Laboratoire de réactivité de surface

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  • Article dans une revue

Influence of the nature and environment of vanadium in VSiBEA zeolite on selective catalytic reduction of NO with ammonia

R. Baran, T. Onfroy, T. Grzybek, S. Dzwigaj

The influence of the nature and environmental of vanadium on the catalytic properties of VxSiBEA zeolite in selective catalytic reduction of NO with ammonia is investigated. Catalysts containing 1-7.5 wt.% of vanadium were prepared by a two-step postsynthesis method which consists, in the first…

Applied Catalysis B: Environmental, 2013, 136-137, pp.186-192. ⟨10.1016/j.apcatb.2013.02.014⟩. ⟨hal-00812157⟩

  • Article dans une revue

Surface segregation in AuPd alloys: Ab initio analysis of the driving forces

Jérôme Creuze, Hazar Guesmi, Christine Mottet, Beien Zhu, Bernard Legrand

In order to determine the energetic driving forces for surface segregation in AuPd alloys, we use a combined approach coupling ab initio calculations and an analysis via an effective Ising model. Previously, this approach has been used successfully in the framework of N-body interatomic potentials…

Surface Science : A Journal Devoted to the Physics and Chemistry of Interfaces, 2015, 639, pp.48 - 53. ⟨10.1016/j.susc.2015.04.017⟩. ⟨hal-01378430⟩

  • Article dans une revue

A comparative in situ TEM and UV-visible spectroscopic study of the thermal evolution of Ag species dispersed on Al2O3 and NaX zeolite supports

Elie Sayah, Dalil Brouri, Pascale Massiani

The oxidation states and dispersion of silver supported on alumina and faujasite were monitored by TEM, TPR and in situ UV-visible spectroscopy along the steps of thermal dehydration, then oxidation and finally reduction of the freshly prepared materials. An original transmission electron…

Catalysis Today, 2013, 218-219, pp.10-17. ⟨10.1016/j.cattod.2013.06.003⟩. ⟨hal-00958109⟩

  • Communication dans un congrès

Unveiling the M−F/OH bonding and anionic ordering in Mg, Zn, Cu−based hydroxyfluorides for the design of basic catalysts

Helies Boumali, Matthew R. Suchomel, Étienne Durand, Thomas Onfroy, Guillaume Laugel, Hélène Pernot

Functional inorganic materials, mostly oxides but also fluorides, sulfides, or nitrides has led to the development of many modern technologies. The usual way to improve the chemical and physical properties of these materials was the cationic substitution in order to tune the chemical bonding. These…

15ème Journées Thématiques de l'Association Bordelaise de Cristallographie - JABC 2023, Association Bordelaise de Cristallographie, Jun 2023, Bordeaux, France. ⟨hal-04628119⟩

  • Article dans une revue

A MSFD complementary approach for the assessment of pressures, knowledge and data gaps in Southern European Seas: The PERSEUS experience

A. Crise, H. Kaberi, J. Ruiz, A. Zatsepin, E. Arashkevich, M. Giani, A.P. Karageorgis, L. Prieto, M. Pantazi, D. Gonzalez-Fernandez, M. Ribera D’alcalà, V. Tornero, V. Vassilopoulou, Xavier Durrieu de Madron, Cecile Guieu, P. Puig, A. Zenetos, B. Andral, D. Angel, D. Altukhov, Sakina-Dorothée Ayata, Y. Aktan, E. Balcioğlu, Fabio Benedetti, M. Bouchoucha, M.-C. Buia, J.-F. Cadiou, M. Canals, M. Chakroun, E. Christou, M.G. Christidis, G. Civitarese, V. Coatu, M. Corsini-Foka, S. Cozzi, A. Deidun, A. Dell’aquila, A. Dogrammatzi, C. Dumitrache, D. Edelist, O. Ettahiri, S. Fonda-Umani, S. Gana, F. Galgani, Stéphane Gasparini, A. Giannakourou, M.-T. Gomoiu, A. Gubanova, A.-C. Gücü, Ö. Gürses, G. Hanke, I. Hatzianestis, B. Herut, R. Hone, E. Huertas, J.-O. Irisson, M. İşinibilir, Julie Jimenez, S. Kalogirou, K. Kapiris, V. Karamfilov, S. Kavadas, Ç. Keskin, A.E. Kideyş, M. Kocak, G. Kondylatos, C. Kontogiannis, R. Kosyan, P. Koubbi, G. Kušpilić, R. La Ferla, L. Langone, S. Laroche, L. Lazar, E. Lefkaditou, I.E. Lemeshko, A. Machias, A. Malej, M.-G. Mazzocchi, V. Medinets, N. Mihalopoulos, S. Miserocchi, S. Moncheva, V. Mukhanov, G. Oaie, A. Oros, A.A. Öztürk, B. Öztürk, M. Panayotova, A. Prospathopoulos, G. Radu, V. Raykov, P. Reglero, G. Reygondeau, N. Rougeron, B. Salihoglu, A. Sanchez-Vidal, G. Sannino, C. Santinelli, D. Secrieru, G. Shapiro, N. Simboura, T. Shiganova, M. Sprovieri, K. Stefanova, N. Streftaris, V. Tirelli, M. Tom, B. Topaloğlu, N.E. Topçu, K. Tsagarakis, C. Tsangaris, G. Tserpes, S. Tuğrul, Z. Uysal, D. Vasile, K. Violaki, J. Xu, A. Yüksek, E. Papathanassiou

