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Micro and nanostructured surfaces via electrochemistry: from morphology to properties

Grant number: 15/12786-4
Support Opportunities:Scholarships in Brazil - Doctorate (Direct)
Effective date (Start): September 01, 2015
Effective date (End): February 28, 2021
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Physical-Chemistry
Principal Investigator:Susana Inés Córdoba de Torresi
Grantee:Rafael Neri Prystaj Colombo
Host Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated scholarship(s):18/10930-9 - Design of multi-metal nanoarrays for optical sensors, BE.EP.DD


Technology development with respect to micro/nanometrical structurally ordered synthesis and characterization granted the branching of surface modification processes and provided a new set of interesting properties to an old set of materials, as in the case of conventional planar electrodes and silicon wafers. Several papers emerged enumerating the benefits of the association of defined-geometry structures, some of which deserve to be mentioned as the case of rods, spheres, cubes, prisms, rings and dendrites for the utmost diverse thermo, optical and electronic dependant fields of materials technology, as is the noble case of Surface Enhanced Raman Scattering (SERS), (bio) sensor arrays and platform production aiming for catalytic performance. In this very context, an opportunity crops out in order to promote a study on the electrochemistry application into controlled synthetic processes of morphologically well-defined structures, willing to add up all the characteristics of versatility, low cost, production speed and easiness, reproducibility and practical performance towards the intended substrate design with the usage of carbon nanostructures (specially reduced graphene oxide), noble metals as silver, gold and platinum and secondary agents as conductive polymers. Platform employment in spectroscopy and (bio)sensing ought to father new insights on the structure-property relationship and enable similar natured procedures to be created clearly. (AU)

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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)
GAUTAM, SHREEDHAR; GONCALES, VINICIUS R.; COLOMBO, RAFAEL N. P.; TANG, WENXIAN; CORDOBA DE TORRESI, I, SUSANA; REECE, PETER J.; TILLEY, RICHARD D.; JUSTIN GOODING, J.. High-resolution light-activated electrochemistry on amorphous silicon-based photoelectrodes. CHEMICAL COMMUNICATIONS, v. 56, n. 54, p. 7435-7438, . (17/50264-5, 15/12786-4, 15/26308-7)
CHENG, RUMEI; COLOMBO, RAFAEL N. P.; ZHANG, LONG; NGUYEN, DUYEN H. T.; TILLEY, RICHARD; CORDOBA DE TORRESI, I, SUSANA; DAI, LIMING; GOODING, J. JUSTIN; GONCALES, VINICIUS R.. Porous Graphene Oxide Films Prepared via the Breath-Figure Method: A Simple Strategy for Switching Access of Redox Species to an Electrode Surface. ACS APPLIED MATERIALS & INTERFACES, v. 12, n. 49, p. 55181-55188, . (18/10930-9, 15/26308-7, 17/50264-5, 15/12786-4)
COLOMBO, RAFAEL N. P.; GONCALES, VINICIUS R.; GAUTAM, SHREEDHAR; TILLEY, RICHARD; JUSTIN GOODING, J.; CORDOBA DE TORRESI, I, SUSANA. Spatially localized electrodeposition of multiple metals via light-activated electrochemistry for surface enhanced Raman spectroscopy applications. CHEMICAL COMMUNICATIONS, v. 56, n. 43, p. 5831-5834, . (17/50264-5, 15/12786-4, 15/26308-7)
PRYSTAJ COLOMBO, RAFAEL NERI; MOREIRA, RODRIGO VALIM; ARAUJO DE FARIA, DALVA LUCIA; CORDOBA DE TORRESI, SUSANA INES. Controlling Gold Electrodeposition on Porous Polymeric Templates Produced by the Breath-Figure Method: Fabrication of SERS-Active Surfaces. CHEMPLUSCHEM, v. 84, n. 8, p. 1052-1059, . (15/26308-7, 15/12786-4, 12/13119-3)

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