Abstract
Tin oxide (SnO2) nanoparticles synthesized by hydrothermal method and kept at sintering temperatures (800-1200 ºC). The tin (II) chloride dehydrate (SnCl2.2H2O) used to prepared the SnO2 precursor solution. The Tin oxide nanoparticles have been characterized by X-ray diffraction (XRD), Field emission scanning electronic spectroscopy (FESEM), and UV-Visible spectroscopy. The nanoparticles size of SnO2 depends on the degree of sintering temperature, it found crystallite size (22.12,27.34 , 36.11 and 42.02) nm of the SnO2 at800, 900, 1000 and 1200°C, respectively. XRD shows a pure tetragonal rutile crystalline structure for SnO2 nanoparticles. FESEM images revealed the particles size increased with increasing sintering temperature. The transmittance and absorption are affected by an increased degree of sintering temperature. The band gap of SnO2 nanoparticles decreased with increasing sintering temperature (2.6 to 2.4) eV when temperature raised from 800 to 1200 ºC, which belongs to the effect of particle size
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