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Proceedings Paper

Simple technique for bulk quantity synthesis of ZnO tetrapod nanorods
Author(s): V. Arul Lenus Roy; Aleksandra B. Djurisic; Qing Li; Shi Jie Xu; H. F. Lui; Charles C. Surya; Ju Gao
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Paper Abstract

In this work, we report a simple method for mass production of ZnO tetrapod nanorods. A mixture of Zn and graphite powders (ratio 2:1) was placed in a quartz tube. The quartz tube was placed in a horizontal tube furnace and heated up to 950°C. The tube was then removed from the furnance and quenched to room temperature. Fluffy products white in color were formed on the walls of the tube. Obtained products were characterized by X-ray diffraction, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and photoluminescence. SEM images showed tetrapod-like ZnO nanorods. The four tetrapod legs were approximately equal in length, and the length of tetrapod legs was in the range ~1-3 μm. We investigated influence of the growth temperature (in the range from 700°C to 1100°C) and Zn to catalyst ratio to the properties of obtained products. Fabrication is different atmospheres (air, argon, nitrogen, humid argon, and humid nitrogen) was also performed. The influence of growth conditions (temperature, atmosphere, and catalyst concentration) to the formation and properties of ZnO nanorods is discussed.

Paper Details

Date Published: 27 October 2003
PDF: 8 pages
Proc. SPIE 5219, Nanotubes and Nanowires, (27 October 2003); doi: 10.1117/12.504700
Show Author Affiliations
V. Arul Lenus Roy, Univ. of Hong Kong (China)
Aleksandra B. Djurisic, Univ. of Hong Kong (China)
Qing Li, Univ. of Hong Kong (China)
Shi Jie Xu, Univ. of Hong Kong (China)
H. F. Lui, Hong Kong Polytechnic Univ. (China)
Charles C. Surya, Hong Kong Polytechnic Univ. (China)
Ju Gao, Univ. of Hong Kong (China)

Published in SPIE Proceedings Vol. 5219:
Nanotubes and Nanowires
Akhlesh Lakhtakia; Sergey Maksimenko, Editor(s)

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