Preparation and Properties of Y and Sb Doped SnO₂ Conductive Powders

Abstract:

Y is used as a dopant for the first time in preparing conductive powders to improve its performance. Y and Sb doped SnO₂ conductive particles are prepared by the complexation-coprecipi-tation method with Sn, Sb₂O₃ and Y₂O₃ as the raw materials. The crystal phase and structure of the prepared conductive particles are characterized by FTIR and XRD techniques respectively. The resistivity of the prepared conductive powders are measured with four-point measurement method. The resistivity of Y and Sb doped SnO₂ conductive particles is 0.22 Ωcm. FTIR spectrum of Y and Sb doped SnO₂ conductive particles shows that the vibration peak are wide peak in 570 cm^-1 ~ 400 cm^-1, and have intense absorption in 4000 cm^-1 ~ 2500 cm^-1, respectively.Y and Sb doped SnO₂ conductive powders have a structure of tetragonal rutile. The complex doping is achieved well by complexation-coprecipitation method and is recognized as replacement doping or caulking doping.

• Periodical: Applied Mechanics and Materials (Volume 590)
• Pages: 216-219
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.590.216
• Online since: June 2014
• Authors: Xiao Zhen Liu*, Guang Jie Song, Xiao Zhou Liu, Jie Chen, Yan Wu
• Keywords: Chemical Synthesis, Conductive Powder, Doping, TiN Dioxide

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