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A facile and rapid microwave-assisted combustion method was used to synthesis nanocrystalline SnO2 powders, through dissolution of tin nitrate (as oxidant) and glycine (as fuel) as starting materials and water as solvent and then heating the resulting solution in a microwave oven. The study suggested that application of microwave heating to produce the nanosize SnO2 was achieved in a few minutes. The structure and morphology of the as-prepared combustion products were investigated by means of powder X-ray diffraction (PXRD) and scanning electron microscopy (SEM). Fourier transform infrared spectroscopy (FTIR) and Raman spectra confirmed the formation of tetragonal rutile structure SnO2, and the SEM results indicated the surface characteristic of the products. The as-prepared powders have larger band gap energy as 3.67 eV.


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Rapid synthesis of nanocrystalline SnO2 by a microwave-assisted combustion method

Show Author's information Lajapathi Chellappan NEHRUaChinnappanadar SANJEEVIRAJAb( )
Department of Medical Physics, Bharathidasan University, Tiruchirappalli-620 024, India
Department of Physics, Alagappa Chettiar College of Engineering & Technology, Karaikudi-630 004, India

Abstract

A facile and rapid microwave-assisted combustion method was used to synthesis nanocrystalline SnO2 powders, through dissolution of tin nitrate (as oxidant) and glycine (as fuel) as starting materials and water as solvent and then heating the resulting solution in a microwave oven. The study suggested that application of microwave heating to produce the nanosize SnO2 was achieved in a few minutes. The structure and morphology of the as-prepared combustion products were investigated by means of powder X-ray diffraction (PXRD) and scanning electron microscopy (SEM). Fourier transform infrared spectroscopy (FTIR) and Raman spectra confirmed the formation of tetragonal rutile structure SnO2, and the SEM results indicated the surface characteristic of the products. The as-prepared powders have larger band gap energy as 3.67 eV.

Keywords:

nanoparticles, tin oxide, glycine, stoichiometric, combustion, optical
Received: 12 December 2013 Revised: 05 March 2014 Accepted: 13 March 2014 Published: 02 September 2014 Issue date: September 2014
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Publication history

Received: 12 December 2013
Revised: 05 March 2014
Accepted: 13 March 2014
Published: 02 September 2014
Issue date: September 2014

Copyright

© The author(s) 2014

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Open Access: This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.

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