Conductivity and Gas Sensitivity of ZnO-Sb2O3 Sintered System

Abstract

Abstract: ZnO tetrapod nanowhiskers and Sb₂O₃ quasi-spherical nanoparticles were prepared by metallic vapour-phase oxidation, and the conductivity and gas sensitivity of thick films based on
ZnO-Sb₂O₃ sintered system were investigated. The changes in conductivity and gas sensitivity of the thick film were discussed in according to the phase change of the mixed-powder sintered at
650℃ for 2h examined by XRD. The result showed that the nanoparticles could take place solid-phase reaction at lower sintering temperature and the conductivity and gas sensitivity
of the thick film could be modified and controlled by newly formed complex oxide, i.e., ZnSb₂O₆ and Zn_2.33Sb_0.67O₄.

Key words: nanoparticles, conductivity, gas sensitivity, ZnO-Sb₂O₃

CLC Number:

TN303
TB383

ZHU Bai-Lin,XIE Chang-Sheng,ZENG Da-Wen,HU Mu-Lin,HU Jun-Hui. Conductivity and Gas Sensitivity of ZnO-Sb₂O₃ Sintered System[J]. Journal of Inorganic Materials.

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Conductivity and Gas Sensitivity of ZnO-Sb₂O₃ Sintered System

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