• Article dans une revue

Influence of the Preparation Procedure of Vanadium-Containing SiBEA Zeolites on Their Catalytic Activity in Propene Epoxidation

Agnieszka Held, Jolanta Kowalska-Kuś, Yannick Millot, Frederic Averseng, Christophe Calers, Laetitia Valentin, Stanislaw Dzwigaj

Two series of V-containing BEA zeolite catalysts, VxSiBEA(I) and VxSiBEA(II), were prepared by a two-step postsynthesis preparation procedure which consists, in the first step, in the dealumination of TEABEA zeolites by a treatment with nitric acid solution to obtain SiBEA zeolites with a Si/Al…

Journal of Physical Chemistry C, 2018, 122 (32), pp.18570-18582. ⟨10.1021/acs.jpcc.8b05731⟩. ⟨hal-01909346⟩

• Article dans une revue

Influence of the Hydrogenation Step on Selectivity during the Nonoxidative Oligomerization of Methane to Alkanes on Pt/SiO2Catalysts (EUROPt-1)

E. Marceau, Jean-Michel Tatibouet, Michel Che, Jacques Saint-Just

Journal of Catalysis, 1999, 183 (2), pp.384-395. ⟨10.1006/jcat.1999.2400⟩. ⟨hal-03032221⟩

• Article dans une revue

Effect of nanocrystallization on the structure and the magnetic properties of Nd–Fe–Co–Al–B glassy alloy

Lotfi Bessais, C. Djéga-Mariadassou, P. Beaunier

Nd 40 Fe 30 Co 15 Al 10 B 5 bulk amorphous prepared by high energy milling shows a coercivity of 650kA∕m with a Curie temperature of 645K. The controlled nanocrystallization enhances the coercivity to 1600kA∕m and the remanence ratio is equal to 0.59. The coexistence of two crystalline magnetic…

Journal of Applied Physics, 2006, 99 (9), ⟨10.1063/1.2195367⟩. ⟨hal-04232420⟩

• Thèse

Bulk TiO2 vs alternative Ti-based photocatalysts for the mild aerobic oxidation of alcohols, Masse de TiO2 versus photocatalyseurs alternatifs à base de titane de l’oxydation ménagée et aérobie d’alcools

Diaa Obaid

A series of metal oxides semiconductors, including commercially available TiO2 or synthesized mesoporous samples, were tested as photocatalysts for the aerobic mild oxidation of alcohols in acetonitrile under UV. Benzyl alcohol, used as a reference, was oxidized mainly into benzaldehyde. Best yield…, Des oxydes semi-conducteurs, en particulier TiO2 commercialement disponible ou des échantillons mésoporeux synthétisés, ont été testés comme photocatalyseurs de l'oxydation ménagée et aérobie d'alcools dans l'acétonitrile sous UV. L'alcool benzylique a été oxydé principalement…

Theoretical and/or physical chemistry. Université Pierre et Marie Curie - Paris VI, 2017. English. ⟨NNT : 2017PA066578⟩. ⟨tel-01913747⟩

• Article dans une revue

Influence of Magnesium Substitution on the Basic Properties of Hydroxyapatites

Sarah Diallo-Garcia, Danielle Laurencin, Jean-Marc Krafft, Sandra Casale, Mark E. Smith, Hélène Pernot, Guylène Costentin

Magnesium-substituted hydroxyapatites (HAP) have been prepared to evaluate the influence of cationic substitution on the surface basic properties of HAP. Despite successful introduction of some of the magnesium cations into the HAP structure (as evidenced by XRD, infrared, and Raman), no influence of…

Journal of Physical Chemistry C, 2011, 115, pp.24317-24327. ⟨10.1021/jp209316k⟩. ⟨hal-00653862⟩

• Article dans une revue

Crystalline Molybdenum Oxide Layers as Efficient and Stable Hole Contacts in Organic Photovoltaic Devices

Mehrad Ahmadpour, André Fernandes Cauduro, Christophe Méthivier, Birgit Kunert, Chiara Labanti, Roland Resel, Vida Turkovic, Horst-Günter Rubahn, Nadine Witkowski, Andreas K. Schmid, Morten Madsen

ACS Applied Energy Materials, 2018, 2 (1), pp.420-427. ⟨10.1021/acsaem.8b01452⟩. ⟨hal-02097260⟩

• Article dans une revue

Influence of the temperature on the reduction mechanism of concentrated nitric acid on a silicon-enriched austenitic stainless steel

I. Bahtit, N. Gruet, B. Puga, X.R. Nóvoa, Cyril Thomas, V. Vivier

Corrosion of silicon-enriched stainless steel in nitric acid strongly depends on the temperature of the electrolyte. Therefore, the reduction reaction of nitric acid on this material was investigated from 40 to 107 °C. For the first time, the autocatalytic reduction mechanism of nitric acid…

Electrochimica Acta, 2023, 446, pp.142068. ⟨10.1016/j.electacta.2023.142068⟩. ⟨hal-04257869⟩

• Article dans une revue

Organo-NOx formation-decomposition as the origin of the changes in the low temperature NO-TPD profile in the presence of n-decane on Ag/γ-Al2O3

Kinga Malinger, Juliette Blanchard, Rachel P. Doherty, Cyril Thomas

The NOx desorption profiles obtained in O2-He and n-C10-O2-He were compared on γ-Al2O3 and Ag/γ-Al2O3. On Ag/γ-Al2O3, the low-temperature NOx desorption profiles obtained in n-C10-O2-He were significantly different from those obtained in O2-He. In particular, at 190-220 °C excess release of NO,…

Catalysis Communications, 2014, 46, pp.81-85. ⟨10.1016/j.catcom.2013.11.017⟩. ⟨hal-00982268⟩

• Article dans une revue

Layer-by-Layer Assembly of Nanosized Membrane Fractions for the Assessment of Cytochrome P450 Xenobiotic Metabolism

Paul Quantin, Elodie Colaço, Karim El Kirat, Christophe Egles, Hervé Ficheux, Jessem Landoulsi

Herein, we report the use of sequential layer-by-layer (LbL) assembly to design nanostructured films made of recombinant bacterial membrane fractions (MF), which overexpress cytochrome P450 (CYP) and cytochrome P450 reductase. The ability to incorporate MF in LbL multilayered films is demonstrated…

ACS Omega, 2018, 3 (10), pp.12535 - 12544. ⟨10.1021/acsomega.8b01738⟩. ⟨hal-01934732⟩

• Article dans une revue

HgTe Nanocrystal Inks for Extended Short‐Wave Infrared Detection

Bertille Martinez, Julien Ramade, Clément Livache, Nicolas Goubet, Audrey Chu, Charlie Gréboval, Junling Qu, William L Watkins, Loic Becerra, Erwan Dandeu, Jean Louis Fave, Christophe Méthivier, Emmanuelle Lacaze, Emmanuel Lhuillier

Short‐wave infrared (IR) detection is currently driven by InGaAs technology which has limited the perspective of cost effectiveness and consequently slows the development of IR sensors. Since organic electronics are ineffective in this wavelength range, an alternative to conductive polymers is the…

Advanced Optical Materials, 2019, pp.1900348. ⟨10.1002/adom.201900348⟩. ⟨hal-02134751⟩