Enhancement of field emission of carbon nanotubes using a simple microwave plasma method
β Scribed by Pejman Hojati-Talemi; George P. Simon
- Publisher
- Elsevier Science
- Year
- 2011
- Tongue
- English
- Weight
- 464 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0008-6223
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External rf plasma irradiation of well-aligned multiwall carbon nanotubes (MWCTs) was demonstrated as a simple purification process. The plasma exposure to argon (Ar) gas was performed in situ in order to modify any structural defects and to vaporize contamination of the MWCTs grown at the extremely
The field emission properties of carbon nanotubes (CNTs) were enhanced by argon ion irradiation. Argon irradiation treatment led to an enhancement in the emission properties of CNTs which showed a decrease in turn-on field and an increase in total emission current after the treatment. The irradiatio
## Abstract Carbon nanotubes (CNTs) have been grown aligned with the directions of electric fields in a DC plasmaβenhanced (DC PE) CVD process. The CNTs can be grown at various predefined angles with respect to the substrate. It is shown that the local electric field, even at the very surface of th