LIONS 
Discover the internet WEBsite of the LIONS (Interdisciplinary Laboratory on Nanoscale and Supramolecular Organization).
Interdisciplinary Laboratory on Nanoscale and Supramolecular Organization
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Projets
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2D-MEMBA: 2D nanolaminate – nanofluidic ionic diodes hybrid membranes for desalination and water purification (2D-MEMBA) Project # ANR-21-CE09-0034 (english)
Summary: Nanomaterials hold promise for the development of innovative membranes towards the purification of water and desalination. Two-dimensional materials (2D) when stacked in 2D nanolaminates have been investigated for molecular sieving via size-limited diffusion in the 2D capillaries while nanofluidic ionic diodes can efficiently control the diffusion of ions depending on their charges. Within 2D-MEMBA,…
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ANR LabCom 2018 – DESIR
Efficient and sensitive detection of reaction intermediates via NMR The ability to control chemical reactions by simultaneously monitoring in real time and under real conditions the concentration of…
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eSCALED
Le changement climatique résultant de l’accumulation de dioxyde de carbone anthropique dans l’atmosphère et l’incertitude quant à la quantité de réserves de combustibles fossiles récupérables…
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Iramis partner of the European RISEnergy project
Le CEA-Iramis est partenaire du projet Européen Infrastructures “RISEnergy” qui rassemble un ensembled’entreprises, d’organismes de recherche, d’Universités et d’agences de financement européens (69…
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Nanoprotection
The Nanoprotection research project (http://nanoprotection.cnrs.fr/) gathers six French laboratories. Four scientist from the LIONS are involved: Frédéric Gobeaux, Jean-Philippe Renault, Fabienne…
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Notre-Dame de Paris Scientific Project
Martine Regert, Deputy Scientific Director at the Institute of Ecology and Environment, and Philippe Dillmann, CNRS Research Director at IRAMAT’s LRC Saclay* and head of the “Laboratoire archéomatériaux et prévision de l’altération – LAPA” team at IRAMIS/NIMBE, are coordinators of the “Chantier CNRS Notre-Dame”, whose aim is to develop lines of research linked to the…
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Projet ANR Max4us: Miniaturization And hyperpolarized Xenon NMR for Ultrahigh Sensitivity
ANR-12-BSV5-0003, coordination and contact Patrick Berthault – LSDRM. This ambitious project aims at proposing the combined use of hyperpolarized 129Xe NMR, micro-fluidics and micro-coils as an…
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Projet SOS Epaves – Save Our Shipwrecks
Depuis mai 2019, le LAPA est porteur d’une ANR «SOS– Save Our Shipwrecks » alliant la biocorrosion et le patrimoine sous-marin, comme les épaves métalliques sous-marines du second conflit mondial.…
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The labcom project LETRIP
The ANR labcom project LETRIP (Laboratoire d’Etude des Traitements et Revêtements Innovants pour le Patrimoine) is a joint laboratory between the NIMBE/LAPA (CEA/CNRS, Université Paris Saclay,…
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WideNMR – A large cavity RMN spectrometer
Nuclear Magnetic Resonance is a powerful analytical tool that allows a wide variety of studies of matter, in all its forms. It involves very low energies and combines multi-scale properties for…
Domaines Techniques
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Advanced Electrochemical Microscopy (SECM)
Electrochemical microscopy (SECM, for Scanning ElectroChemical Microscopy) is an electrochemical technique developed in the late 90s. It involves bringing a micrometer-sized electrode close to the surface to be studied. Depending on the nature of the electrolyte in which the experiment is carried out, and the potential conditions imposed on the electrode and substrate, we can…
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Elaboration d’un outil d’acquisition RTI open source (Reflectance Transformation Imaging)
Permanents impliqués: Mickaël Bouhier, Jean-Charles Méaudre. La Reflectance Transformation Imaging (RTI), ou imagerie de transformation par réflectivité, est une méthode d’imagerie basée sur la…
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Instrumental setups @ LSDRM
InstrumentalSetups: SEOP in a van Low field NMR Rotating magnets Microdetectionin microfluidic device Super Wide Bore Sample shuttling / Navette porte échantillon
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Microfluidics
The microfluidics is the science and technology of systems that process or manipulate small amounts of fluids (nanoliter to attoliter), using channels with dimensions of tens to hundreds of…
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Noble gas spin-exchange optical pumping (SEOP) setup self-contained in a van
Objective One of the biggest limitations of Nuclear Magnetic Resonance (NMR) is its lack of sensitivity linked to the low nuclear spin polarization. For several years we develop in the lab an…
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Spectrométrie de photoélectrons X (XPS)
La spectrométrie XPS (X-Ray Photo-electron Spectroscopy) La spectroscopie XPS permet de mesurer le nombre d’électrons émis dans un intervalle d’énergie en fonction de l’énergie de liaison des…
