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Applied and fundamental studies of the electrochemical conversion of alcohols and CO2


In this project, I propose to study fundamental aspects of mainly three reaction of interest for the world and our country: 1) Electrooxidation of ethanol and glycerol and 2) Electroreduction of CO2. We will use Pt-based surfaces: 1) Polycrystalline Pt, Pt single crystals and shape controlled Pt nanoparticles. All the surfaces will be modified by p-block adatoms of the periodic table which have been shown to be an excellent approach to tune the catalyst activity and reaction selectivity. Finally, some materials will be used for the production of electric energy and/or added value products in microfluidic Fuel Cells and Electrolisers. High quality research using these systems needs to monitor (if possible in operando conditions) the reactants and intermediates/products formed during the electrochemical reaction and the catalyst. Thus, in this project, FTIR in situ, RAMAN in situ e HPLC on line will provide information about the generation of products and intermediates in the reactions studied here. Both, absorption and diffraction of X rays in operando conditions and using synchrotron radiation techniques will render morphological and electronic information of the catalyst. Apart from these techniques, when necessary, we will use conventional ex situ characterization techniques as SEM, DRX, XPS, EDS and ICP. This project also included the beginning of a new research line in my group that consist on the use of chiral single crystal electrodes of Pt. This line of research is a recent collaboration between my group and the Electrochemistry Group of Alicante and could help to get further insights about the electrooxidation of alcohols on Pt surfaces. (AU)

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Scientific publications (6)
(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)
PERINI, NICKSON; HESSEL, CRISTIAN; BOTT-NETO, JOSE L.; PIRES, CLEO T. G. V. M. T.; FERNANDEZ, PABLO S.; SITTA, ELTON. Photoelectrochemical oxidation of glycerol on hematite: thermal effects, in situ FTIR and long-term HPLC product analysis. Journal of Solid State Electrochemistry, v. 25, n. 3 JAN 2021. Web of Science Citations: 0.
LIMA, CARLOS C.; RODRIGUES, MARTA V. F.; NETO, ANTONIO F. M.; ZANATA, CINTHIA R.; PIRES, CLEO T. G. V. M. T.; COSTA, LUELC S.; SOLLA-GULLON, JOSE; FERNANDEZ, PABLO S. Highly active Ag/C nanoparticles containing ultra-low quantities of sub-surface Pt for the electrooxidation of glycerol in alkaline media. APPLIED CATALYSIS B-ENVIRONMENTAL, v. 279, DEC 15 2020. Web of Science Citations: 0.
GALANTE, MIGUEL T.; SANTIAGO, PATRICIA V. B.; YUKUHIRO, VICTOR Y.; SILVA, LEONARDO A.; DOS REIS, NATALIA A.; PIRES, CLEO T. G. V. M. T.; MACEDO, NADIA G.; COSTA, LUELC S.; FERNANDEZ, PABLO S.; LONGO, CLAUDIA. Aminopolysiloxane as Cu2O Photocathode Overlayer: Photocorrosion Inhibitor and Low Overpotential CO2-to-formate Selectivity Promoter. CHEMCATCHEM, v. 13, n. 3 DEC 2020. Web of Science Citations: 0.
CARMINATI, SAULO AMARAL; DA SILVA, BRUNO LEUZINGER; BOTT-NETO, JOSE LUIZ; DE MELO JR, MAURICIO ALVES; GALANTE, MIGUEL TAYAR; FERNANDEZ, PABLO SEBASTIAN; LONGO, CLAUDIA; BONACIN, JULIANO ALVES; NOGUEIRA, ANA FLAVIA. Hematite Nanorods Photoanodes Decorated by Cobalt Hexacyanoferrate: The Role of Mixed Oxidized States on the Enhancement of Photoelectrochemical Performance. ACS APPLIED ENERGY MATERIALS, v. 3, n. 10, p. 10097-10107, OCT 26 2020. Web of Science Citations: 0.
BOTT-NETO, JOSE L.; RODRIGUES, MARTA V. F.; SILVA, MARIANA C.; CARNEIRO-NETO, EVALDO B.; WOSIAK, GABRIEL; MAURICIO, JUNIOR C.; PEREIRA, ERNESTO C.; FIGUEROA, SANTIAGO J. A.; FERNANDEZ, PABLO S. Versatile Spectroelectrochemical Cell for In Situ Experiments: Development, Applications, and Electrochemical Behavior. CHEMELECTROCHEM, v. 7, n. 21 AUG 2020. Web of Science Citations: 2.
SOFFIATI, GABRIELA; BOTT-NETO, JOSE L.; YUKUHIRO, VICTOR Y.; PIRES, CLEO T. G. V. M. T.; LIMA, CARLOS C.; ZANATA, CINTHIA R.; BIRDJA, YUVRAJ Y.; KOPER, MARC T. M.; SAN-MIGUEL, MIGUEL A.; FERNANDEZ, PABLO S. Electrooxidation of C-4 Polyols on Platinum Single-Crystals: A Computational and Electrochemical Study. Journal of Physical Chemistry C, v. 124, n. 27, p. 14745-14751, JUL 9 2020. Web of Science Citations: 0.

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