Laboratoire de réactivité de surface

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  • Article dans une revue

Speciation of Ruthenium as a Reduction Promoter of Silica-Supported Co Catalysts: A Time-Resolved in Situ XAS Investigation

Jingping Hong, Eric Marceau, Andrei Y. Khodakov, Lucia Gaberová, Anne Griboval-Constant, Jean-Sébastien Girardon, Camille La Fontaine, Valérie Briois

Complete reduction of the metal phase in cobalt-containing catalysts is often difficult to reach and can be promoted by a small amount of noble metals. Because these costly promoters are introduced in a very low quantity, their speciation and their chemical interaction with cobalt have seldom been…

ACS Catalysis, 2015, 5 (2), pp.1273-1282. ⟨10.1021/cs501799p⟩. ⟨hal-01120477⟩

  • Article dans une revue

Catalytic behavior of copper–amine complex supported on mesoporous silica SBA-15 toward mono-Aza-Michael addition: role of amine groups

Aboubakr Hakiki, Riad Mustpha Kerbadou, Bouhadjar Boukoussa, Hadjira Habib Zahmani, Franck Launay, Alain Pailleret, Françoise Pillier, Salih Hacini, Abdelkader Bengueddach, Rachida Hamacha

This work concerns the preparation and modification of mesoporous silica SBA-15 with different amine-copper complexes in order to study their impact on the catalytic behavior via Aza Michael addition. Firstly, SBA-15 was prepared hydrothermally, then functionalized by mono-, di- and tri-amine, and…

Journal of Inorganic and Organometallic Polymers and Materials, 2019, 29 (5), pp.1773-1784. ⟨10.1007/s10904-019-01139-7⟩. ⟨hal-02280716⟩

  • Communication dans un congrès

Nouvelles biocathodes graphite/nitrure de carbone amorphe/laccase pour la réduction de l'oxygène par transfert électronique direct

Achraft Blout, Alain Pailleret, Hubert Perrot, Claude Jolivalt

Les enzymes constituent une alternative intéressante aux catalyseurs métalliques car elles possèdent une meilleure sélectivité et des performances catalytiques souvent plus élevées. Elles peuvent être utilisées dans différents types de dispositifs électrochimiques comme les piles à combustible1.…

Journées d'Electrochimie 2017 (JE 2017), Société Chimique de France (SCF), Jun 2017, Bordeaux, France. ⟨hal-03946920⟩

  • Article dans une revue

A surfactant-assisted preparation of well dispersed rhodium nanoparticles within the mesopores of AlSBA-15: characterization and use in catalysis

Leon Gengembre, Franck Launay, Boutros Maya, Denicourt-Nowicki Audrey, Alain Roucoux, Beaunier Patricia, Antoine Gedeon

Well dispersed and efficient Rh(0) hydrogenation catalysts were obtained by the redn. of Rh(iii)-exchanged mesoporous aluminosilicates by sodium borohydride in the presence of N,N-dimethyl-N-cetyl-N-(2-hydroxyethyl) ammonium chloride.

Chemical Communications, 2008, 25, pp.2920-2922. ⟨10.1039/b802548g⟩. ⟨hal-00338879⟩

  • Thèse

Biominéralisation intracellulaire par des cyanobactéries : du modèle aux cellules, Intracellular biomineralization by cyanobacteria : from model to cells

Nithavong Cam

Cette thèse vise à avancer dans la compréhension de la formation récemment découverte de carbonates amorphes intracellulaires par des cyanobactéries. Des synthèses abiotiques ont permis de produire des carbonates similaires aux inclusions intracellulaires en termes de morphologie, structure et…, In this thesis we study the recently discovered formation of intracellular amorphous carbonates by cyanobacteria. Abiotic syntheses produced carbonates with a morphology, structure and composition similar as intracellular inclusions. The intracellular chemical conditions in the cyanobacteria can be…

Chimie-Physique [physics.chem-ph]. Université Pierre et Marie Curie - Paris VI, 2015. Français. ⟨NNT : 2015PA066495⟩. ⟨tel-01299797⟩

