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Instabilities in electrocatalysis: complex kinetics catalyzed by model PT surfaces

Grant number: 16/14758-0
Support type:Scholarships in Brazil - Master
Effective date (Start): November 01, 2016
Effective date (End): February 28, 2018
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Physical-Chemistry
Principal researcher:Elton Fabiano Sitta
Grantee:Kaline Nascimento da Silva
Home Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil


The electro-oxidation of small organic molecules is an interesting research field due to their application in converting energy systems like fuel cells. The reactions involve several pathways strongly dependent on factors as applied potential and surface conditions, with the possibility of developing dynamic instabilities. More than an excellent example of self-organization dynamics, instabilities as potential and current oscillations, allow the estimation of kinetic parameter, as activations energy and poisoning surface constant. The present project deals with the comparative study of kinetic instabilities on the electro-oxidation of organic molecules containing one carbon on model surfaces of Pt(111) and Pt(110) as well polycrystalline Pt. (AU)

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Scientific publications
(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)
DA SILVA, KALINE N.; NAGAO, RAPHAEL; SITTA, ELTON. Alkali Cation Effect During the Oscillatory Electroreduction of H2O2 on Pt. CHEMISTRYSELECT, v. 2, n. 35, p. 11713-11716, . (17/00089-2, 16/01817-9, 13/07296-2, 16/14758-0, 16/22262-5, 14/23916-3)
DA SILVA, KALINE N.; SITTA, ELTON. Tuning oscillatory time-series evolution by Pt(111)-OHad stabilization. Journal of Solid State Electrochemistry, v. 24, n. 8, SI, . (16/14758-0, 13/07296-2)

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