Research of obtaining TiO2 by sol-gel method using titanium isopropoxide TIP and tetra-n-butyl orthotitanate TNB

Titanium dioxide crystallises in three polymorphs: anatase, rutile and brookite. Rutile is most stable form of the TiO2 polymorphs. In this paper we concentrate on obtaining rutile and anatase, both used in various applications. The chosen method is sol-gel, which is a reliable method used for obtai...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2016-08, Vol.145 (7)
Main Authors: de Salazar, J M Gómez, Duduman, C Nutescu, Gonzalez, M Juárez, Palamarciuc, I, Pérez, M I Barrena, Carcea, I
Format: Article
Language:English
Subjects:
Anatase
Brookite
Electron microscopy
Fourier transforms
Infrared analysis
Microscopy
Precursors
Rutile
Sol-gel processes
Thermogravimetric analysis
Titanium
Titanium dioxide
Titanium oxides
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Summary:Titanium dioxide crystallises in three polymorphs: anatase, rutile and brookite. Rutile is most stable form of the TiO2 polymorphs. In this paper we concentrate on obtaining rutile and anatase, both used in various applications. The chosen method is sol-gel, which is a reliable method used for obtaining titanium oxides. We prepared titanium dioxide with using titanium isopropoxide (TIP) with chemical construction (C12H28O4Ti) and tetra-n-butyl orthotitanate (TNB) with chemical construction (C16H36O4Ti). The experiments were carried out in order to compare the results of the samples with similar reaction conditions, but with different precursors, thus concluding which precursor gives best results. Using different analysis techniques as X-ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM) and Thermogravimetric Analysis (TGA) we characterised the samples morphologically and structurally.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/145/7/072011