ZnO symmetric nanosheets integrated with nanowalls

Ruey Chi Wang, Chuan Pu Liu, Jow Lay Huang, Shu Jen Chen

Research output: Contribution to journalArticle

77 Citations (Scopus)

Abstract

Diverse ZnO integrated nanostructures, constructed by epitaxial nanowalls and symmetric single-crystalline nanosheets, were successfully synthesized via a strain-assisted self-catalyzed process at a low temperature of 500 °C. The nanostructures started with the growth of ZnO nanowires, nucleated on a rugged ZnO single-crystalline film via a strain-assisted self-catalyzed growth mechanism. The nanowalls were then formed by the interconnection of the nanowires. Finally, the nanosheets were grown from the edges of the nanowalls. The growth mechanisms were supported by direct experimental evidence. Room-temperature cathodoluminance spectra show a relatively strong and sharp ultraviolet emission as well as a weak and broad green emission. The integrated nanostructure may be applied to develop self-inclusive nanoelectronics.

Original languageEnglish
Article number053103
JournalApplied Physics Letters
Volume87
Issue number5
DOIs
Publication statusPublished - 2005 Jan 1

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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