Interns: Looking for some, see below

Job openings:

We are currently hiring two research fellows (postdocs) in CEA/NTU SCARCE joint laboratory in Singapore. Look Here and Here for more details and to apply

Open Intership positions on Electrochemical metal recovery (possible starting date as early as January 2022).

Former group members (Since 2013):

Postdocs or Research Fellows:

  • Dr. Ange A. Maurice (2018-2021) Now at Madrid University Carlos III
  • Dr. Varun Rai (2020-2021) now researcher at NUS Singapore
  • Dr. Daobin Liu (2020-2021)
  • Dr. Junhua Xu (2020-2021) now Ass. Prof at Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences
  • Dr. Fang Wei (2019-2020)
  • Dr Johannes Theisen (2014-2018), now R&D system manager with Biomérieux.

PhD Students


  • Alexandre Stawiarski (3rd year Engineering school internship, 2021), now Engineer at Mines ParisTech
  • Kassandra Ojeil (3rd year Engineering school internship, 2021).
  • Gabriel Bernard (3rd year Engineering school internship, 2017). Now at SICK
  • Marine Le Meur (Master Alternance, 2015-2016), now at CEA
  • Dr. Nicolas Gauthier (Magistère internship, 2014), now in CEA after a Ph. D. with SAFT
  • Alistair Gabriel (9th grade internship, 2017)
  • Lucas Hummel  (9th grade internship, 2017)
  • Brice Gay (9th grade internship, 2016)
#3377 - Màj : 03/11/2021

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