  • Thèse

Transformations de l'isopropanol sur solides aluminiques : une approche mixte expérimentale / modélisation multi-échelle, Conversion of isopropanol on aluminic materials : a mixed experimental and multi-scale modeling approach

Kim Larmier

La valorisation de la biomasse lignocellulosique en molécules plateforme pour l'industrie chimique rend nécessaire l'adaptation des méthodes de raffinage à la transformation de composés organiques oxygénés. La déshydratation des alcools connaît dans ce contexte un fort regain d'…, The upgrading of lignocellulosic biomass into strategic molecules for the chemical industry requires the adaptation of refining procedures to the transformation of oxygenated species. In this context, the dehydration of alcohols has seen renewed interest over the last decade. The work presented…

Chimie-Physique [physics.chem-ph]. Université Pierre et Marie Curie - Paris VI, 2015. Français. ⟨NNT : 2015PA066396⟩. ⟨tel-01282594⟩

  • Communication dans un congrès

The ionic liquid route for the development of environmentally friendly corrosion inhibitors : the inhibition of mechanism of ammonium and amino-acid based ionic liquids for high strength al alloys

Oumaïma Gharbi, Mai T.T. Tran, Mireille Turmine, Vincent Vivier

The research and development of environmentally friendly alternatives for chromate-based surface treatments and coating has considerably accelerated over the last decades. In fact, as a result of the recent European legislation restrictions toward chromate use and disposal, several promising…

Euroccor 2021, Sep 2021, Budapest, Hungary. ⟨hal-04013514⟩

  • Article dans une revue

Preparation of Highly Anisotropic Cobalt Ferrite/Silica Microellipsoids Using an External Magnetic Field

Sébastien Abramson, Vincent Dupuis, Sophie Neveu, Patricia Beaunier, David Montero

Magnetic cobalt ferrite/silica microparticles having both an original morphology and an anisotropic nanostructure are synthesized through the use of an external magnetic field and nanoparticles characterized by a high magnetic anisotropy. The association of these two factors implies that the ESE (…

Langmuir, 2014, 30 (30), pp.9190-200. ⟨10.1021/la501547q⟩. ⟨hal-01121597⟩

  • Communication dans un congrès

Photochemistry of organic molecules in the Solar System: experimental studies outside the International Space Station. The cases of glycine, and nucleobases

Hervé Cottin, Giovanni Strazzulla, M. Dobrijevic, Frances Westall, Gaelle Coussot, A. Le Postollec, Nicolas Fray, Didier Chaput, Richard C. Quinn, . Andrew Mattioda, Giuseppe Baratta, Mario Accolla, Thomas Georgelin, Fabien Stalport, Laura Rouquette, Cyril Szopa, Kafila Saiagh, Jodie Bellila, Katia Grira, Andreas Elsaesser, Nathalie Carrasco, Avinash-Vicholous Dass, M. E. Palumbo

Solar UV radiation is a major source of energy for initiating chemical evolution towards complex organic structures, but it can also photo-dissociate even the most complex molecules. Thus, solar UV can erase the organic traces of past life at the surface of planets, such as Mars, destroy organic…

42nd COSPAR Scientific Assembly, Jul 2018, Pasadena, Californie, United States. ⟨hal-01901917⟩

  • Article dans une revue

Effect of pH on the incorporation of acrylic acid units in the core of polymer nanoparticles prepared by PISA and on their morphology

Clément Debrie, Noémie Coudert, Jean-Michel Guigner, Fanny Coumes, Clément Guibert, Simon Harrisson, François Stoffelbach, Olivier Colombani, Jutta Rieger

Polymerization-induced self-assembly (PISA) is a polymerization process in which amphiphilic block copolymers are simultaneously synthesized and self-assembled in a selective solvent, leading to nanoparticles of different morphologies. Copolymerization has been reported as a means to tune…

Polymer Chemistry, 2024, 15 (24), pp.2462-2475. ⟨10.1039/D4PY00373J⟩. ⟨hal-04649351⟩