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Synthesis of Titanium Dioxide Nanomaterial by Pulsed Laser Ablation in Water

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Synthesis of colloidal solution of TiO2 Nanoparticles by pulsed laser ablation in water, without any surfactant is studied. Fundamental wavelength of Nd:YAG laser operating at 35 mJ/pulse energy, 10 ns pulse width and 10 Hz repetition rate is used for the ablation of titanium target placed in water. Laser ablation of Titanium target in the water produces violet colored, highly stable colloidal solution for months even in the absence of any capping agents. UV-Visible absorption, Photoluminescence, X-ray diffraction, SEM and FTIR spectroscopic technique are used for the characterization of produced Nanomaterials. Six emission bands are observed in the photoluminescence spectrum of the produced sample. Origin of all the lines in the PL spectrum has been discussed. Possible reaction mechanism for the laser matter interaction and synthesis of nanomaterial are discussed.
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Document Type: Research Article

Publication date: 2009-09-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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