Emission characteristics of carbon nanotubes at large electrode distances

Stefano Bellucci; Alessandra Tiberia; Gaia Di Paolo; Frederico Micciulla; Chidambara Thanupillai Balasubramanian

doi:10.1117/1.3314896

1 January 2010 Emission characteristics of carbon nanotubes at large electrode distances

Stefano Bellucci, Alessandra Tiberia, Gaia Di Paolo, Frederico Micciulla, Chidambara Thanupillai Balasubramanian

Author Affiliations +

Journal of Nanophotonics, Vol. 4, Issue 1, 043501 (January 2010). https://doi.org/10.1117/1.3314896

Abstract

Carbon nanotubes (CNT) were synthesized using a DC thermal plasma method. Nanotubes from the cathode were analyzed by electron microscopy and were then studied for their field emission properties. The CNTs were deposited on a tungsten wire, which acted as the cathode. The main aim was to push the distance between the electrodes outside those previously attempted. The field emission current was measured using a phosphorous coated ITO (indium tin oxide) glass plate. Images of the field emitted electrons impinging on the phosphorous screen were also recorded and analyzed. The I-V curves for the field emission were recorded at various distances between the electrodes. Similar studies were performed for commercially obtained (from two different sources) single-walled carbon nanotubes and the results compared with the as-produced nanotubes.

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Stefano Bellucci, Alessandra Tiberia, Gaia Di Paolo, Frederico Micciulla, and Chidambara Thanupillai Balasubramanian "Emission characteristics of carbon nanotubes at large electrode distances," Journal of Nanophotonics 4(1), 043501 (1 January 2010). https://doi.org/10.1117/1.3314896

Published: 1 January 2010

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