Paper Title:
Preparation and Stabilization of High Conductivity Zn-Coated Tetra-Needle-Like ZnO Whiskers
  Abstract

Tetra-needle-like zinc oxide whiskers (T-ZnOW) were coated with Zn and stabilized with Al2O3 consequently. Coating conditions for preparation of low resistivity T-ZnOW were investigated. The Zn-coated T-ZnOW was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and electrical resistance measurement. The SEM and XRD results indicated that the tetra-needle-like structure of ZnO whiskers could be well maintained after coating with Zn and stabilizing with Al2O3. Experiment results showed that the resistivity of T-ZnOW was affected significantly by the annealing temperature, annealing time, coating amount of Zn and original content of Al3+. Al3+ ions played an important role in stabilizing the resistivity of Zn-coated T-ZnOW. The resistivity of T-ZnOW decreased considerably from 108 to 101 Ω•cm when the Zn-coated amount and Al3+ original content were 10.0 wt.% and 2.0 at.%, respectively.Introduction.

  Info
Periodical
Advanced Materials Research (Volumes 197-198)
Edited by
Huaiying Zhou, Tianlong Gu, Daoguo Yang, Zhengyi Jiang, Jianmin Zeng
Pages
362-366
DOI
10.4028/www.scientific.net/AMR.197-198.362
Citation
Z. M. Xia, C. F. Wan, S. M. Jin, M. T. Tang, "Preparation and Stabilization of High Conductivity Zn-Coated Tetra-Needle-Like ZnO Whiskers", Advanced Materials Research, Vols. 197-198, pp. 362-366, 2011
Online since
February 2011
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$32.00
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