Laboratoire de réactivité de surface

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  • 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⟩

  • 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⟩

  • Thèse

Interaction of proteins with chemically controlled surfaces for biosensor development, Interactions des protéines avec des surfaces chimiquement contrôlées pour le développement de bio-senseurs

Victor Lebec

In this work we studied protein adsorption on chemically well-controlled surfaces. The focus is put on linking physico-chemical properties of surfaces (hydrophobicity/charge) to the structural properties of the adsorbed proteins. To this end, alkyl thiols differing by their end group were used to…, Dans ce travail, nous étudions l’adsorption de protéines sur des surfaces chimiquement contrôlées. Le but est d’établir le lien entre les propriétés physico-chimiques de la surface (hydrophobicité /charge) et la structure physique de protéines. Des couches auto-assemblées de thiols ayant des…

Chemical Physics [physics.chem-ph]. Université Pierre et Marie Curie - Paris VI; Université catholique de Louvain (1970-..), 2014. English. ⟨NNT : 2014PA066095⟩. ⟨tel-01066132⟩

  • Article dans une revue

Peptide Interactions with Metal and Oxide Surfaces

Anne Vallee, Vincent Humblot, Claire-Marie Pradier

Increasing interest in bio-interfaces for medical, diagnostic, or biotechnology applications has highlighted the critical scientific challenge behind both the understanding and control of protein-solid surface interactions. In this context, this Account focuses on the molecular-level…

Accounts of Chemical Research, 2010, 43 (10), pp.1297-1306. ⟨10.1021/ar100017n⟩. ⟨hal-00604811⟩

  • Article dans une revue

Rheo-SAXS study of a shear-thinning hydrogel containing clay nanoplatelets

Claire Hotton, Guylaine Ducouret, Juliette Sirieix-Plénet, Thomas Bizien, Clément Guibert, Pierre Levitz, Laurent Michot, Natalie Malikova

Shear-induced orientation of clay nanoplatelets within a physically cross-linked hydrogel based on ionenes, positively charged polyelectrolytes, is studied here. Small angle X-ray scattering measurements (SAXS) are performed under shear within a Couette cell cylinder (rheo-SAXS). As the SAXS signal…

Applied Clay Science, 2024, 255 (107392), ⟨10.1016/j.clay.2024.107392⟩. ⟨hal-04440893v2⟩

  • Article dans une revue

Polyol-mediated syntheses of crystalline nanosized manganese oxides

Guiqiang Diao, François Chau, Jean-Yves Piquemal, Emmanuel Briot, Souad Ammar, Mickaël Sicard, Sophie Nowak, Patricia Beaunier, Hélène Lecoq, P. Decorse, Lin Yu

Potassium-type birnessite and lithium-containing manganese oxides were prepared by the polyol process. The Mn(III)/Mn(IV) mixed-valencies compounds are obtained through the controlled reduction of potassium permanganate in a basic water–diethylene glycol mixture at moderate temperature and very…

Journal of Nanoparticle Research, 2014, 16 (6), pp.2428. ⟨10.1007/s11051-014-2428-9⟩. ⟨hal-01117188⟩

  • Article dans une revue

Toward new proton exchange batteries based on ionic liquid electrolyte: Metal hydride electrode / electrolyte coupling

Nesrine Chaabene, J. Zhang, Mireille Turmine, E. Kurchavova, Vincent Vivier, F. Cuevas, M. Mateos, M. Latroche, J. Monnier

The voltage of an alkaline electrolyte-based battery is limited by the narrow electrochemical stability window of water. As an alternative to water, protic ionic liquid (IL)-based electrolytes have shown excellent conducting properties as well as a wide electrochemical stability window, and can…

Journal of Power Sources, 2023, 574, pp.233176. ⟨10.1016/j.jpowsour.2023.233176⟩. ⟨hal-04129101⟩

  • Article dans une revue

HRTEM and STEM-HAADF characterisation of Au-TiO2 and Au-Al2O3 catalysts for a better understanding of the parameters influencing their properties in CO oxidation

L. Delannoy, R.L. Chantry, S. Casale, Z.Y. Li, Yves Borensztein, C. Louis

Gold catalysts supported on titania (Au-TiO2) and alumina (Au-Al2O3) were prepared by deposition- precipitation with urea and then activated before characterisation and reaction in CO oxidation, either by calcination in air at 500 1C or reduction under H2 at 300 1C. Gold nanoparticles with average…

Physical Chemistry Chemical Physics, 2013, 15, pp.3473-3479. ⟨10.1039/c2cp44157h⟩. ⟨hal-00811527⟩

  • Article dans une revue

Beyond simple AB diblock copolymers: application of bifunctional and trifunctional RAFT agents to PISA in water

Gaëlle Mellot, Patricia Beaunier, Jean-Michel Guigner, Laurent Bouteiller, Jutta Rieger, François Stoffelbach

The influence of the macro-RAFT agent architecture on the morphology of the self-assemblies obtained by aqueous RAFT dispersion polymerization in PISA is studied by comparing amphiphilic AB diblock, (AB)2 triblock and triarm-star shaped (AB)3 copolymers, constituted of N,N-dimethylacrylamide (DMAc…

Macromolecular Rapid Communications, 2019, 25 (12), ⟨10.1002/marc.201800315⟩. ⟨hal-02404754⟩

  • Article dans une revue

Solvent effects on the vibrational spectrum of 3-hydroxyflavone

Ari Paavo Seitsonen, Abdenacer Idrissi, Stefano Protti, Alberto Mezzetti

3-hydroxyflavone (3HF) is a widely studied molecule that acts as a simplified prototype of biological, more complex flavonoids. Its solvation mechanism is still under investigation. Here we report a joint experimental and simulation study of the vibrational properties of 3HF in gas phase and in…

Journal of Molecular Liquids, 2019, 275, pp.723-728. ⟨10.1016/j.molliq.2018.11.020⟩. ⟨hal-02404703⟩