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SWAXS Lab -Saclay : The SAXS/ GISAXS/ X-ray reflectomer beamline
The Laboratoire Léon Brillouin (LLB) has installed in the “SWAXSLab” within the CEA Saclay a high resolution X-ray spectrometer Xeuss 2.0 from Xenoxs company ). This equipment aims at SAXS/ GISAXS…
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X-ray photoelectron spectroscopy
X-ray Photoelectron Spectroscopy (XPS) is a surface analysis technique which provides both chemical and electronic properties. Through the photoelectric effect, photoelectrons are ejected from the surface illuminated with a X-ray source. They have characteristic binding energy which depends on the element, orbital and chemical environment of the atom. This technique allows the detection of virtually…
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X-ray Photoelectron Spectroscopy (XPS)
XPS, X-ray Photoelectron Spectroscopy is a surface analysis technique which provides both chemical and electronic properties. Through the photoelectric effect, photoelectrons are ejected from the…
Emplois
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Molecular dynamics modeling of imogolite formation mechanisms
Stage M2CEA Saclay, (91) Essonne, FranceApril 1 2025March 3 2025Domain, Specialties : CHEMISTRY Keywords: Computational chemistry Research Unit : NIMBE / LIONS Imogolite is a nanotubular clay mineral that can be synthesized in the laboratory. Today, this family of materials constitutes a nanoplatform with multiple potential applications [1]. Imogolite is formed by the folding of a monolayer of aluminum hydroxide; formed from 3 to…
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Experimental mechanical study of multi-domain 2D mechanical metamaterials fabricated by 3D printing
Stage M2CEA Saclay, (91) Essonne, FranceMarch 1 2025April 14 2025Domain, Specialties : CHEMISTRY Keywords: Materials chemistry Research Unit : NIMBE / LIONS The internship proposed here involves the experimental study of new digitally-designed, locally isotropic, multi-domain, 2D-architecture microtrellis metamaterials. The trainee will participate in the design, manufacture by 3D printing (photopolymerization) and study of the mechanical performance in compression of these new metamaterials. A…
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Photocatalytic reduction of PFAS using solvated electrons produced by hydrogenated nanodiamonds
Stage M2CEA Saclay, (91) Essonne, FranceJanuary 6 2025February 3 2025Domain, Specialties : CHEMISTRY Keywords: Nanomaterials, photocatalysis, analytical chemistry Research Unit : NIMBE / LEDNA Per- and polyfluoroalkylated substances (PFAS) are highly persistent and resistant to degradation. This internship aims to investigate the potential of nanodiamonds as a source of solvated electrons for the photocatalytic degradation of these PFAS. Per- and polyfluoroalkylated substances (PFAS) are…
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Photocatalytic decarboxylation: transfer carboamination of hydroxylamines
Stage M2CEA Saclay, (91) Essonne, FranceJanuary 6 2025January 6 2025Domain, Specialties : Chemistry Keywords: organic chemistry, photocatalysis Research Unit : NIMBE / LCMCE The internship involves the development of a new synthetic method for forming C-N bonds, called transfer carboamination. This approach uses alkenes and hydroxylamines as substrates. The project aims to optimize the reaction under photocatalytic conditions using iron-based catalysts and to study…
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Microfluidic developments for analytical monitoring of bio-hydrometallurgical processes for recycling critical metals
Stage M2CEA Saclay, (91) Essonne, FranceMarch 31 2025February 22 2025Domain, Specialties: CHIMIE Keywords: biolixiviation, microbiologie Research Unit: NIMBE / LICSEN The increase in the worldwide production of electronic equipment in recent years has led to an increase in the production of electronic waste, the recycling of which is still only partial. New recycling methods based on hydrometallurgy are being developed to recycle the critical…
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Electrocatalytic reductive coupling of C=C unsaturated bonds
Stage M2CEA Saclay, (91) Essonne, FranceOctober 10 2024February 22 2025Domain, Specialties : CHIMIE Keywords: Catalysis, Electrochemistry Unité d’accueil : NIMBE/LCMCE Coupling reactions are synthetic methods that are widely used in both academic and industrial environments. The continuous efforts of the community have made it possible to develop a range of different reactivities and conditions to promote these reactions. However, the use of electrochemical methods…
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Mineral nanodroplets: impact on crystallization processes in solution
Stage M2CEA Saclay, (91) Essonne, FranceJanuary 10 2025February 3 2025Domain, Specialties : Materials chemistry Keywords: crystallization, non-classical nucleation, X-ray scattering, cryo-microscopy Research Unit : NIMBE / LIONS This project addresses a deep fundamental question with numerous practical implications: why and when do unexpected “mineral emulsions” form prior to crystallization in solution? It is now widely accepted that ions in solution assemble into crystals via…
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Representativeness of robotic syntheses of nanoparticles
