ZnO 3D flower-like nanostructure synthesized on GaN epitaxial layer by simple route hydrothermal process

Jae Min Jang, Cho Rong Kim, Hyukhyun Ryu, Manijeh Razeghi, Woo Gwang Jung*

*Corresponding author for this work

Research output: Contribution to journalArticle

51 Scopus citations

Abstract

The 3D type, flower-like ZnO nanostructures from particle to flower-like or chestnut bur are fabricated on the GaN epitaxial layer substrate through the simple-route hydrothermal process. Structural characterization was made for the ZnO 3D nanostructures synthesized in different pH ranging from 9.5 to 11.0. The growth model was proposed and discussed regarding the fabrication mechanism and morphology of ZnO 3D flower-like nanostructure. The flower-like ZnO is composed of many thin single crystals ZnO nanorods. Bigger and thicker ZnO structure is fabricated with the increase of pH in solution. The enhanced UV emission in the PL measurement and the spectra in the Raman spectroscopy for ZnO-GaN heterojunction material were discussed.

Original languageEnglish (US)
Pages (from-to)503-510
Number of pages8
JournalJournal of Alloys and Compounds
Volume463
Issue number1-2
DOIs
StatePublished - Sep 8 2008

Keywords

  • Flower-like nanostructure
  • Gallium nitride
  • Hydrothermal process
  • Single crystal
  • Zinc oxide

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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