Structural Properties of Mn Doped Zinc Oxide Nanopowders by Chemical Co-Precipitation
Keywords:
Chemical co-precipitation, Tin oxide, XRD, crystallite size, FTIR, XPS.Abstract
Nanocrystalline tin oxide (SnO2) was synthesized using stannic chloride pentahydrate (SnCl4.5H2O) as a precursor in aqueous medium by chemical co-precipitation method. The influence of sintering temperature on the crystalline structure was studied. X-ray diffraction studies reveal that all powders exhibit tetragonal crystal structure. It is observed that crystallinity and crystallite size increases with sintering temperature. Various absorption bonds viz. Sn-O, O-Sn-O and O-H are observed from the FTIR study. The compositional analysis of SnO2 nanoparticles is studied using X-ray photoelectron spectroscopy (XPS). The symmetric spin orbit splitting of Sn 3d5/2 ground state and Sn 3d3/2 excited states is observed in XPS with sintering temperature while O 1s is recognized with O-2 state.
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