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Optical and Quantum Electronics
Erschienen in: Optical and Quantum Electronics 7/2015

01.07.2015

Optical and structural properties of TiO\(_{\mathbf{2}}\) nanocomposite doped by Si and Cu at high temperature

verfasst von: Nasrollah Najibi Ilkhechi, Fallah Dousi, Behzad Koozegar Kaleji, Esmaiel Salahi

Erschienen in: Optical and Quantum Electronics | Ausgabe 7/2015

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Abstract

The TiO\(_{2}\) nanocomposite doped by Si and Cu were prepared via sol–gel method under process control. The effects of doping and calcination temperature on the structural and photo-catalytic properties of applied nanocomposite have been studied by X-ray diffraction (XRD), scanning electron microscope, transmission electron microscope, FTIR and UV–vis absorption spectroscope. XRD results suggest that adding dopants has a great effect on the crystallinity and particle size of TiO\(_{2}\). Titania rutile phase formation was inhibited by Si\(^{4+}\) and promoted by Cu\(^{2+}\) addition doping. The activity of the photocatalyst was evaluated by photocatalytic degradation kinetics of aqueous methyl orange under visible radiation. The results show that the photocatalytic activity of the 20 % Si doped TiO\(_{2}\) nanocomposite have a larger degradation efficiency than 5 % Cu doped TiO\(_{2}\) under visible light.
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Metadaten
Titel
Optical and structural properties of TiO nanocomposite doped by Si and Cu at high temperature
verfasst von
Nasrollah Najibi Ilkhechi
Fallah Dousi
Behzad Koozegar Kaleji
Esmaiel Salahi
Publikationsdatum
01.07.2015
Verlag
Springer US
Erschienen in
Optical and Quantum Electronics / Ausgabe 7/2015
Print ISSN: 0306-8919
Elektronische ISSN: 1572-817X
DOI
https://doi.org/10.1007/s11082-014-0033-x

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