Growth and characterization of vertically aligned ZnO microtubes on silicon substrate

J. P. Kar, S. N. Das, J. H. Choi, J. M. Myoung

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Vertically aligned Zinc oxide (ZnO) microtubes with a hexagonal hollow texture were synthesized by metal organic chemical vapor deposition technique on silicon substrates without any catalyst. Structural and optical characterizations of the as-grown microstructures have been carried out at room temperature. It has been observed that these single crystalline microtubes are grown along c-axis. The prominent UV emission and the absence of other visible band in photoluminescence spectrum indicated a good crystallinity and defect-free microstructures. The wettability transition from hydrophobic to hydrophilic was observed after ultraviolet exposure.

Original languageEnglish
Pages (from-to)2327-2330
Number of pages4
JournalMaterials Letters
Volume63
Issue number27
DOIs
Publication statusPublished - 2009 Nov 15

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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