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Synthesis of ZnO Nanowires by Pulsed Laser Deposition in Furnace

Published online by Cambridge University Press:  01 February 2011

Kyung Ah Jeon ,
Hyo Jeong Son ,
Jong Hoon Kim ,
K. H. Yoo  and
Sang Yeol Lee
Kyung Ah Jeon
Affiliation:
[email protected], yonsei university, 134 Shinchondong, Seodaemunku, seoul, N/A, 120-749, Korea, Republic of
Hyo Jeong Son
Affiliation:
[email protected]
Jong Hoon Kim
Affiliation:
[email protected]
K. H. Yoo
Affiliation:
[email protected]
Sang Yeol Lee
Affiliation:
[email protected]
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Abstract

ZnO nanowires (NWs) were fabricated on Au coated sapphire (0001) substrates by using a pulsed laser deposition (PLD) system in vacuum furnace with a Q-switched Nd:YAG laser. ZnO NWs have various size and shape with a substrate position inside a furnace, and their morphologic construction is reproducible. Scanning electron microscopy (SEM) images indicate that the diameters of ZnO NWs ranged from 100 to 150 nm and the average length was greater than 3 μm. Room-temperature photoluminescence spectra of the NWs show the near band-edge emissions and the deep-level green light emissions. The formation mechanism of the NWs is discussed.

Keywords

nanostructurelaser ablationluminescence
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 900: Symposium O – Nanoparticles and Nanostructures in Sensors and Catalysis , 2005 , 0900-O06-40
Copyright
Copyright © Materials Research Society 2006

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References

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