Carbon-TiO2 Nanostructures: Flame Synthesis and Characterization. Issue 1747 (27th February 2015)

• Record Type: Journal Article
• Authors: De Falco, Gianluigi; Commodo, Mario; Pedata, Paola; Minutolo, Patrizia; D'Anna, Andrea
• Editors: Kruis, E.; Maric, R.; Tse, S.; Wegner, K.; Zheng, X.
• Is Part Of: MRS proceedings. Issue 1747:(2015)
• Publication Date: 2015-02-27
• Subjects: flame synthesis, -- nanostructure, -- Ti; Electrical engineering -- Congresses; Physics -- Congresses; Materials -- Research -- Congresses; Materials science -- Congresses; 620.11
• DOI: 10.1557/opl.2015.195
• Languages: English
• ISSNs: 0272-9172

Abstract

ABSTRACT: The synthesis of pure titania and carbon-titania nano-powders in a premixed atmospheric fuel-rich flame was studied. The variation of the flame C/O ratio allows to produce both pure titania and carbon-TiO2 nanoparticles. Raman Spectroscopy, X-ray Diffraction, Atomic Force Microscopy, Electrical Low Pressure Impactor and Scanning Electron Microscopy were used to characterize the synthesized nano-powders, in terms of crystallinity, phase content, size and morphology. Produced nano-powders with a dimension of 25-40 nm are composed by both rutile and anatase phases, with rutile being the predominant one. Reactive Oxygen Species analysis performed on the synthesized nano-powders showed that the inclusion of carbon in the nano-powders results in a reduced adverse health effect, in terms of ROS production.