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Ionothermal synthesis of TiO2 nanoparticles: Photocatalytic hydrogen generation

Nagaraju, G and Ravishankar, TN and Manjunatha, K and Sarkar, S and Nagabhushana, H and Goncalves, R and Dupont, J (2013) Ionothermal synthesis of TiO2 nanoparticles: Photocatalytic hydrogen generation. In: MATERIALS LETTERS, 109 . pp. 27-30.

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Official URL: http://dx.doi.org/10.1016/j.matlet.2013.07.031


Rutile phase TiO2 nanoparticles have been successfully prepared at 120 degrees C for one day via the ionothermal method using imidazolium based functionalized ionic liquid. The obtained products have been characterized by various techniques. XRD pattern shows rutile phase with crystallite size similar to 15 nm. FTIR shows a band at similar to 410 cm(-1) assigned to Ti-O-Ti stretching vibrations and few other bands due to the presence of ionic liquid. UV-vis studies show maximum absorbance at similar to 215 nm due to the imidazolium moiety and a band at 316 nm due to TiO2 nanoparticles. TEM images show that the size of particle is similar to 30 nm. TG-DTA shows weight loss corresponding to the formation of stable TiO2 nanoparticles. The rutile TiO2 nanoparticle is a promising material for hydrogen generation through photocatalysis. (C) 2013 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Additional Information: copyright for this article belongs to Elesvier
Keywords: TiO2 nanoparticles; Rutile phase; lonothermal method; Hydrogen generation
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Depositing User: Id for Latest eprints
Date Deposited: 01 Nov 2013 09:47
Last Modified: 01 Nov 2013 09:47
URI: http://eprints.iisc.ac.in/id/eprint/47633

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