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Sonodegradation reaction catalyzed by graphene/TiO2 nanocomposite


The goal of this project is to continue the project FAPESP 2011/20153-0 which will finish on Mars/2013. The current project showed that the sonocatalytic activity of titanium dioxide depends on carbon nanotube presence. Therefore, this continuity will be held by the study of the influence of graphene (G), of graphene oxide, functionalized or not, on the sonocatalytic activity of graphene/TiO2 nanocomposite. Moreover, this project will generate scientific knowledge to increase the competitive edge, technological base of ITA in the material area. This project intent to study the catalytic action of titanium dioxide, by new material development, constituted by graphene and titanium dioxide when they are excited by ultrasound of 20 KHz.The synthesis procedure is based on the hydrolysis and condensation of tetraethilortotitanate. The sonocatalysis action will be performed by methylene blue decomposition, which will be determined by Uv-Vis spectroscopy. The chemical bonding between G and GO and titanium dioxide will studied by FTIR. The homogeneity will be analyzed by electronic microscopy. The crystalline phases by X ray diffraction. This theme shows a correlation with other project (FINEP, CNPq and FAPESP) of this professor. The action of the researchers will be guided by a fundamental approach. However, this will promote the subjects related to technological issues associated to catalytic process, reaching the goals using constantly the scientific methodology. (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)
FRANCISCO, WESLEY; FERREIRA, FILIPE VARGAS; FERREIRA, EDUARDO VARGAS; CIVIDANES, LUCIANA DE SIMONE; COUTINHO, APARECIDO DOS REIS; THIM, GILMAR PATROCINIO. Functionalization of Multi-Walled Carbon Nanotube and Mechanical Property of Epoxy-Based Nanocomposite. JOURNAL OF AEROSPACE TECHNOLOGY AND MANAGEMENT, v. 7, n. 3, p. 289-293, . (13/20218-0, 13/23042-0)
FERREIRA, FILIPE V.; FRANCISCO, WESLEY; MENEZES, BEATRIZ R. C.; BRITO, FELIPE S.; COUTINHO, ANDRE S.; CIVIDANES, LUCIANA S.; COUTINHO, APARECIDO R.; THIM, GILMAR P.. Correlation of surface treatment, dispersion and mechanical properties of HDPE/CNT nanocomposites. Applied Surface Science, v. 389, p. 921-929, . (13/20218-0, 13/23042-0)

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