Nano Archive

Characterization and photocatalytic properties of TiO2-nanosols synthesized by hydrothermal process at low temperature

SayIlkan, Funda and Asiltürk, Meltem and Erdemoglu, Sema and Akarsu, Murat and SayIlkan, Hikmet and Erdemoglu, Murat and Arpaç, Ertugrul (2006) Characterization and photocatalytic properties of TiO2-nanosols synthesized by hydrothermal process at low temperature. Materials Letters, 60 (2). 230 - 235.

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Official URL: http://www.sciencedirect.com/science/article/B6TX9...

Abstract

Transparent nanocrystalline pure anatase titania (nano-TiO2) was synthesized by hydrothermal process at 200 °C. Photocatalytic activity of the nano-TiO2 as in the form of sol was tested for degradation of Methylene Blue (MB) and Reactive Red 120 (RR-120) in aqueous solutions. Structural and physico-chemical properties of the nano-TiO2 were characterized using powder XRD, SEM, BET, FT-IR and elemental analyses. Complete photodegradation of RR-120 was successfully achieved by aid of the nano-TiO2 whereas MB was not degraded, maybe because of reversible color change in nano-TiO2 sol/MB mixture after the UV irradiation was stopped. Potocatalytic activity of the synthesized the nano-TiO2 for degradation of RR-120 was compared with Degussa P-25 at optimum conditions determined for RR-120. It was found that the nano-TiO2 can be repeatedly used with higher photocatalytic activity than Degussa P-25.

Item Type:Article
Uncontrolled Keywords:Nano-titania; Hydrothermal process; Photodegradation; Dye; Transparent sol
Subjects:Material Science > Nanofabrication processes and tools
Material Science > Nanostructured materials
ID Code:6829
Deposited By:SPI
Deposited On:01 Oct 2009 17:50
Last Modified:01 Oct 2009 17:50

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