Laboratoire de réactivité de surface

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  • Article dans une revue

Selective Formation of Epoxylimonene Catalyzed by Phosphonyl/Arsonyl Derivatives of Trivacant Polyoxotungstates at Low Temperature

Ourania Makrygenni, Louise Vanmairis, Sabrina Taourit, Franck Launay, Alain Shum Cheong Sing, Anna Proust, Hélène Gérard, Richard Villanneau

The catalytic performances of three organophosphonyle/arsonyle derivatives of POMs were evaluated for the epoxidation of limonene in acetonitrile, using aqueous H2O2 as the oxidant. All three W-based POMs catalysts operated without any additional transition-metal ions and displayed excellent…

European Journal of Inorganic Chemistry, 2019, 2020 (7), pp.605-612. ⟨10.1002/ejic.201901152⟩. ⟨hal-02426557⟩

  • Communication dans un congrès

Cristallisation de nanoparticules d'oxydes (MnO2, Co3O4, gamma-Fe2O3) dans les mésopores de silices

Anne Davidson, Vincent Dupuis, Regine Perzynski, Nissrine El Hassan, Marianne Imperor-Clerc, Dominique Bazin, Patricia Beaunier, Marie Dominique Appay

Du fait du grand nombre d'atomes exposés sur leur surface et de propriétés redox particulières, des nanoparticules d'oxydes de métaux de transition pourraient avantageusement remplacer les métaux nobles pour la gestion de problèmes environnementaux (élimination de CO à basse température,…

Cristallisation de nanoparticules d'oxydes (MnO2, Co3O4, gamma-Fe2O3) dans les mésopores de silices SBA-15: modifications structurales et propriétés rédox en fonction de la taille, Nov 2006, Dijon, France. ⟨hal-00172108⟩

  • Article dans une revue

Time-resolved infrared spectroscopy in the study of photosynthetic systems.

Alberto Mezzetti, Winfried Leibl

Time-resolved (TR) infrared (IR) spectroscopy in the nanosecond to second timescale has been extensively used, in the last 30 years, in the study of photosynthetic systems. Interesting results have also been obtained at lower time resolution (minutes or even hours). In this review, we first…

Photosynthesis Research, 2017, 131 (2), pp.121-144. ⟨10.1007/s11120-016-0305-3⟩. ⟨hal-01451714⟩

  • Article dans une revue

Cobalt on dealuminated-Siβ as a catalyst for the oxidative dehydrogenation of propane

Stanislaw Dzwigaj, Diane Reja, Saremblé Koné-Guira, Antoine Miche, Guylène Costentin, Cyril Thomas

The present work aims at investigating the oxidative dehydrogenation of propane (ODHP) catalytic properties of Co species supported on a Siβ zeolitic support. The Co2+ species incorporated in the silanol nests created by dealumination of a HAlSiβ pristine support (Co-Siβ) appeared to be about 4…

Applied Catalysis A : General, 2023, 657, pp.119119. ⟨10.1016/j.apcata.2023.119119⟩. ⟨hal-04193203⟩

  • Article dans une revue

Combined ATR-FTIR and DFT Study of Cyclohexanone Adsorption on Hydrated TiO2 Anatase Surfaces

Ana Rita Almeida, Monica Calatayud, Frederik Tielens, Jacob A. Moulijn, Guido Mul

The adsorption of cyclohexanone on different planes ((100), (101), and (001)) of anatase TiO2, with variable level of hydration, was evaluated by density functional theory (DFT) calculations. Surface hydration was found to affect the cyclohexanone adsorption enthalpy and the calculated infrared…

Journal of Physical Chemistry C, 2011, 115, pp.14164. ⟨10.1021/jp1122129⟩. ⟨hal-00676618⟩

  • Thèse

Emergence de biopolymères de complexite contrôlée dans les scénarios d'origine de la vie, Emergence of biopolymers with controlled complexity in an origins of life scenario

Lise Bedoin

La matière vivante se caractérise par la présence de biopolymères non aléatoires dont la fonction biologique dépend de la séquence en monomères. Pour comprendre les origines de la vie, il est essentiel d’expliquer l’émergence de polymères non aléatoires dans un monde où les cellules vivantes n’…, Living matter is characterized by the presence of non-random biopolymers whose biological function depends on the monomer sequence. Thus, a major challenge for the elucidation of the Origins of Life lies in understanding how non-random polypeptides were formed and selected among all of the possible…

Polymères. Sorbonne Université, 2021. Français. ⟨NNT : 2021SORUS229⟩. ⟨tel-03475214⟩

  • Communication dans un congrès

Caracterización in-operando de catalizadores Fe-N-C para la reducción del H2O2 mediante microscopía electroquímica de barrido

Carlos M Sánchez-Sánchez, Christian Candia-Onfray, Ricardo Venegas, Lin Zhang, Sophie Juillard, Ricardo Salazar, José F. Marco, Nieves Menendez, Francisco Javier Recio, Vincent Vivier

Se han desarrollado diferentes rutas sintéticas para obtener catalizadores pirolizados Fe-N-C muy activos para la reacción de reducción de oxígeno (ORR). En particular, presentamos aquí las bases nitrogenadas del ADN y el ARN como precursores de C-N [1]. El H2O2 formado como subproducto durante la…

XLII reunion del Grupo Especializado de Electoquimica de la RSEQ (42 GERSEQ 2022), Jul 2022, Santander, España. ⟨hal-03988309⟩

  • Article dans une revue

Electrochemistry of a new carbon-rich fluorine-doped tin oxide (CFTO) material as a powder electrode in chloride electrolytes

Chantal Cachet, Hubert Cachet, B Jousseaume, T Toupance, Vincent Vivier

The electrochemical behavior of a conductive carbon-rich fluorine-doped tin oxide (CFTO) powder synthesized via the sol–gel process was investigated by studying the chloride oxidation reaction in aqueous media with the help of a cavity microelectrode (CME) without any binding additive. This new…

Electrochimica Acta, 2002, 47 (9), pp.1385-1394. ⟨10.1016/S0013-4686(01)00873-8⟩. ⟨hal-04228572⟩

  • Article dans une revue

The Impact of Reduction Temperature and Nanoparticles Size on the Catalytic Activity of Cobalt-Containing BEA Zeolite in Fischer–Tropsch Synthesis

Karolina A Chalupka, Jacek Grams, Pawel Mierczynski, Malgorzata I Szynkowska, Jacek Rynkowski, Thomas Onfroy, Sandra Casale, Stanislaw Dzwigaj

A goal of this work was to investigate the influence of the preparation procedure and activation conditions (reduction temperature and reducing medium: pure hydrogen (100% H 2) or hydrogen-argon mixture (5% H 2-95% Ar)) on the activity of Co-containing BEA zeolites in Fischer-Tropsch synthesis.…

Catalysts, 2020, 10 (5), pp.553. ⟨10.3390/catal10050553⟩. ⟨hal-03987087⟩

  • Article dans une revue

Tunable hierarchical porous silica materials using hydrothermal sedimentation-aggregation technique

Abdelali Zaki, Jing Xu, Grégory Stoclet, Sandra Casale, Jean-Philippe Dacquin, Pascal Granger

Herein, a simple and efficient synthesis based on a dual templating approach allow the preparation of tunable macroporous mesoporous silica materials. Macropores incorporation has been obtained using polymer spheres of well-defined size and their subsequent removal by thermal treatment allowed the…

Microporous and Mesoporous Materials, 2015, Microporous and Mesoporous Materials, 208, pp.140-151. ⟨10.1016/j.micromeso.2015.01.041⟩. ⟨hal-03033078⟩