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Preparation and investigation of the conductivity of Er2O3-stablilizedBi2O3 nanofiber
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State Key Laboratory of New Ceramics and Fine Processing,Tsinghua University,State Key Laboratory of New Ceramics and Fine Processing,Tsinghua University,State Key Laboratory of New Ceramics and Fine Processing,Tsinghua University,State Key Laboratory of New Ceramics and Fine Processing,Tsinghua University,State Key Laboratory of New Ceramics and Fine Processing,Tsinghua University,State Key Laboratory of New Ceramics and Fine Processing,Tsinghua University

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TQ342.8

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    Abstract:

    20% Er2O3-stabilized Bi2O3 (ESB) nano?bers were prepared through electrospinning followed by calcination. The phase structures, morphology and electrical conductivities of the nano?bers have been investigated. The results show that the monoclinic phase (α) and tetragonal phase (β) coexisted in the un-doped Bi2O3 nanofibers, however, the cubic (c) phase could be stabilized in Bi2O3 nano?bers when Er2O3 doped in the sample. What’s more, the 500℃ and 600℃ calcined ESB nanofibers possessed high length–diameter ratio, uniform morphology and relatively smooth surfaces. An high oxide ion conductivity of the nano?bers was observed at 500℃, which is about 0.03 S?cm-1.

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[Zhang Mengfei, Li Tianjun, Yao Lei, Yuan Yajie, Zhao Xiaohui, Pan Wei. Preparation and investigation of the conductivity of Er2O3-stablilizedBi2O3 nanofiber[J]. Rare Metal Materials and Engineering,2018,47(S1):348~351.]
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History
  • Received:July 05,2017
  • Revised:January 31,2018
  • Adopted:February 01,2018
  • Online: October 22,2018

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