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Tunable Synthesis of Cuprous and Cupric Oxide Nanotubes from Electrodeposited Copper Nanowires
- Authors
- Lee, Young-In; Goo, Yong-Sung; Chang, Chong-Hyun; Lee, Kun-Jae; Myung, Nosang V.; Choa, Yong-Ho
- Issue Date
- Feb-2011
- Publisher
- American Scientific Publishers
- Keywords
- Copper Nanowire; Copper Oxide Nanotube; Kirkendall Effect; Thermal Oxidization
- Citation
- Journal of Nanoscience and Nanotechnology, v.11, no.2, pp 1455 - 1458
- Pages
- 4
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Journal of Nanoscience and Nanotechnology
- Volume
- 11
- Number
- 2
- Start Page
- 1455
- End Page
- 1458
- ISSN
- 1533-4880
1533-4899
- Abstract
- Polycrystalline copper oxide nanostructures with different valence/oxidation states (i.e., Cu2O and CuO) were readily synthesized by thermal oxidation of single crystalline copper nanowires at relative low operating temperature (200 to 300 degrees C). Operating temperature of 200 to 250 degrees C in air oxidized copper to Cu2O and further increased temperature (i.e., 300 degrees C) led to form CuO nanostructures. The morphology of nanostructures significantly altered from nanowires to nanotubes which might be attributed to Kirkendall effect. The electrical resistivity of single copper nanowire, Cu2O and CuO nanotube were determined to be 3.4 x 10(-4), 33, and 211 Omega cm, respectively.
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Related Researcher
- CHOA, YONG HO
- ERICA 첨단융합대학 (ERICA 신소재·반도체공학전공)