The study of self-assembled ZnO nanorods grown on Si(111) by plasma-assisted molecular beam epitaxy

A. J. Tzou, K. F. Chien, H. Y. Lai, J. T. Ku, L. Lee, W. C. Fan, Wu-Ching Chou*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The growth and optical properties of self-assembled ZnO nanorods grown on Si(111) substrate by plasma-assisted molecular beam epitaxy (PA-MBE) were studied. By controlling the Zn/O flux ratio, the growth of ZnO nanorods on Si(111) substrate without catalyst has been achieved. Scanning electron microscopy (SEM) shows the ZnO nanorods with various density and diameter could be controlled. Photoluminescence (PL) measurements exhibit nice optical properties. The sharp near band edge PL emission with full width at half maximum (FWHM) of about 17 meV indicates that the ZnO nanorods could be used as the high efficient photonic devices. Crown

Original languageEnglish
Pages (from-to)466-469
Number of pages4
JournalJournal of Crystal Growth
Volume378
DOIs
StatePublished - 1 Jan 2013

Keywords

  • Molecular beam epitaxy
  • Nanostructures
  • Oxides
  • Semiconducting II-VI materials
  • Zinc compounds

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