Suprabha, T. and Roy, Haizel G. and Thomas, Jesty and Praveen Kumar, K. and Mathew, Suresh (2009) Microwave-Assisted Synthesis of Titania Nanocubes, Nanospheres and Nanorods for Photocatalytic Dye Degradation. Nanoscale Research Letters, 4 (2). pp. 144-152. ISSN 1931-7573 (Print) 1556-276X (Online)
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TiO2 nanostructures with fascinating morphologies like cubes, spheres, and rods were synthesized by a simple microwave irradiation technique. Tuning of different morphologies was achieved by changing the pH and the nature of the medium or the precipitating agent. As-synthesized titania nanostructures were characterized by X-ray diffraction (XRD), UVâvisible spectroscopy, infrared spectroscopy (IR), BET surface area, photoluminescence (PL), scanning electron microscopy (SEM) and transmission electron microscopy (TEM), and atomic force microscopy (AFM) techniques. Photocatalytic dye degradation studies were conducted using methylene blue under ultraviolet light irradiation. Dye degradation ability for nanocubes was found to be superior to the spheres and the rods and can be attributed to the observed high surface area of nanocubes. As-synthesized titania nanostructures have shown higher photocatalytic activity than the commercial photocatalyst Degussa P25 TiO2.
|Uncontrolled Keywords:||Nanocubes - Nanorods - Nanospheres - Photocatalytic activity - Microwave irradiation - Dye degradation|
|Subjects:||Technology > Manufacturing processes for nanotechnology|
|Deposited By:||Lesley Tobin|
|Deposited On:||15 Jan 2009 15:49|
|Last Modified:||15 Jan 2009 15:49|
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