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Academic literature on the topic 'Voltamétrie cyclique'
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Dissertations / Theses on the topic "Voltamétrie cyclique"
Yazidi, Dounia. "Immobilisation controlée de la peroxydase du raifort à la surface d' électrode et analyse quantitative de son comportement par voltamétrie cyclique." Paris 7, 2005. http://www.theses.fr/2005PA077087.
Full textNaud, Cathy. "Synthèses de composés soufrés semi-fluorés (thiols, thioéthers, disulfures, trithiocarbonates) et études de monocouches sur or polycristallin par voltammétrie cyclique." Montpellier 2, 2000. http://www.theses.fr/2000MON20084.
Full textEmirkhanian, Rita. "Propriétés électrochimiques et mécaniques de fibres de polyaniline : Limites d'utilisation comme actionneurs." Ecully, Ecole centrale de Lyon, 2005. http://bibli.ec-lyon.fr/exl-doc/remirkhanian.pdf.
Full textPolyaniline belongs to the family of the intrinsic conducting polymers. It was very good electrical and electrochemical properties. It is an electroactif polymer. So, it is a candidate for the fabrication of pseudo muscular electrochemiomechanical actuators. Several devices have been developped and studied. In this work, actuators based on polyaniline fibers and presenting an unlimited lifetime are developped, by using new parameters of work : an organic dopant (AMPSA) and an ionic electrolyte (BMIM (PF6)). Studies realised by cyclic voltametry have showed that those systems present a very stable electrochemical response. However, a mechanical relaxation phenomenon occurs with time. So, it turned out necessary to study the mechanical and viscoelactic properties of the fibers in order to understand and try to solve this problem
Gueutin, Claire. "Etats réduits de porphyrines de fer simples et superstructurées : solvatation et complexation, réactivité vis-à-vis d'halogénures d'alkyle et du monoxyde de carbone." Paris 7, 1991. http://www.theses.fr/1991PA077236.
Full textTrippé, Gaëlle. "Du macrocycle complexant à l'electrode modifiée : synthèse et propriétés." Angers, 2001. http://www.theses.fr/2001ANGE0028.
Full textSeveral molecular receptors of metallic cations, associating the tetrathiafulvalene unit to a chelating site have been synthesized. The design optimization, in relation to the basic systems concerns : the redox site (the choice of a bis-pyrrolo TTF skeleton avoids the Z/E isomerization problems met with the tetrathio TTF derivatives) ; the chelating unit (the preparation of macrocycles varying by their size (polyoxaethylene chains) or by their nature (polyether chain, diazacrown, dioxocyclam) should allow trapping of other cations. These syntheses have been carried our using high-pressure or high-dilution techniques. Complexation properties of these host molecules have been determined using different methods (mass spectrometry, NMR, UV-visible spectroscopy and cyclic voltammetry). Unprecedented properties in the TTF receptors family, for the complexation of Ba2+ and Pb2+, have been found. The switchable character of metal chelation, as a function of the applied electrochemical potential, has been demonstrated by cyclic voltammetry. . .
Wang, Yu. "Synthèse, réactivité électrochimique et structure électronique de 1-R-métallatranes (M=Si,Sn)." Phd thesis, Université Rennes 1, 2012. http://tel.archives-ouvertes.fr/tel-00806250.
Full textSaadoune, Ismaël. "Les matériaux d'électrodes positives AxNi1-yCoyO2(A=Li, Na) : étude des relations : structure, propriétés physiques et comportement électrochimique." Phd thesis, Université Sciences et Technologies - Bordeaux I, 1992. http://tel.archives-ouvertes.fr/tel-00876921.
Full textAyingone, Mezui Charyle. "Synthèses et caractérisations électrochimiques de matériaux hybrides à base de polyoxométallates." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS513/document.
Full textPolyoxometalates (POMs) may be considered as molecular oxides containing transition metals. They form a family of inorganic molecular clusters with a variety of properties and a myriad of applications. They are used in different fields such as catalysis, biology or medicine. Carbon nanomaterials are a new class of materials known for their high surface area and enhanced electrical conductivity. This thesis focuses on the synthesis and study of different electro-catalytic molecular systems based on polyoxometalates and carbon materials (such as carbon nanotubes and graphene) for water oxidation or nitrogen oxides reduction. The first part of this thesis is devoted to the synthesis, physicochemical characterisation (infrared and UV-Vis spectroscopies, TGA) and the electrochemical study (cyclic voltammetry, coulometry, electrochemistry coupled with microbalance) of several poly-tungstic complexes sandwiching transition metals such as cobalt and/or manganese. Two of them, selected for the study of their electro-catalytic properties, show good electro-catalytic activity for nitrogen oxides reduction and water oxidation. The second part of this thesis is devoted to the optimisation of the electrochemical properties of POMs. For this, POMs are immobilised on structured carbon materials (graphene or single wall carbon nanotubes), and the composite materials obtained are characterised by different analytical techniques: X-ray photoelectron spectroscopy, infrared spectroscopy, cyclic voltammetry and coulometry
Lefèvre, Guillaume. "Etude mécanistique de réactions de couplage catalysées par des complexes du cuivre et du fer." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2012. http://tel.archives-ouvertes.fr/tel-00833319.
Full textBensalem, Samia. "Etudes mécanistiques de réactions de couplage carbone-carbone catalysées par le palladium." Paris 7, 2003. http://www.theses.fr/2003PA077136.
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