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Engineering the activity and lifetime of heterogeneous catalysts for carbon nanotube growth via substrate ion beam bombardment.
- Source :
-
Nano letters [Nano Lett] 2014 Sep 10; Vol. 14 (9), pp. 4997-5003. Date of Electronic Publication: 2014 Aug 11. - Publication Year :
- 2014
-
Abstract
- We demonstrate that argon ion bombardment of single crystal sapphire leads to the creation of substrates that support the growth of vertically aligned carbon nanotubes from iron catalysts with a density, height, and quality equivalent to those grown on conventional, disordered alumina supports. We quantify the evolution of the catalyst using a range of surface characterization techniques and demonstrate the ability to engineer and pattern the catalyst support through control of ion beam bombardment parameters.
Details
- Language :
- English
- ISSN :
- 1530-6992
- Volume :
- 14
- Issue :
- 9
- Database :
- MEDLINE
- Journal :
- Nano letters
- Publication Type :
- Academic Journal
- Accession number :
- 25079258
- Full Text :
- https://doi.org/10.1021/nl501417h