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Thin films of metal complexes: the effect of the supramolecular architecture on the application of modified electrodes as catecholamine sensors.

Grant number: 12/25140-7
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): May 01, 2013
Effective date (End): August 31, 2017
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal researcher:Carlos José Leopoldo Constantino
Grantee:Cibely da Silva Martin Sonvesso
Home Institution: Faculdade de Ciências e Tecnologia (FCT). Universidade Estadual Paulista (UNESP). Campus de Presidente Prudente. Presidente Prudente , SP, Brazil
Associated scholarship(s):13/22087-0 - Electrodes chemically modified by thin films of metallic complexes: electrochemical study and sensor evaluation, BE.EP.DR


Different techniques of thin film preparation can be applied for substrate modification. This project will explore substrate modification with N,N'-bis(salicylidene)-1,3-propanediamine of nickel(II) (Ni-Salpn) and iro phthalocyanine using the electropolymerization and Langmuir-Schaefer (LS) techniques. The different supramolecular architectures of the thin films may lead to different electrochemical responses. The optical microscopy, scanning electron microscopy, atomic force microscopy, UV-Vis absorption spectroscopy, FTIR, Raman scattering and X-ray diffraction techniques, will be applied for the supramolecular architecture determination of the thin films. Different voltammetric techniques will be used for the electrochemical characterization and catecholamine determination, as L-Dopa and dopamine. The main goal of this project is to contribute to the field related to electrochemical sensors from electrodes modified with thin films that present different supramolecular architectures.

News published in Agência FAPESP Newsletter about the scholarship:

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)
MARTIN, CIBELY S.; ALESSIO, PRISCILA; CRESPILHO, FRANK N.; BRETT, CHRISTOPHER M. A.; CONSTANTINO, CARLOS J. L. Influence of the supramolecular arrangement of iron phthalocyanine thin films on catecholamine oxidation. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, v. 836, p. 7-15, MAR 1 2019. Web of Science Citations: 1.
MARTIN, CIBELY S.; ALESSIO, PRISCILA; CRESPILHO, FRANK N.; CONSTANTINO, CARLOS J. L. Supramolecular Arrangement of Iron Phthalocyanine in Langmuir-Schaefer and Electrodeposited Thin Films. Journal of Nanoscience and Nanotechnology, v. 18, n. 5, p. 3206-3217, MAY 2018. Web of Science Citations: 4.
MARTIN, CIBELY S.; GOUVEIA-CARIDADE, CARLA; CRESPILHO, FRANK N.; CONSTANTINO, CARLOS J. L.; BRETT, CHRISTOPHER M. A. Iron Phthalocyanine Electrodeposited Films: Characterization and Influence on Dopamine Oxidation. Journal of Physical Chemistry C, v. 120, n. 29, p. 15698-15706, JUL 28 2016. Web of Science Citations: 6.
MARTIN, CIBELY S.; GOUVEIA-CARIDADE, CARLA; CRESPILHO, FRANK N.; CONSTANTINO, CARLOS J. L.; BRETT, CHRISTOPHER M. A. Nickel-N,N'-bis(salicylidene)-1,3-propanediamine (Ni-Salpn) film-modified electrodes. Influence of electrodeposition conditions and of electrode material on electrochemical behaviour in aqueous solution. Electrochimica Acta, v. 178, p. 80-91, OCT 1 2015. Web of Science Citations: 9.

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