Stage M2CEA Saclay, (91) Essonne, FranceJanuary 10 2025February 3 2025Domain, Specialties : Materials chemistry Keywords: robotic syntheses, nucleation, Small-Angle X-ray Scattering Research Unit : NIMBE / LIONS Representativeness of robotic syntheses of nanoparticles With the advent of machine learning in materials chemistry, using robots to build databases of syntheses of nanoparticles is at the forefront. But how representative are these mixing methods? The advent…
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Machine learning for accelerated discovery of sustainable alloys
January 31 2025March 3 2025Domain, Specialties : Neural networks Keywords: Machin learning-Artificial intelligence-alloys-recycling Research Unit : NIMBE / LICSEN The production of waste electrical and electronic equipment (WEEE) is increasing and poses recycling challenges, particularly for printed circuit boards (PCBs), which contain precious metals and reusable components. The aim of the internship is to use machine learning methods to…
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Processing hyperspectral imaging data using chemometrics and artificial intelligence for materials characterization
Stage M2CEA Saclay, (91) Essonne, FranceJanuary 15 2025February 1 2025Domain, Specialties : Materials chemistryKeywords: Data processing, spectroscopy, heritage Research Unit : NIMBE/LAPA Summary The aim of this internship is to collect mappings at three wavelengths 473, 532 and 785 nm on the same sample areas. The datasets collected will be processed using chemometric data fusion methods known as “multiblock”. Approaches involving chemometrics or artificial…
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WiSE electrolytes for lithium-ion batteries: a machine learning study
Stage M2CEA Saclay, (91) Essonne, FranceJanuary 10 2025February 3 2025Domain, Specialties: Physical chemistry Keywords: theoretical chemistry, artificial intelligence, machine learning Research Unit: NIMBE / LSDRM For this internship, the trainee will build and apply artificial neural networks able to simulate at atomic scale the structural and dynamic properties of superconcentrated lithium salt electrolytes for lithium-ion batteries. Research focused on aqueous super-concentrated lithium salt electrolytes…
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High-throughput photoredox synthesis – Development of AI models
Stage M2CEA Saclay, (91) Essonne, FranceJanuary 10 2025February 3 2025Domaine, spécialité : CHIMIE Mots-Clés : Intelligence Artificielle, HTE Unité d’accueil : NIMBE/LCMCE We are offering two internships as part of a research project aimed at optimizing chemical reactions used to synthesize therapeutic compounds, in particular via photo-induced cross-coupling reactions. By using CO2, these methods become more ecological and useful for pharmaceutical production. The project…
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Chemical valorization of plastic wastes
Stage M2CEA Saclay, Site de l’Orme des merisiers (91) Essonne, FranceJanuary 30 2025January 1 2025Domain, Specialties : CHEMISTRY Keywords: Homogeneous catalysis; Chemical depolymerization; plastics Research Unit : NIMBE/LICSEN The aim of this project is to synthesize organometallic catalysts and test them in the reductive depolymerization of plastics. Since the 1950s, plastics have gradually replaced traditional materials (wood, metal, concrete) in many sectors, becoming indispensable thanks to their low cost…
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Real-time chemical studies of sustainable cement carbonation
Stage M2CEA Saclay, Site de l’Orme des merisiers (91) Essonne, FranceJanuary 10 2025February 3 2025Domain, Specialties : CHEMISTRY Keywords: NMR spectroscopy, fluoresence microscopy, sustainable cement, microfluidics Research Unit : NIMBE / LIONS This project is focused on the development of tools to study cement chemistry. Microfluidic devices will be used to control the environment of small cement samples, and techniques including NMR and fluorescence will be used to monitor…
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Development and characterization of medical implants functionalized by a bioactive molecule
Stage M2CEA Saclay, (91) Essonne, FranceFebruary 3 2025February 10 2025Domain, Specialties : CHEMISTRY Keywords: Fucoidan, platinum, surface functionalization, bioactive coils, in vitro, optimization Research Unit : NIMBE / LICSEN Around 5% of the European population is affected by intracranial aneurysms (IA), which are often asymptomatic until they rupture, causing hemorrhagic strokes with a mortality rate of over 50%. Modern treatment of ICAs relies on…
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Development of catalysts for PEM electrolyzers
Stage M2CEA Saclay, (91) Essonne, FranceJanuary 15 2025February 3 2025Domain, specialty : CHIMIE – Electrochemistry Laboratory : NIMBE/LICSEN The internship will focus on the development of catalysts for proton exchange membrane (PEM) electrolyzers. The aim is to synthesize catalysts based on iridium and iridium-nickel alloys, which are more economical while maintaining high performance. The catalysts will be deposited on a gas diffusion layer using…
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Development and study of composite materials based on carbon nanotubes for application to cryogenic fluid reservoirs
Stage M2CEA Saclay, (91) Essonne, FranceDecember 31 2024January 6 2025Domain, specialty: MATERIALS Keywords: materials science or instrumentation or chemistry, mechanical testing, nanoscience and nanotechnology Laboratory : NIMBE / LEDNA The subject of this internship is part of a thesis project aimed at finding the best way of integrating carbon nanotubes into laminated composite materials, capable of bridging microcracks in the matrix of these composites,…
