Laboratoire de réactivité de surface

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  • Article dans une revue

Revisiting Acido-basicity of the MgO Surface by Periodic Density Functional Theory Calculations: Role of Surface Topology and Ion Coordination on Water Dissociation

Céline Chizallet, Guylène Costentin, Michel Che, Françoise Delbecq, Philippe Sautet

Low-coordinated (LC) ions at the MgO surface (noted Mg2+ LC and O2- LC with L ) 1-5), located on monatomic and diatomic steps, corners, step divacancies, and kinks, have been modeled thanks to periodic density functional theory (DFT) calculations (VASP). Ions of lowest coordination induce the…

Journal of Physical Chemistry B, 2006, 110, pp.15878-15886. ⟨10.1021/jp060840l⟩. ⟨hal-00112168⟩

  • Article dans une revue

Adsorption of functionalised thiols on gold surfaces: how to build a sensitive and selective sensor for a nitroaromatic compound?

F. Thery-Merland, Christophe Méthivier, Eric Pasquinet, Lionel Hairault, Claire-Marie Pradier

Adsorption of thiols of varying structures bearing amine, acid or aromatic functionalities was characterised by Polarisation Modulation Infrared Absorption Spectroscopy (PM-IRRAS). The so functionalised surfaces were then submitted to atmospheres containing traces of 2,4-…

Sensors and Actuators B: Chemical, 2006, 114, pp.223-228. ⟨10.1016/j.snb.2005.04.040⟩. ⟨hal-00111676⟩

  • Article dans une revue

Self-Assembling of Redox-Active Atrazine Poly(ethylenimine) Conjugates – Interfacial Electrochemical and Spectroscopic Characterization

Zhaohui Chen, Michèle Salmain, Claire-Marie Pradier, Nathalie Fischer-Durand, Alain Pailleret, Féthi Bedioui, Sandrine Zanna

Thin films of polymers tethered with both atrazine haptens and ferrocenyl (Fc) probes were formed on polycrystalline gold electrodes by taking advantage of the facile formation of self-assembled monolayers (SAMs) of thiolates. These films were characterized by polarization modulation Fourier…

Electroanalysis, 2006, 18 (7), pp.684-694. ⟨10.1002/elan.200503451⟩. ⟨inserm-00194708⟩

  • Article dans une revue

Homogeneous Supported Monolayer from Microbial Glycolipid Biosurfactant

Niki Baccile, Anyssa Derj, Cedric Boissiere, Vincent Humblot, Ariane Deniset-Besseau

The development of supported glycosylated lipid layers is an important trend in the field of glyconanomaterials for their interest in understanding sugar-sugar and protein-sugar interactions, these being at the core of cellular, bacterial or viral adhesion. The conventional self-assembled monolayer…

Journal of Molecular Liquids, 2022, 345 (117827), ⟨10.1016/j.molliq.2021.117827⟩. ⟨hal-03149331⟩

  • Article dans une revue

On the Comprehensive Precipitation of Hydroxyapatites Unraveled by a Combined Kinetic–Thermodynamic Approach

Corentin Reynaud, Cyril Thomas, Guylène Costentin

The present study combines experimental and theoretical approaches to investigate the competitive precipitation of calcium phosphates (CaPs) in aqueous solution in order to understand and control both the structural and textural properties of the synthesized hydroxyapatites (HAps). Some of the…

Inorganic Chemistry, 2022, 61 (7), pp.3296-3308. ⟨10.1021/acs.inorgchem.1c03884⟩. ⟨hal-03584442⟩

  • Article dans une revue

Dealuminated Beta Zeolite Modified by Alkaline Earth Metals

Karolina Chalupka, Renata Sadek, Laetitia Valentin, Yannick Millot, Christophe Calers, Magdalena Nowosielska, Jacek Rynkowski, Stanislaw Dzwigaj

Alkaline Earth metals (Mg, Sr, and Ca) were incorporated into the dealuminated mesoporous beta zeolite (DeAlBeta) by the two-step postsynthesis method. Physicochemical properties of both unmodified and alkaline Earth metal-modified DeAlBeta zeolite were characterized by XRD, DR UV-vis, FTIR, TPD of…

Journal of Chemistry , 2018, 2018, pp.1-11. ⟨10.1155/2018/7071524⟩. ⟨hal-03984227⟩

  • Article dans une revue

Particle Size Effects in the Selective Hydrogenation of Alkadienes over Supported Cu Nanoparticles

Giorgio Totarella, Jan Willem de Rijk, Laurent Delannoy, Petra de Jongh

Copper is considered an excellent alternative to noble-metal selective hydrogenation catalysts. Herein, we systematically studied the effect of Cu nanoparticle size (2-10 nm) in the selective hydrogenation of 1,3-butadiene in excess of propene. The catalysts exhibited particle size-dependent…

ChemCatChem, 2022, 14 (19), pp.e202200348. ⟨10.1002/cctc.202200348⟩. ⟨hal-04025498⟩

  • Article dans une revue

Microstructural, morphological characterization and corrosion behavior of sand cast AlSi10Cu(Fe) alloy in chloride solution

Belkacem Korichi, Nacer Zazi, Stéphanie Delbrel, Kieu Ngo, Jean Paul Chopart

In order to examine the relationship between the microstructure and the corrosion behavior in chloride solution, the microstructure of AlSi10Cu (Fe) sand cast aluminum alloy has been investigated by using different techniques including scanning electron microscopy, energy-dispersive spectroscopy, X…

Chemical Papers, 2022, 76, pp.2947-2967. ⟨10.1007/s11696-022-02064-9⟩. ⟨hal-03597124⟩

  • Article dans une revue

Special Issue “Selected Papers from the 5nd Edition of Global Conference on Catalysis, Chemical Engineering and Technology (CAT 2019)”

Stanislaw Dzwigaj, Arthur Nozik

The present Special Issue concerns the papers which have been presented at the fifth edition of the Global Conference on Catalysis, Chemical Engineering & Technology (CAT 2019) that promote linkage of the catalytic science, engineering and technology [...]

Catalysts, 2021, 11 (1), pp.65. ⟨10.3390/catal11010065⟩. ⟨hal-03995332⟩

  • Article dans une revue

Hydrothermally stable Pd/SiO2@Zr Core@Shell catalysts for diesel oxidation applications

Chih-Han Liu, Junjie Chen, Todd Toops, Jae-Soon Choi, Cyril Thomas, Michael Lance, Eleni Kyriakidou

Hydrothermally stable diesel oxidation catalysts (DOCs) with improved low-temperature activity are desired for the abatement of emissions from diesel vehicles. Herein, novel palladium(Pd)/SiO2(core)@Zr(shell) structured DOCs were developed. SiO2 was completely covered by an 8.4 nm thickness Zr-…

Chemical Engineering Journal, 2021, 425, pp.130637. ⟨10.1016/j.cej.2021.130637⟩. ⟨hal-03343231⟩