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Catalyst-Free Metalorganic Chemical-Vapor Deposition of Ultrafine ZnO Nanorods

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Authors
Park, Won Il; Yoo, Jinkyung; Yi, Gyu-Chul
Issue Date
2005-05-15
Publisher
한국물리학회 = The Korean Physical Society
Citation
J. Korean Phys. Soc. 46, L1067 (2005)
Keywords
ZnO nanorod; Catalyst-free MOCVD; Ultrafine nanorod; Quantum confinement
Abstract
We report on the catalyst-free growth and the photoluminescent (PL) properties of ultrafine ZnO nanorods. Employing metalorganic chemical-vapor deposition, we prepared ultrafine ZnO nanorods, with very thin diameters below 1.0 nm, on Si substrates at growth temperatures of 800 - 1000 ° C without using any metal catalyst. Synchrotron radiation X-ray diffraction and transmission electron microscopy measurements revealed that those nanorods were single crystalline. Furthermore, from the PL spectra of the ultrafine ZnO nanorods, a systematic blue-shift in their PL peak position was observed with decreasing diameter, presumably due to the quantum-confinement effect along the radial direction in ZnO nanorods.
ISSN
0374-4884
Language
English
URI
http://kiss.kstudy.com/search/detail_view.asp?key=2476546
http://hdl.handle.net/10371/5424
http://www.kps.or.kr
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College of Natural Sciences (자연과학대학)Dept. of Physics and Astronomy (물리·천문학부)Physics (물리학전공)Journal Papers (저널논문_물리학전공)
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