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|Title:||Growth and characterization of bamboo-shaped carbon nanotubes using nanocluster-assembled ZnO:co thin films as catalyst|
|Keywords:||Bamboo-Shaped Carbon Nanotubes|
|Citation:||Zhao, Z.W., Lei, W., Zhang, X.B., Tay, B.K., Chen, J.S. (2012-08). Growth and characterization of bamboo-shaped carbon nanotubes using nanocluster-assembled ZnO:co thin films as catalyst. Journal of Nanoscience and Nanotechnology 12 (8) : 6583-6587. ScholarBank@NUS Repository. https://doi.org/10.1166/jnn.2012.5427|
|Abstract:||Bamboo-shaped carbon nanotubes (CNTs) had been successfully fabricated by a plasma enhanced chemical vapor deposition method, in which nanocluster- assembled ZnO:Co thin film was used as catalyst. It was found that bamboo-shaped CNTs were generally grown in a direction perpendicularly to the substrate surface with the tops of CNTs dominated by the droplet-like catalyst covered by the carbon layer. The diameter of CNTs was ranged from 20-50 nm. High resolution of TEM image showed that the typical CNT had a multi-walled structure with an inner core presented. The ordered graphite layers were inclined to an axis of CNT about 18,and the interlayer space of a CNT was about 0.35 nm. Two peaks in Raman spectrum at 1586 cm-1 and 1372 cm-1 were identified as G-band and D-band for graphite, respectively. The results showed that catalyst based on ZnO:Co thin films could be used for the growth of CNTs with bamboo-shaped structure. Copyright © 2012 American Scientific Publishers.|
|Source Title:||Journal of Nanoscience and Nanotechnology|
|Appears in Collections:||Staff Publications|
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