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Colored materials for air quality
Stage M2CEA Saclay, (91) Essonne, FranceJanuary 15 2025February 3 2025Domain, Specialties : CHEMISTRY Keywords: Materials, Physical chemistry, Environment, Air quality Research Unit : NIMBE / LEDNA To detect pollutants in the air, we are developing compact, high-performance, lightweight measuring devices. These devices probe the chemical reactivity of gaseous pollutants using colored microbeads See: [Mugherli et al., Lab-on-a-Chip 2020; Guittet et al., Journal of Sol-gel…
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Scale-up of an electronic component sorting bench
Stage M2CEA Saclay, (91) Essonne, FranceJanuary 15 2025February 3 2025Domain, Specialties : Process engineering Keywords: Industrial Engineering, Materials, Software, Electronics Research Unit : NIMBE/LICSEN Scale-up of an electronic component sorting bench If today’s electronic waste (WEEE) can be described as an “urban mine”, it’s because it abounds in metals that are in essential supply crisis in today’s economy. However, in practice, only a minority…
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Porphyrin-based nanostructures
Stage M2FranceJanuary 6 2025February 3 2025Domain, Specialties : CHEMISTRY Keywords: Chimie organique Research Unit : NIMBE / LICSEN Porphyrin-based nanostructures Porphyrins are aromatic tetrapyrrolic macrocycles that exhibit a wide range of optical, optoelectronic and electrochemical properties. The aim of this project is to synthesize new materials based on porphyrins to take advantage of these properties. The aim of this project…
Thèses
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Synthesis and optical properties of quantum dots
LICSEN : ChemistryParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclayGraphene as a constituent of graphite was close to us for almost 500 years. However, it is only in 2005 that A. Geim and K. Novoselov (Nobel Prize in 2010) reported for the first time the obtaining… -
Porphyrin-based nanostructures
LICSEN : ChemistryParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclayThe aim of this project is the synthesis of new molecular structures based on porphyrins for the formation of 0D, 1D and 2D nanostructures. Porphyrins are an important class of molecules that are… -
Electrocatalyzed Reductive Couplings of Olefins and Carbonyls for the synthesis of sustainable molecules.
LCMCE : ChemistryParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclayThe LCMCE aims to develop a sustainable method for the reductive functionalization of carbonyl derivatives with olefins via electrochemistry. Traditional redox processes in organic synthesis often… -
Innovative syntheses of perovzalates and rationalization of the formation mechanism by synchrotron methods
LIONS : Radiation-matter interactionsParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) Saclay“Perovzalates” are a new family of hybrid perovskites based on oxalate, with around ten examples listed since 2019 (AILi3MII(C2O4)3, with A = K+, Rb+, Cs+, NH4+; M = Fe2+, Co2+, Ni2+). Just like… -
Optimization of the catalytic layer for CO2 electroreduction integrated into a PEM electrolyzer
LICSEN : Physical chemistry and electrochemistryParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclayThis thesis focuses on optimizing the catalytic layer for CO2 electroreduction in an acidic medium, integrated into a proton-exchange membrane (PEM) electrolyzer. The aim is to upgrade CO2 by… -
Interfaces in super-concentrated aqueous electrolytes: machine learned simulations at the exascale era
LSDRM : Physical chemistry and electrochemistryParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclayImproving the performance of liquid electrolytes is one of today’s major challenges in the field of batteries, with the aim of improving efficiency, safety and economy. Recent advances include… -
Functionalized aluminosilicate nanotubes for photocatalysis
LIONS : Radiation-matter interactionsParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclayRising energy demand and the need to reduce the use of fossil fuels to limit global warming have created an urgent need for clean energy collection technologies. One interesting solution is to use… -
Exploration of Diamond-Based Nanomaterials for (Sono)photocatalysis: Applications in Hydrogen Production and CO2 Reduction
LEDNA : Ultra-divided matter, Physical sciences for materialsParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclayNanodiamonds (NDs) are increasingly being studied as semiconductors for photocatalysis, thanks in particular to the very specific positions of their valence and conduction bands, which can be… -
Brines for metal recycling
LICSEN : ChemistryParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclayCritical metals are essential for a range of technologies that are vital to reduce our carbon dioxide emissions. However, the global recycling rate for metals contained in electronic waste is below… -
Spectrometry and Artificial Intelligence: development of explainable, sober and reliable AI models for materials analysis
LEEL : Analytic chemistryParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclayThe discovery of new materials is crucial to meeting many current societal challenges. One of the pillars of this discovery capacity is to have means of characterizing these materials which are… -
X-ray diffusion assisted by Artificial Intelligence: the problem of the representativeness of synthetic databases and the indistinguishability of predictions.
