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Center for Excellence in Electrochemically Synthesized Nanostructures


The main purpose of the Center for Excellence in Electrochemically Synthesized Nanostructures (ESNAS) is the use of electrochemical techniques to produce electronic, magnetic and optical materials. Due to the innumerable possibilities available for manufacturing materiaIs using electrochemical procedures, which include control on the nanometric scale, almost every type of material, including metal films, metallic alloys, superlattices, semiconductors and insulators can be prepared and used for manufacturing devices. These materiaIs can be either organic or inorganic and can range from highly crystalline to amorphous. This project presents a multidisciplinary proposal for the study of nanostructured materials, which will involve every phase of scientific development. The main objectives will be as follows: 1-) electrodeposit metals, metallic multilayers and alloys to study their structural, electrochemical and magnetic characteristics. The systems investigated will be used to build magnetic devices and to serve as electrocatalysts. 2-) prepare anodic oxide films with luminescent and electroluminescent properties using the anodic doping processo Prepare metal and alloy nanowires in anodic oxide templates to study their magnetic properties. Investigate the mechanisms of dielectric breakdown and anodic doping. 3-) based on electrochemical and chemical techniques, synthesize pure polymers, blends and composites of nanostructured conducting polymers for application in electronic and optical recording devices. Characterize the electrochemical, electric, magnetic, and optical properties of these materials. 4-) finally, we propose to create an Internet website for the dissemination of scientific and technological knowledge, using language accessible to the general public, with special attention focusing on elementary and secondary students. (AU)

