Synthesis and Cathodoluminescence Study of Well-Aligned Planar-Tip and Tapered-Tip ZnO Nanorods

J.H. He; C.W. Wang; K.F. Liao; Lih Juann Chen

doi:10.4028/www.scientific.net/AST.51.38

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HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 51Synthesis and Cathodoluminescence Study of...

Synthesis and Cathodoluminescence Study of Well-Aligned Planar-Tip and Tapered-Tip ZnO Nanorods

Abstract:

Vertically aligned ZnO nanorods have been synthesized on a-plane sapphire via a metal catalyzed vapor phase transport and condensation process in a two-zone vacuum furnace. Planar-tip ZnO nanorods were synthesized using commercial ZnO and graphite powder as the source of Zn vapor controlled by a simple vapor-liquid-solid (VLS) process. On the other hand, tapered-tip ZnO nanorods were synthesized from pure ZnO powder governed by both VLS and vapor-solid processes. From room temperature cathodoluminescence measurements, planar-tip ZnO nanorods are applicable for room temperature UV nanolasers.

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Periodical:

Advances in Science and Technology (Volume 51)

Pages:

38-41

DOI:

https://doi.org/10.4028/www.scientific.net/AST.51.38

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Online since:

October 2006

Authors:

J.H. He, C.W. Wang, K.F. Liao, Lih Juann Chen

Keywords:

Cathodoluminescence, Nanorod, Zinc Oxide (ZnO)

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