Synthesis and characterisation of tin dioxide nanoparticles and effect of annealing temperature
by Sami S. Habib, Numan Salah, Zishan H. Khan, S. Al-Heniti, F.S. Al-Hazmi, Shamshad A. Khan, Adel S. Faidah, O. Abu Al-khair
International Journal of Nanoparticles (IJNP), Vol. 2, No. 1/2/3/4/5/6, 2009

Abstract: Nanopowder of SnO₂ was successfully synthesised by the chemical co-precipitation technique. The product sample was characterised by transmission electron microscope (TEM), X-ray diffraction (XRD) and UV-visible absorption spectrum. Analysis shows that the nanomaterial is found to be phase-pure and nanocrystalline, with a mean particle size around 50 nm. The maximum absorption is observed at around 320 nm. Effect of different annealing temperature on the particle size and shape are also studied. There is no change in the shape and size of these nanoparticles, while annealing them at temperatures ranging from 300°C-600°C. This suggests that the prepared nanoparticles might be useful as gas sensors at hot environments.

Online publication date: Wed, 30-Sep-2009

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