Organic Electrochemistry
Mostrando 1-12 de 15 artigos, teses e dissertações.
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1. IMOBILIZAÇÃO DE COMPLEXO DE RUTÊNIO CONTENDO BASE DE SCHIFF NA UNIDADE METALOORGÂNICA UiO-67
Zirconium-based metal-organic framework, UiO-67, was synthesized and used as support for the immobilization of the [RuCl2(ENAPY)] (ENAPY = N,N'-bis(7-metyl-2-pyridylmethylene)-1,2-diiminoethane)). The immobilized system exhibited violet-blue color. The {UiO-67/[RuCl2(ENAPY)]} was characterized by cyclic voltammetry, X-ray diffraction, UV-Vis, FTIR and X-ray
Quím. Nova. Publicado em: 2018-07
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2. Degradation of the Dye Reactive Blue 4 by Coupled Photoassisted Electrochemistry at DSA®-Type Electrode
We investigated the photoelectrochemical oxidation of the dye Reactive Blue 4 in the presence of a DSA®-type electrode of nominal composition Ti/Ru0.3Ti0.7O2 under ultraviolet radiation, aiming to enhance the degradation yields of this dye. We conducted the photoelectrocatalytic treatment under galvanostatic control, using an 80 W mercury vapor lamp as the
J. Braz. Chem. Soc.. Publicado em: 2016-05
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3. Preparação e caracterização eletroquímica de filmes finos de nanotubos de carbono depositados sobre ITO / Preparation and electrochemical characterization of thin films of carbon nanotubes deposited on ITO
In this work were carried out some studies on electrochemical properties of carbon nanotubes (CNT) thin films deposited on ITO (Indium Tin Oxide) electrodes by electrophoretic deposition (EPD). Capacitance and electrochemical area measurements were made with films of three types of nanotubes with different dimensions and previous treatments. All measurements
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 25/07/2011
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4. Eletrodos de diamante dopado com boro como ferramenta de detecção na interface biodiesel/eletrólito de suporte / Boron-doped diamond electrodes as an interesting detection tool to be used in the biodiesel/support electrolyte interface
This work describes the utilization of a boron-doped diamond electrode (BDD) in conjunction of the Square Wave Voltammetry (SWV) technique, aiming to realize the detection of some organic molecules (Pararosaniline chloride, Dextromethorphan e Benzene) e in aqueous media and in the biodiesel/support electrolyte interface. Different biodiesel samples were synt
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 17/09/2009
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5. Aspectos mecanísticos da bioatividade e toxicidade de nitrocompostos
Nitrocompounds are bioactive molecules used as antibacterial, antiparasitic and antitumoral agents. In the past of years, these molecules have been broadly studied in several fields, such as medicinal chemistry, organic chemistry, biochemical, toxicology and electrochemistry. The nitrocompounds mode of action involves the biotransformation of the nitro group
Química Nova. Publicado em: 2009
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6. Eletrocatálise utilizando líquidos iônicos e consumo químico de óxidos / Electrocatalysis using ionic liquids and chemical comsumption of platinum oxides
This dissertation is divided on two parts. The first one deals with fundamental electrochemistry employing an ionic liquid as supporting electrolyte and as a subject of study by itself. Phenomena like the anodic and cathodic stability of the liquid, emphasizing its degradation mechanism is presented. It is also shown a study of the electrocatalytic oxidation
Publicado em: 2009
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7. Novos materiais para aplicações analíticas nas determinações de compostos orgânicos de interesse farmacêutico e ambiental / New materials for analytical application in organic compound determination for pharmaceutical and environmental interests
Carbon film sensors, built from resistors of 2 Ω nominal resistance, were employed for application in the environment and pharmaceutical fields without previous modification of the electrode surface. When these sensors are electrochemically treated they obtain a wider potential window (both anodic and cathodic regions) than many other forms of carbon. D
Publicado em: 2009
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8. Conductive diamond electrodes for water purification
Nowadays, synthetic diamond has been studied for its application in wastewater treatment, electroanalysis, organic synthesis and sensor areas; however, its use in the water disinfection/purification is its most relevant application. The new electrochemistry applications of diamond electrodes open new perspectives for an easy, effective, and chemical free wat
Materials Research. Publicado em: 2007-12
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9. Preparation, characterization and aplication of anodes of nominal composition Ti/RuyTi(1-y-x)SnxO2 in the degradation electrochemical of chlorophenols / Preparação, caracterização e aplicação de ânodos de composição nominal Ti/RuyTi(1-y-x)SnxO2 na degradação eletroquímica de clorofenóis
In this work oxides electrodes of nominal composition Ti/RuyTi(1-y-x)SnxO2 were prepared by thermal decomposition (400 °C) by three different routes: Traditional Method using inorganic precursors dissolved in either Isopropanol (MT/ISO) or a solution of HCl 1:1 (v/v) (MT/HCl) and the Polymeric Precursors Method (MPP).Oxides coatings were characterized by Sc
Publicado em: 2007
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10. Electrochemistry control of humic acid and algae using a reactor with diamond film electrode / Controle eletroquimico de acido humico e algas usando um reator com eletrodo de filme de diamante
The presence of humic acids and algae in supplying water and swiming pools may be harmful to the health. This work reports the results obtained in electrooxidation of humic acid and algae using a boron doped diamond (BDD) anode. In this treatment, the solution is percolated through a filter press reactor with a BDD anode polarized at constant current. The ef
Publicado em: 2007
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11. Chemometric methods in the electrochemical studies of phenols on boron-doped diamond films / Metodos quimiometricos em estudos eletroquimicos de fenois sobre filmes de diamante dopado com boro
The subject of this work is the application of chemometric methods in the analysis of the data obtained from electrochemical measurements of phenol compounds on boron-doped diamond electrodes (BDD). BDD films were grown from ethanol and characterized using different techniques. These materials showed good electrochemical qualities. A comparison between BDD a
Publicado em: 2007
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12. Filmes híbridos orgânico-inorgânicos a partir de óleo de soja funcionalizado
Organic-inorganic hybrids materials can be prepared by the sol-gel process and have applications in biomaterials, catalysis, optics, membranes, chromatography, electrochemistry and coatings. Vegetable oils can be used as organic component for the preparation of these materials and, as they are biodegradable and obtained from natural and renewable sources, th
Publicado em: 2006