CUED Publications database

Carbon nanotube forests growth using catalysts from atomic layer deposition

Chen, B and Zhang, C and Esconjauregui, S and Xie, R and Zhong, G and Bhardwaj, S and Cepek, C and Robertson, J (2014) Carbon nanotube forests growth using catalysts from atomic layer deposition. Journal of Applied Physics, 115. ISSN 0021-8979

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Abstract

We have grown carbon nanotubes using Fe and Ni catalyst films deposited by atomic layer deposition. Both metals lead to catalytically active nanoparticles for growing vertically aligned nanotube forests or carbon fibres, depending on the growth conditions and whether the substrate is alumina or silica. The resulting nanotubes have narrow diameter and wall number distributions that are as narrow as those grown from sputtered catalysts. The state of the catalyst is studied by in-situ and ex-situ X-ray photoemission spectroscopy. We demonstrate multi-directional nanotube growth on a porous alumina foam coated with Fe prepared by atomic layer deposition. This deposition technique can be useful for nanotube applications in microelectronics, filter technology, and energy storage. © 2014 AIP Publishing LLC.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Electronic Devices & Materials
Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:05
Last Modified: 05 Oct 2017 02:14
DOI: