Preparation and characterizations of ZnO nanotubes by acidic etching nanowires

C. Y. Yao, G. J. Chen, Tseung-Yuen Tseng

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Single crystalline ZnO nanowires were synthesized by hydrothermal process and then formed nanotubes by acidic etching these nanowires in acetic solution at 85 °C. The nanotube diameter can be easily controlled by dividing the nanowires growth and etching process. The ZnO nanotubes remain single crystalline hexagonal structure after the etching process. The defects existed in the nanowires and the dangling bonds of the nanowires' surface play the important roles for the etching process. An etching model for forming ZnO nanotubes is proposed, which can be proved by our experimental results.

Original languageEnglish
Pages (from-to)4432-4435
Number of pages4
JournalJournal of Nanoscience and Nanotechnology
Volume8
Issue number9
DOIs
StatePublished - 1 Sep 2008

Keywords

  • Etching
  • ZnO nanotubes
  • ZnO nanowires

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