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Electrochemistry at the nanoscale: biomimetic electrocatalysis and molecular electronics using bimetallic complexes of expanded porphyrins

Grant number: 16/05363-2
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): July 01, 2016
Effective date (End): March 31, 2020
Field of knowledge:Physical Sciences and Mathematics - Chemistry
Principal Investigator:Ernesto Chaves Pereira de Souza
Grantee:Ciro Scheremeta Quintans
Home Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil
Associated research grant:13/07296-2 - CDMF - Center for the Development of Functional Materials, AP.CEPID
Associated scholarship(s):17/14425-4 - Molecular electronics of metallic complexes of porphyrinoids, BE.EP.DR


We propose to study electron transfer through extended porphyrins trapped in the tunnelling gap between a metal substrate and a metal tip with in situ Scanning Tunnelling Spectroscopy (STS). The porphyrins will be synthesized with increasing complexity as the project advances.In parallel, the electrocatalytic activity of the prophyrins towards the oxygen reduction reaction will be analysed, and correlated with their electronic properties as probed with in-situ STS.

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 TRINDADE, L. G.; CHRISTINELLI, W. A.; ZANCHET, L.; COELHO, D.; TRENCH, A. B.; MARTINI, EMILSE M. A.; CORREA, DANIEL S.; MATTOSO, LUIZ H. C.; PEREIRA, E. C. The effect of alkyl chain of the imidazolium ring on the poly(o-methoxyaniline)/ionic liquid supercapacitor performance. Journal of Solid State Electrochemistry, v. 23, n. 4, p. 1109-1119, APR 2019. Web of Science Citations: 0.
CHRISTINELLI, W. A.; DA TRINDADE, L. G.; TRENCH, A. B.; QUINTANS, C. S.; PARANHOS, C. M.; PEREIRA, E. C. High-performance energy storage of poly (o-methoxyaniline) film using an ionic liquid as electrolyte. ENERGY, v. 141, p. 1829-1835, DEC 15 2017. Web of Science Citations: 3.

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