LIONS : Artificial intelligence & Data intelligenceParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclayThe advent of artificial intelligence makes it possible to accelerate and democratize the processing of small-angle X-ray scattering (SAXS) data, an expert technique for characterizing nanomaterials… -
Development of a microfluidic bioanalytical platform to quantify the cellular bio-distribution of a drug
LIONS : Health and environment technologies, medical devicesParis-Saclay Physique et Ingénierie: électrons, photons et sciences du vivant (EOBE) SaclayA drug’s mode of action and efficacy are correlated not only with its ability to accumulate in the targeted pathological tissues, i.e. its tissue bio-distribution, but also with its ability to… -
Research of nanostructured oxides for CO2 capture assisted by synthesis robot and artificial intelligence.
LIONSParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclayThe advent of robotic syntheses assisted by artificial intelligence opens up countless perspectives for the discovery of new nanomaterials, while raising the question of correctly validating these… -
Chemical recycling of oxgenated and nitrogenated plastic waste by reductive catalytic routes
LCMCE : ChemistryParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclaySince the 1950s, the use of petroleum-based plastics has created a modern consumerist world based on the use of disposable products. Global production of plastic waste is therefore considerable, and… -
Hyperpolarized Xenon NMR to probe the functionality of biological barriers
LSDRM : Medical imagingParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclayOptical pumping of xenon, giving rise to an intense NMR signal, is a specialty of the LSDRM team. Xenon, which is soluble in biological media, has a wide range of chemical shifts, which we use here… -
All solid-state lithium batteries based on Pyrochlore solid electrolyte
LEEL : Physical chemistry and electrochemistryParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclayDue to the increasing energy demand, developing efficient storage systems, both stationary and portable, is crucial. Among these, lithium-ion batteries stand out as the most advanced, capable of… -
Numerical twin for the Flame Spray Pyrolysis process
LEEL : Numerical simulationParis-Saclay Sciences Mécaniques et Energétiques, Matériaux et Géosciences (SMEMaG) SaclayOur ability to manufacture metal oxide nanoparticles (NPs) with well-defined composition, morphology and properties is a key to accessing new materials that can have a revolutionary technological… -
Perovskite devices for solar hydrogen production
LICSEN : ChemistryParis-Saclay Sciences Chimiques: Molécules, Matériaux, Instrumentation et Biosystèmes (2MIB) SaclayProject Overview: The PhD thesis is part of the ICARUS European project, aiming to develop efficient solar energy conversion systems for a carbon-neutral future. The project focuses on integrating…
Thèmes de recherche
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Materials, nanomaterials, materials for electronics, energy and heritage materials @ NIMBE
Fundamental Research on materials enables us to develop methods for elaborating new materials with original properties. This research enables to adapt these materials to get the best performances in the realization of electronic or optical devices. Another research approach is to adapt materials for optimum performance in energy production, corrosion resistance, functionalized materials and catalytic…
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Physics and life
Threeresearch programsof the IRAMIS found an natural extension towards biology: Molecular engineering, where studies of co-operative interactions of molecules in solution found a direct extension…
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Physique et chimie femtoseconde-attoseconde / Femtosecond-attosecond physics and chemistry
While the pulse durations of infrared lasers are reaching the fundamental limitation imposed by the duration of the optical cycle (a few femtoseconds), High-order Harmonic Generation has recently…
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Support and short pulse lasers
Cliquer ici pour consulter le nouveau site ‘Supports et Lasers à Impulsion Courte’ L’équipe SLIC (Supports et Lasers à Impulsions Courtes) est un groupe de développement laser et de support…