Field Electron Emission of MWCNTs/PEO Composites

Nadjima Benkara Mohammed; Roslan Md. Nor; Noureddine Benouattas

doi:10.4028/www.scientific.net/AMR.832.821

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 832Field Electron Emission of MWCNTs/PEO Composites

Field Electron Emission of MWCNTs/PEO Composites

Abstract:

Electron field emission properties of multi-walled carbon nanotubes (MWCNTs)/polyethylene oxide (PEO) thin films composites with (5%, 15%, 25%, 33%, 40% and 50 % loading of MWCNTs) were investigated. JE curved were measured and modeled according to FowlerNordheim theory. Sample with 33% MWCNTs loading showed the best results with the turn on and threshold fields of 7.66 V/μm and 9.72 V/μm respectively. With 15% MWCNTs loading, the highest enhancement factor of 1509 was observed. Excellent current stability, for the duration of about 34 min was observed for all samples. Raman spectroscopy analysis showed a good matrix/filler interaction and thermogravimetric analysis indicated that thermal degradation of the composites occurred in two stages.

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Advanced Materials Research (Volume 832)

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821-826

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https://doi.org/10.4028/www.scientific.net/AMR.832.821

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November 2013

Authors:

Nadjima Benkara Mohammed, Roslan Md. Nor, Noureddine Benouattas

Keywords:

Composite, Field Emission, MWCNT, PEO, Thin Film

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