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, M. H. Lee, J. L. Shen

研究成果: 雜誌貢獻期刊論文同行評審

2 引文 斯高帕斯(Scopus)


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.

頁(從 - 到)630-632
期刊Micro and Nano Letters
出版狀態已發佈 - 2015 十一月 1

ASJC Scopus subject areas

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

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