NDLI: Field emission from single-, double-, and multi-walled carbon nanotubes chemically attached to silicon

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Field emission from single-, double-, and multi-walled carbon nanotubes chemically attached to silicon

Content Provider	Semantic Scholar
Author	Shearer, Cameron J. Fahy, Adam Barr, Matthew G. Moore, Katherine E. Dastoor, Paul C. Shapter, Joseph G.
Copyright Year	2012
Abstract	The chemical attachment and field emission (FE) properties of single-walled carbon nanotubes (SWCNTs), double-walled carbon nanotubes (DWCNTs), and multi-walled carbon nanotubes (MWCNTs) chemically attached to a silicon substrate have been investigated. A high density of CNTs was revealed by atomic force microscopy imaging with orientation varying with CNT type. Raman spectroscopy was used to confirm the CNT type and diameter on the surfaces. The field emission properties of the surfaces were studied and both current-voltage and Fowler-Nordheim plots were obtained. The SWCNTs exhibited superior FE characteristics with a turn-on voltage (Eto) of 1.28 V μm−1 and electric field enhancement factor (β) of 5587. The DWCNT surface showed an Eto of 1.91 V μm−1 and a β of 4748, whereas the MWCNT surface exhibited an Eto of 2.79 V μm−1 and a β of 3069. The emission stability of each CNT type was investigated and it was found that SWCNTs produced the most stable emission. The differences between the FE characteristi...
Starting Page	044326
Ending Page	044326
Page Count	1
File Format	PDF HTM / HTML
DOI	10.1063/1.3687363
Alternate Webpage(s)	https://ogma.newcastle.edu.au/vital/access/services/Download/uon:15214/ATTACHMENT01
Alternate Webpage(s)	https://dspace.flinders.edu.au/xmlui/bitstream/handle/2328/26524/Shearer%20Field2.pdf?isAllowed=y&sequence=1
Alternate Webpage(s)	https://doi.org/10.1063/1.3687363
Volume Number	111
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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