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Scientific publications (20)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
FREITAS, RENATO GARCIA; BATISTA, EVELINE CRISTINE; CASTRO, MARCELA PORTES; OLIVEIRA, ROBSON T. S.; SANTOS, MAURO COELHO; PEREIRA, ERNESTO CHAVES. Ethanol Electrooxidation on Bi Submonolayers Deposited on a Pt Electrode. ELECTROCATALYSIS, v. 2, n. 3, p. 224-230, . (10/05555-2, 03/09933-8)
SIKORA, M. S.; TRIVINHO-STRIXINO, F.; BELLO, M. E. B. R.; PEREIRA, E. C.. Using a galvanostatic anodization system as a water heater. Journal of Applied Electrochemistry, v. 39, n. 10, p. 1883-1887, . (03/09933-8)
BERGAMASKI, F. O. F.; SANTOS, M. C.; NASCENTE, P. A. P.; BULHÕES, L. O. S.; PEREIRA, E. C.. Electrochemical behavior of Ni particles modified polypyrrole films studied by EQCN technique. Journal of Electroanalytical Chemistry, v. 583, n. 1, p. 162-166, . (03/09933-8)
FREITAS, R. G.; MARCHESI, L. F. Q. P.; FORIM, M. R.; BULHOES, L. O. S.; PEREIRA, E. C.; SANTOS, M. C.; OLIVEIRA, R. T. S.. Ethanol Electrooxidation using Ti/(RuO2)((x)) Pt(1-x) Electrodes Prepared by the Polymeric Precursor Method. Journal of the Brazilian Chemical Society, v. 22, n. 9, p. 1709-1717, . (10/05555-2, 03/09933-8)
RONCONI, CELIA M.; RIBEIRO, CAUE; BULHOES, LUIZ O. S.; PEREIRA, ERNESTO C.. Insights for phase control in TiO2 nanoparticles from polymeric precursors method. Journal of Alloys and Compounds, v. 466, n. 1-2, p. 435-438, . (03/09933-8)
FREITAS, R. G.; SANTOS, MAURO COELHO DOS; OLIVEIRA, R. T. S.; BULHÕES, L. O. S.; PEREIRA, E. C.. Methanol and ethanol electroxidation using Pt electrodes prepared by the polymeric precursor method. Electrochemistry Communications, v. 158, n. 1, p. 164-168, . (03/09933-8)
GOMES, L.; FREITAS, R. G.; MALPASS, G. R. P.; PEREIRA, E. C.; MOTHEO, A. J.. Pt film electrodes prepared by the Pechini method for electrochemical decolourisation of Reactive Orange 16. Journal of Applied Electrochemistry, v. 39, n. 1, p. 117-121, . (03/09933-8)
FERNANDES‚ V.; KLEIN‚ JJ; MATTOSO‚ N.; MOSCA‚ DH; SILVEIRA‚ E.; RIBEIRO‚ E.; SCHREINER‚ WH; VARALDA‚ J.; DE OLIVEIRA‚ AJA. Room temperature ferromagnetism in Co-doped CeO_ {2} films on Si (001). Physical Review B, v. 75, n. 12, p. 121304, . (03/09933-8)
FREITAS‚ RG; ANTUNES‚ EP; PEREIRA‚ EC. CO and methanol electrooxidation on Pt/Ir/Pt multilayers electrodes. Electrochimica Acta, v. 54, n. 7, p. 1999-2003, . (03/09933-8)
TRIVINHO-STRIXINO‚ F.; GUIMARÃES‚ F.E.G.; PEREIRA‚ E.C.. Zirconium oxide anodic films: Optical and structural properties. Chemical Physics Letters, v. 461, n. 1, p. 82-86, . (03/09933-8)
OLIVEIRA, C. P.; CARDOSO, M. L.; OLIVEIRA, A. J. A.; PEREIRA, E. C.. Electrochemical Preparation of Overlapped Porous Layers on Anodic Alumina. Journal of Nanoscience and Nanotechnology, v. 9, n. 11, p. 6487-6493, . (03/09933-8)
R. G FREITAS; L. F. Q. P MARCHESI; M. R FORIM; L. O. S BULHÕES; E. C PEREIRA; M. C SANTOS; R. T. S OLIVEIRA. Ethanol electrooxidation using Ti/(RuO2)(x) Pt(1-x) electrodes prepared by the polymeric precursor method. Journal of the Brazilian Chemical Society, v. 22, n. 9, p. 1709-1717, . (10/05555-2, 03/09933-8)
CRISTOVAN, FERNANDO H.; LEMOS, SHERLAN G.; SANTOS, JANAINA S.; TRIVINHO-STRIXINO, FRANCISCO; PEREIRA, ERNESTO C.; MATTOSO, LUIZ H. C.; KULKARNI, RASHMI; MANOHAR, SANJEEV K.. Evaluation of the aniline chemical oxidation process using multiple simultaneous electrochemical responses. Electrochimica Acta, v. 55, n. 12, p. 3974-3978, . (03/09933-8, 05/00453-9)
CRISTOVAN, FERNANDO H.; LEMOS, SHERLAN G.; PEREIRA, ERNESTO C.. Systematic Evaluation of the Preparation of Conducting PANI/ABS Blends. Journal of Applied Polymer Science, v. 116, n. 2, p. 825-831, . (03/09933-8, 05/00453-9)
OLIVEIRA, R. T. S.; SANTOS, M. C.; MARCUSSI, B. G.; TANIMOTO, S. T.; BULHÕES, L. O. S.; PEREIRA, E. C.. Ethanol oxidation using a metallic bilayer Rh/Pt deposited over Pt as electrocatalyst. Journal of Power Sources, v. 157, n. 1, p. 212-216, . (03/09933-8)
FREITAS, RENATO G.; PEREIRA, ERNESTO C.; CHRISTENSEN, PAUL A.. The selective oxidation of ethanol to CO2 at Pt-pc/Ir/Pt metallic multilayer nanostructured electrodes. Electrochemistry Communications, v. 13, n. 10, p. 1147-1150, . (10/05555-2, 03/09933-8)
FREITAS, R. G.; ANTUNES, E. P.; CHRISTENSEN, P. A.; PEREIRA, E. C.. The influence of Ir and Pt1Ir1 structure in metallic multilayers nanoarchitectured electrodes towards ethylene glycol electro-oxidation. Journal of Power Sources, v. 214, p. 351-357, . (10/05555-2, 03/09933-8)
FREITAS‚ RG; OLIVEIRA‚ RTS; SANTOS‚ MC; BULHÕES‚ LOS; PEREIRA‚ EC. Preparation of Pt thin film electrodes using the Pechini method. Materials Letters, v. 60, n. 15, p. 1906-1910, . (03/09933-8)
LOPES‚ M.C.; OLIVEIRA‚ C.P.; PEREIRA‚ E.C.. Computational modeling of the template-assisted deposition of nanowires. Electrochimica Acta, v. 53, n. 13, p. 4359-4369, . (03/09933-8)

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