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Theoretical study of spatio-temporal behavior in electrochemical systems

Grant number: 12/24368-4
Support Opportunities:Scholarships abroad - Research Internship - Post-doctor
Start date: July 01, 2013
End date: December 31, 2013
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Physical-Chemistry
Principal Investigator:Hamilton Brandão Varela de Albuquerque
Grantee:Melke Augusto do Nascimento
Supervisor: Ralf Markus Eiswirth
Host Institution: Instituto de Química de São Carlos (IQSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Institution abroad: Max Planck Society, Berlin, Germany  
Associated to the scholarship:11/10982-0 - Spatio-temporal patterns in electrocatalysis: experiments, modeling and numerical simulations, BP.PD

Abstract

Systems far from equilibrium state exhibit in certain conditions complex behavior in the form of spatio-temporal structures. Such systems, which present a rich dynamic behavior, are becoming a growing field of research in the last decades. In particular, models for reaction-migration systems in the electrified solid/liquid interface have been considered ideal for investigations in both, theoretically and experimentally point of views. In this project we propose a theoretical study of edge effects obtained when we take into considerations integral coupling under different geometries. The theoretical approach basically consists in the development of analytical solutions based on Kernel functions. (AU)

News published in Agência FAPESP Newsletter about the scholarship:
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Scientific publications (4)
(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)
NASCIMENTO, MELKE A.; VARELA, HAMILTON; GALLAS, JASON A. C.. Periodicity hubs and spirals in an electrochemical oscillator. Journal of Solid State Electrochemistry, v. 19, n. 11, p. 3287-3296, . (13/16930-7, 12/24152-1, 11/10982-0, 12/24368-4)
RAPHAEL NAGAO; MELKE A. NASCIMENTO; HAMILTON VARELA. APARATO ELETROQUÍMICO PARA SISTEMA DE AQUISIÇÃO DE DADOS MULTICANAL COM RESOLUÇÃO ESPAÇO-TEMPORAL. Química Nova, v. 38, n. 1, p. 136-143, . (11/10982-0, 12/24368-4, 09/00153-6, 09/07629-6, 12/24152-1)
NASCIMENTO, MELKE A.; NAGAO, RAPHAEL; EISWIRTH, MARKUS; VARELA, HAMILTON. Coupled slow and fast surface dynamics in an electrocatalytic oscillator: Model and simulations. Journal of Chemical Physics, v. 141, n. 23, . (13/16930-7, 09/07629-6, 12/24152-1, 12/24368-4, 11/10982-0, 09/00153-6)
DELMONDE, M. V. F.; NASCIMENTO, M. A.; NAGAO, R.; CANTANE, D. A.; LIMA, F. H. B.; VARELA, H.. Production of Volatile Species during the Oscillatory Electro-oxidation of Small Organic Molecules. Journal of Physical Chemistry C, v. 118, n. 31, p. 17699-17709, . (09/07629-6, 12/24152-1, 09/11073-3, 12/24368-4, 11/10982-0, 09/00153-6)