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Development of nanostructured sensors for chemical analysis using spectroscopic techniques

Grant number: 06/06629-4
Support Opportunities:Scholarships in Brazil - Doctorate (Direct)
Effective date (Start): March 01, 2007
Effective date (End): February 29, 2012
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Physical-Chemistry
Principal Investigator:Paola Corio
Grantee:Jean Claudio Santos Costa
Host Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil


This project focuses on the development of methodologies for the use of surface-enhanced Raman scattering (SERS) in the spectroscopic study of different categories of chemical species. Emphasis will be given in the development of nanostructured sensors for the analysis of species in solution by means of molecular spectroscopy. SERS active substrates will be prepared specifically directed toward the study of determined types of chemical substances. We propose the preparation of optimized nanostructured materials to be used in chemical sensing in the study of environmentally relevant compounds such as polycyclic aromatic hydrocarbons, organophosphorous compounds, thiocarbamates, organochlorides and triazine derivatives. Systematic spectroscopic studies of these species will also be developed. The preparation of the metallic nanostructures as substrates for enhanced spectroscopy will involve several methodologies, ranging from (I) silver and gold colloidal particles (nanorods, nanoshells, bimetallic particles); (II) gold and silver nanoparticles immobilized in films; and (III) nanostructured metallic films. (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)
COSTA, JEAN C. S.; CORIO, PAOLA; CAMARGO, PEDRO H. C.. Silver-gold nanotubes containing hot spots on their surface: facile synthesis and surface-enhanced Raman scattering investigations. RSC ADVANCES, v. 2, n. 26, p. 9801-9804, . (11/06847-0, 06/58748-7, 06/06629-4)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
COSTA, Jean Claudio Santos. Development of nanostructured sensors for chemical analysis by means of spectroscopic techniques. 2012. Doctoral Thesis - Universidade de São Paulo (USP). Conjunto das Químicas (IQ e FCF) (CQ/DBDCQ) São Paulo.

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