Fabrication, characterization, and kinetic study of vertical single-crystalline CuO nanowires on Si substrates

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題名:	Fabrication, characterization, and kinetic study of vertical single-crystalline CuO nanowires on Si substrates
作者:	鄭紹良;Cheng, Shao-Liang;Chen, Ming-Feng
貢獻者:	工學院化學工程與材料工程學系
關鍵詞:	Chemistry and Materials Science;Crystallography;Fabrication;Growth kinetics;High temperature;INEC 2011;Materials Science;Molecular Medicine;Nano Express;Nanochemistry;Nanoscale Science and Technology;Nanotechnology;Nanotechnology and Microengineering;Nanowires;Oxidation;Scanning electron microscopy;Silicon substrates;Single crystals;Temperature
日期:	2012-01-01
上傳時間:	2026-04-21 13:49:03 (UTC+8)
出版者:	Springer New York;New York: Springer Science and Business Media LLC
摘要:	摘要： We report here on the first study of the growth kinetics of high-yield, vertical CuO nanowires on silicon substrates produced by the process of thermal oxidation. The length of the CuO nanowires could be tuned from several to tens of micrometers by adjusting the oxidation temperature and time. The grown CuO nanowires were determined to be single-crystalline with different axial crystallographic orientations. After a series of scanning electron microscopy examinations, the average length of CuO nanowires produced at each temperature was found to follow a parabolic relationship with the oxidation time. The parabolic growth rate at different oxidation temperatures was measured. The activation energy for the growth of CuO nanowires calculated from an Arrhenius plot was found to be about 174.2 kJ/mole. In addition, the current-voltage characterization indicated that the sample with high-density CuO nanowires exhibited ohmic behavior, and its resistance was found to significantly decrease with increasing environmental temperature. The result can be attributed to an increase in the number of carriers at higher temperatures. 其他題名： Nanoscale Res Lett 出版者： New York: Springer Science and Business Media LLC 出版日期： 2012-02-13 出處： Nanoscale Research Letters, 2012-02, Vol.7 (1), p.119-119, Article 119 資源來源： Publicly Available Content Database 版權： Cheng and Chen; licensee Springer. 2012. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. 版權： Copyright Springer Nature B.V. Dec 2012 版權： Copyright ©2012 Cheng and Chen; licensee Springer. 2012 Cheng and Chen; licensee Springer. 識別號： ISSN: 1556-276X 識別號： ISSN: 1931-7573 識別號： EISSN: 1556-276X 識別號： DOI: 10.1186/1556-276x-7-119 識別號： PMID: 22330902
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