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나노 구조 물리 연구단
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Structural and Optical Properties of ZnO Nanostructures with Various Distance Condition by Vapor Phase Transport

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Title
Structural and Optical Properties of ZnO Nanostructures with Various Distance Condition by Vapor Phase Transport
Author(s)
Soaram Kim; Min Su Kim; Giwoong Nam; Hyunggil Park; Hyunsik Yoon; Jae-Young Leem
Publication Date
2014-04
Journal
JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS, v.9, no.2, pp.177 - 181
Publisher
AMER SCIENTIFIC PUBLISHERS
Abstract
ZnO structures were grown on Au-catalyzed Si substrate with various distances between the source and substrate ranging from 5 to 50 mm by the vapor phase transport at the growth temperature of 900 degrees celcius in argon/oxygen ambient. The structural and optical properties of the ZnO structures were investigated by field-emission scanning electron microscopy, X-ray diffraction and photoluminescence. The ZnO structures exhibited different morphologies, such as nanowires and submicron particles. Particularly, when the distance from the source was 5 mm, it was observed the ZnO nanowires with diameters in the range of 70 to 250 nm and the narrowest full width at half maximum of X-ray diffraction and photoluminescence spectra with 0.061 degrees and 96 meV, respectively. Therefore, the ZnO nanowires had a high crystallinity and optical properties compared to the ZnO submicron particles.
URI
https://pr.ibs.re.kr/handle/8788114/1072
ISSN
1555-130X
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
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