• Article dans une revue

Intensity-energy response function of Al/Cr-K α x-ray photoemission instruments: An inter-laboratory study

David Alamarguy, Damien Aureau, Thierry Conard, Nicolas Gauthier, Frédéric Georgi, Stéphane Guilet, Samar Hajjar-Garreau, Olivier Heintz, Guillaume Monier, Christophe Méthivier, Hervé Montigaud, Samantha Soulé, Olivier Renault, Rémi Lazzari

The question of the intensity-energy response of photoemission spectrometers has been approached through a round-robin involving 13 instruments working with low (Al/Mg-K) and high (Cr-K) energy photon sources. An algorithm based on the analysis of inelastic background previously proposed [S. Guilet…

Journal of Electron Spectroscopy and Related Phenomena, 2024, 276, pp.147486. ⟨10.1016/j.elspec.2024.147486⟩. ⟨hal-04722306⟩

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Going through the wine fining: Intimate dialogue between organics and clays

Pollyana Trigueiro, Silvia Pedetti, Baptiste Rigaud, Sebastien Balme, Jean-Marc Janot, Ieda M G Dos Santos, Régis Gougeon, Maria G Fonseca, Thomas Georgelin, Maguy Jaber

Wine chemistry inspires and challenges with its complexity and intriguing composition. In this context, the composites based on the use of a model protein, a polyphenol of interest and montmorillonite in a model hydroalcoholic solution have been studied. A set of experimental characterization…

Colloids and Surfaces B: Biointerfaces, 2018, 166, pp.79 - 88. ⟨10.1016/j.colsurfb.2018.02.060⟩. ⟨hal-01744266⟩

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Single-site and nano-confined photocatalysts designed in porous materials for environmental uses and solar fuels

Hiromi Yamashita, Kohsuke Mori, Yasutaka Kuwahara, Takashi Kamegawa, Meicheng Wen, Priyanka Verma, Michel Che

Silica-based micro-, meso-, macro-porous materials offer attractive routes for designing single-site photocatalysts, supporting semiconducting nanoparticles, anchoring light-responsive metal complexes, and encapsulating metal nanoparticles to drive photochemical reactions by taking advantage of…

Chemical Society Reviews, 2018, 47 (22), pp.8072-8096. ⟨10.1039/C8CS00341F⟩. ⟨hal-01959036⟩

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Elucidation of the low coverage chiral adsorption assembly of L-lysine on Cu(110) surface: A theoretical study

Frederik Tielens, Vincent Humblot, Claire-Marie Pradier

The adsorption of L-lysine on Cu(110) surface was studied using periodic DFT. The geometry is discussed in terms of the molecular electrostatic interactions, and electronic properties such as DOS. An STM image was simulated and compared with our recently obtained experimental results. Compelling…

Surface Science : A Journal Devoted to the Physics and Chemistry of Interfaces, 2008, 602 (5), pp.1032-1039. ⟨10.1016/j.susc.2007.12.033⟩. ⟨hal-01361368⟩

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On the detrimental effect of tungstates on the n-C10-SCR of NOx on Ag/g-Al2O3

Juliette Blanchard, Rachel P. Doherty, Hiu Ying Law, Christophe Méthivier, Cyril Thomas

The influence of the addition of W to Al2O3, promoted or not by Ag, on the n-C10 SCR of NOx was investigated. It was shown that the addition of W was detrimental to the n-C10 SCR reaction. Based on the NOx- TPD, the XPS and the n-C10 SCR measurements, it was concluded that the loss of activity…

Top. Catal., 2013, Springer Science+Business Media New York 2013, pp.134-139. ⟨10.1007/s11244-013-9942-3⟩. ⟨hal-01121204⟩

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Gold Grafted to Mesoporous Silica Surfaces, a Molecular Picture

A. Wojtaszek, I. Sobczak, M. Ziolek, Frederik Tielens

The adsorption of HAuCl(4), the typical precursor for gold grafting on metal oxide surfaces, is investigated on amorphous silica support. The adsorption of the precursor is investigated as a function of its chlorinated form, depending on the pH, using periodic DFT. The results are supported with…

Journal of Physical Chemistry C, 2009, 113 (31), pp.13855-13859. ⟨10.1021/jp9036815⟩. ⟨hal-01361364⟩

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Theoretical investigation of the inversion parameter in Co-3 (-) sAlsO4 (s=0-3) spinel structures

Frederik Tielens, M. Calatayud, R. Franco, J. M. Recio, J. Perez-Ramirez, C. Minot

The structural, energetic, and thermodynamic properties of the Co-3 (-) sAlsO4 (s = 0, 1, 2, and 3) crystal family are studied using periodic DFT calculations. We provide a quantitative discussion of the cation distribution effect on the cell parameter, the oxygen Wyckoff position, the interatomic…

Solid State Ionics, 2009, 180 (14-16), pp.1011-1016. ⟨10.1016/j.ssi.2009.03.023⟩. ⟨hal-01361360⟩

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Molybdenum oxide model catalysts and vanadium phosphates as actual catalysts for understanding heterogeneous catalytic partial oxidation reactions: A contribution by Jean-Claude Volta

Jacques C. Védrine, Graham J. Hutchings, Christopher J. Kiely

This review summarises and expands part of the work that Jean Claude Volta carried out during his scientific career at the Institut de Recherches sur la Catalyse (IRC), CNRS, University of Lyon in France. The first part deals with the structure sensitivity of molybdenum oxide (MoO3) for oxidation…

Catalysis Today, 2013, 217, pp.57-64. ⟨10.1016/j.cattod.2013.01.004⟩. ⟨hal-01121661⟩

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Highly active composite TiO2-polypyrrole nanostructures for water and air depollution under visible light irradiation

Xiaojiao Yuan, Marek Kobylanski, Zhenpeng Cui, Jian Li, Patricia Beaunier, Diana Dragoe, Christophe Colbeau-Justin, Adriana Zaleska-Medynska, Hynd Remita

Journal of Environmental Chemical Engineering, 2020, 8 (5), pp.104178. ⟨10.1016/j.jece.2020.104178⟩. ⟨hal-03437337⟩

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New route toward nanosized crystalline metal borides with tuneable stoichiometry and variable morphologies

Guillaume Gouget, Patricia Beaunier, David Portehault, Clément Sanchez

Herein we highlight for the first time the ability to tune the stoichiometry of metal boride nanocrystals through nanoparticle synthesis in thermally stable inorganic molten salts. Two metal-boron systems are chosen as case studies: boron-poor nickel borides and boron-rich yttrium borides. We show…

Faraday Discussions, 2016, 191, pp.511 - 525. ⟨10.1039/C6FD00053C⟩. ⟨hal-01440776⟩