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Photocatalytic reduction of PFAS using solvated electrons produced by hydrogenated nanodiamonds
Stage M2CEA Saclay, (91) Essonne, FranceFebruary 3 20256 monthDomain, 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 20256 monthDomain, 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, FranceNovember 21 20246 monthDomain, 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, FranceNovember 21 20246 monthDomain, 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, FranceFebruary 3 20256 monthDomain, 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, FranceFebruary 3 20256 monthDomain, 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
March 3 20256 monthDomain, 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, FranceFebruary 1 20256 monthDomain, 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, FranceFebruary 3 20256 monthDomain, 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, FranceFebruary 3 20256 monthDomaine, 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 1 20256 monthDomain, 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, FranceFebruary 3 20256 monthDomain, 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 10 20256 monthDomain, 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, FranceFebruary 3 20255 monthDomain, 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, FranceJanuary 6 20256 monthDomain, 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, FranceFebruary 3 20256 monthDomain, 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, FranceFebruary 3 20256 monthDomain, 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 M2FranceFebruary 3 20256 monthDomain, 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…
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Synthesis and study of graphenic materials
Stage M2FranceFebruary 3 20256 monthDomain, Specialties : CHEMISTRY Keywords: Organic chemistry Research Unit : NIMBE / LICSEN Synthesis and study of graphenic materials The term graphene covers a whole family of materials. In this internship, we propose to build by organic synthesis methods graphene nanoparticles for the study of their optical properties and which can serve as a basic…
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Study of Carbon Degradation for Supercapacitors Using Optical Techniques.
Stage M2FranceFebruary 3 20256 monthDomain, Specialties : CHEMISTRY Electrochemistry, Materials (carbon, thin films), Microscopy, and Spectroscopy Research Unit : NIMBE/LICSEN This internship focuses on a crucial issue in the field of energy storage: increasing the energy density of supercapacitors in aqueous media. The long-term goal is to improve the performance of these devices by modifying the surface properties of…
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Post-doc: “Radiolysis to explore the reactivity of catalysts for C2H4 production”
Post-DoctoratJuly 24 202412 monthPost-doctorat à pourvoir : “La radiolyse pour explorer la réactivité de catalyseurs pour la production de C2H4” Le but du travail sera d’utiliser la radiolyse pour optimiser la production d’éthylène de divers couples réactif/catalyseur après irradiation. L’objectif est également d’utiliser toute la potentialité des techniques de radiolyse pour déterminer les mécanismes de réaction correspondants, et…
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Post-doc position: Radiolysis to explore the reactivity of catalysts for C2H4 production”
Post-DoctoratCEA Saclay, (91) Essonne, FranceJuly 24 202412 monthAvailable Post-doc position: “Radiolysis to explore the reactivity of catalysts for C2H4 production” The aim of this post-doctoral work is to use radiolysis to optimize the ethylene production from various reactant/catalyst couples after irradiation. The aim is also to use the full potential of radiolysis techniques to determine the corresponding reaction mechanisms, and understand which…
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In the framework of the France 2030 and PEPR Recyclage, CEA, is looking for a Postdoc fellow
Post-DoctoratEssonne (91)July 17 202418 monthFichier d’annonce / Announcement file It is important to develop the scientific knowledge and stimulate innovations to recycling Plastics. The extremely large variety of plastic based objects that we use in our daily life are made of a wide range of plastic materials covering many different polymers, many different formulations. Plastics objects are also used…
PhD thesis
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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…