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Title: Simple technique for bulk quantity synthesis of ZnO tetrapod nanorods
Authors: Roy, VAL
Djurisic, AB
Li, Q
Xu, SJ
Lui, HF
Surya, C 
Gao, J
Keywords: Zinc oxide
Scanning electron microscopy
Transmission electron microscopy
X-ray diffraction
Earth's atmosphere
Issue Date: 2003
Publisher: SPIE-International Society for Optical Engineering
Source: Proceedings of SPIE : the International Society for Optical Engineering, 2003, v. 5219, 51 How to cite?
Journal: Proceedings of SPIE : the International Society for Optical Engineering 
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.
Description: Conference on Nanotubes and Nanowires, San Diego, California, U.S.A., October 2003
ISSN: 0277-786X
EISSN: 1996-756X
DOI: 10.1117/12.504700
Appears in Collections:Conference Paper

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