Characteristics of controllable-shape well-aligned zinc oxide nanorods synthesized by microwave-assisted heating

M. K. Tsai, W. Huang, S. Y. Hu, Yueh Chien Lee, J. W. Lee, Min-Hung Lee, J. L. Shen

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A microwave-assisted heating method for growing well-aligned zinc oxide (ZnO) nanorods on the ZnO/silicon (Si) substrate is developed. For ZnO nanorods growth, a thin ZnO seed layer was deposited on an Si substrate by sputtering technique. The ZnO nanorods grown on the ZnO/Si substrate were synthesised in aqueous solution mixed with zinc nitrate hexahydrate and hexamethylenetetramine (HMTA) under microwave heating. The scanning electron microscopy (SEM) images and X-ray diffraction results exhibit that the ZnO nanorods with hexagonal phase, single crystalline, and highly oriented along (002) plane are obtained successfully. SEM images also show that the morphology and diameter of the synthesised ZnO nanorods can be controlled by adjusting the molar ratio of Zn(NO3)2·6H2O to HMTA. The Raman scattering results evidence the vertical well-aligned ZnO nanrods with larger diameter are strain-free. The investigations of the photoluminescence spectra suggest that the ultraviolet emission peak of the synthesised ZnO nanorods depending on its controllable diameter would be applicable for various nanodevice fabrications. & The Institution of Engineering and Technology 2015.

Original languageEnglish
Pages (from-to)630-632
Number of pages3
JournalMicro and Nano Letters
Volume10
Issue number11
DOIs
Publication statusPublished - 2015 Nov 1

Fingerprint

Zinc Oxide
Zinc oxide
Nanorods
zinc oxides
nanorods
Microwaves
Heating
microwaves
heating
Silicon
Methenamine
hexamethylenetetramine
silicon
Substrates
Scanning electron microscopy
scanning electron microscopy
Microwave heating
ultraviolet emission
Sputtering
Seed

ASJC Scopus subject areas

  • Bioengineering
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Characteristics of controllable-shape well-aligned zinc oxide nanorods synthesized by microwave-assisted heating. / Tsai, M. K.; Huang, W.; Hu, S. Y.; Lee, Yueh Chien; Lee, J. W.; Lee, Min-Hung; Shen, J. L.

In: Micro and Nano Letters, Vol. 10, No. 11, 01.11.2015, p. 630-632.

Research output: Contribution to journalArticle

Tsai, M. K. ; Huang, W. ; Hu, S. Y. ; Lee, Yueh Chien ; Lee, J. W. ; Lee, Min-Hung ; Shen, J. L. / Characteristics of controllable-shape well-aligned zinc oxide nanorods synthesized by microwave-assisted heating. In: Micro and Nano Letters. 2015 ; Vol. 10, No. 11. pp. 630-632.
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