Synthesis and characterization of yttrium and antimony codoped SnO2 conductive nanoparticles
2010
Abstract Y was used as a dopant in preparing conductive powder to improve its performance. Y and Sb co-doped SnO 2 conductive nanoparticles were prepared by the complexation-coprecipitation method with Sn, Sb 2 O 3 and Y 2 O 3 as the raw materials. Crystal phase, thermal behavior and structure of the prepared conductive nanoparticles were characterized by X-ray diffraction (XRD), thermal analysis (TG-DSC), Fourier transform infrared (FTIR) and transmission electron microscopy (TEM) techniques, respectively. The Y and Sb co-doped SnO 2 conductive nanoparticles with a structure of tetragonal rutile had intense absorption in 4000-2500 cm −1 , and the diameter ranged from 10 to 30 nm. The resistivity of Y and Sb co-doped SnO 2 conductive nanoparticles was as low as 0.09 Ω·cm which was 4.6 times lower than that of Sb doped SnO 2 conductive nanoparticles.
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