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Luminescent mesoporous silica obtained by polymer templete

Grant number: 12/09702-5
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): November 01, 2012
Effective date (End): October 31, 2013
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Inorganic Chemistry
Principal researcher:Eduardo José Nassar
Grantee:Júnia Natália Mendes Batista
Home Institution: Reitoria. Universidade de Franca (UNIFRAN). Franca , SP, Brazil

Abstract

The preparation of mesoporous materials is based on the presence of supramolecular arrangements of surfactants, which guide the formation of the inorganic mesostructure from inorganic precursors solubilized in the medium. The macroscopic structure and pore orientation can be controlled in most cases. Structured mesoporous materials are excellent matrices for the incorporation of metals, lanthanide ions, dyes and catalysts, because they display controlled structure and pore size, high surface area, resistance, and mechanical, thermal and chemical stability. The aims of this project include the preparation and characterization of luminescent hollow mesoporous silicas from polymeric coatings, which will be synthesized by the sol-gel methodology. Lanthanide ions and/or complexes will be incorporated into the hollow mesoporous matrices and the resulting materials will be characterized by X-ray diffraction, surface area, thermal analysis, infrared and Raman spectroscopies and, most importantly, lanthanide ions photoluminescence

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