Synthesis, morphology and random laser action of ZnO nanostructures

L. Miao, S. Tanemura, Y. Ieda, M. Tanemura, Yasuhiko Hayashi, H. Y. Yang, S. P. Lau, B. K. Tay, Y. G. Cao

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Three-dimensional (3-D) ZnO random-wall nanostructures and one-dimensional (1-D) ZnO nanorods were prepared on silicon substrates by a simple solid-vapour phase thermal sublimation technique. Optical pumped random lasing has been observed in the ZnO random-wall arrays with a threshold intensity of 0.38 MW/cm2 in the emission wavelength from 380 to 395 nm. The optical gain was attributed to the closed-loop scattering and light amplification of the ZnO random-wall. The experimental result suggests that the morphology of nanostructure is the key factor to effect random lasing.

Original languageEnglish
Pages (from-to)2660-2663
Number of pages4
JournalSurface Science
Volume601
Issue number13
DOIs
Publication statusPublished - Jul 1 2007
Externally publishedYes

Fingerprint

Nanostructures
Optical gain
lasing
Lasers
Sublimation
Silicon
synthesis
Nanorods
lasers
Amplification
Vapors
Scattering
sublimation
Wavelength
nanorods
Substrates
vapor phases
thresholds
silicon
scattering

Keywords

  • M.1. Zinc oxide
  • M.2. Nanostructure
  • M.3. Semiconducting surfaces
  • Random lasing
  • S.3. Evaporation and sublimation

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

Miao, L., Tanemura, S., Ieda, Y., Tanemura, M., Hayashi, Y., Yang, H. Y., ... Cao, Y. G. (2007). Synthesis, morphology and random laser action of ZnO nanostructures. Surface Science, 601(13), 2660-2663. https://doi.org/10.1016/j.susc.2006.12.011

Synthesis, morphology and random laser action of ZnO nanostructures. / Miao, L.; Tanemura, S.; Ieda, Y.; Tanemura, M.; Hayashi, Yasuhiko; Yang, H. Y.; Lau, S. P.; Tay, B. K.; Cao, Y. G.

In: Surface Science, Vol. 601, No. 13, 01.07.2007, p. 2660-2663.

Research output: Contribution to journalArticle

Miao, L, Tanemura, S, Ieda, Y, Tanemura, M, Hayashi, Y, Yang, HY, Lau, SP, Tay, BK & Cao, YG 2007, 'Synthesis, morphology and random laser action of ZnO nanostructures', Surface Science, vol. 601, no. 13, pp. 2660-2663. https://doi.org/10.1016/j.susc.2006.12.011
Miao, L. ; Tanemura, S. ; Ieda, Y. ; Tanemura, M. ; Hayashi, Yasuhiko ; Yang, H. Y. ; Lau, S. P. ; Tay, B. K. ; Cao, Y. G. / Synthesis, morphology and random laser action of ZnO nanostructures. In: Surface Science. 2007 ; Vol. 601, No. 13. pp. 2660-2663.
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