PERSEUS project aims to identify the most relevant pressures exerted on the ecosystems of the Southern European Seas (SES), highlighting knowledge and data gaps that endanger the achievement of SES Good Environmental Status (GES) as mandated by the Marine Strategy Framework Directive (MSFD). A…

Marine Pollution Bulletin, 2015, 95 (1), pp.28-39. ⟨10.1016/j.marpolbul.2015.03.024⟩. ⟨hal-01169407⟩

  • Article dans une revue

Polyol synthesis and magnetic study of Mn3O4 nanocrystals of tunable size

Lorette Sicard, Jean-Marc Le Meins, Christophe Methivier, Frederic Herbst, Souad Ammar

Nanosized manganese oxide particles were prepd. by the so-called polyol process. The av. diam. of the particles was controlled by the growth time. XRD, TEM and x-ray photon spectroscopy (XPS) show that the particles are well crystd., pure, stoichiometric Mn3O4 single crystals of uniform size…

Journal of Magnetism and Magnetic Materials, 2010, 322 (18), pp.2634-2640. ⟨10.1016/j.jmmm.2010.03.016⟩. ⟨hal-00604799⟩

  • Communication dans un congrès

Deciphering interfacial capacitance of passive electrode : contribution of the double layer

Oumaïma Gharbi, Mai T.T. Tran, Mark E Orazem, Bernard Tribollet, Mireille Turmine, Vincent Vivier

The analysis of the EIS response of passive film remains a difficult challenge since it usually results in a non-ideal behavior of the dielectric properties of the film and mainly relies on the assumption that the contribution of the double layer can be neglected. The later an approximation can be…

12th International Symposium on Electrochemical Impedance Analysis (EIA), ISE, Nov 2021, Online conference, Germany. ⟨hal-04013493⟩

  • Article dans une revue

Catalytic activity of HAlBEA and NixHAlBEA zeolites in hydrogen-assisted dehydrochlorination of 1,2-dichloroethane into vinyl chloride monomer

Rafal Baran, Anna Srebowata, I.I. Kaminska, D. Łomot, Stanislaw Dzwigaj

HAlBEA zeolite is prepared by calcination of parent TEABEA zeolite at 823 K for 3 h in air following ionic exchange with NH4NO3 solution. NixHAlBEA zeolites are prepared by impregnation of HAlBEA with an aqueous solution of Ni(NO3)2, following a drying at 333 K to obtain NixHAlBEA. The calcination…

Microporous and Mesoporous Materials, 2013, 180, pp.209-218. ⟨10.1016/j.micromeso.2013.06.037⟩. ⟨hal-00910991⟩

  • Communication dans un congrès

On the graphical analysis of the impedance response of passive electrodes

Mai T.T. Tran, Oumaïma Gharbi, Mark E Orazem, Bernard Tribollet, Mireille Turmine, Vincent Vivier

The analysis of the capacitive behavior of a passive electrode is often a difficult subject because the response obtained by electrochemical impedance spectroscopy (EIS) is characterized by a non-ideal behavior that we try to model by using a constant phase element (CPE) [1, 2]. In doing so, both…

241st ECS Meeting of The Electrochemical Society, ECS, May 2022, Vancouver (CA), Canada. ⟨hal-03994070⟩

  • Article dans une revue

On-line inductively coupled plasma-atomic emission spectroelectrochemistry: Real-time element-resolved electrochemistry

Borhan Bin Mohamad Sultan, Oumaïma Gharbi, Kevin Ogle, Junsoo Han

Electrochemical techniques are coupled with inductively coupled plasma (ICP) atomic emission spectrometry for in-line electrolyte analyses. In this way, direct measurement of the elemental dissolution rates in real-time or element-resolved electrochemistry can be carried out, complementary to…

Current Opinion in Electrochemistry, 2023, 41, pp.101350. ⟨10.1016/j.coelec.2023.101350⟩. ⟨hal-04211090⟩