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Single-Wall Carbon Nanotube Electron Emitters Produced by Electrophoresis

Published online by Cambridge University Press:  15 March 2011

Elena D. Obraztsova
Affiliation:
Natural Sciences Center of General Physics Institute, 38 Vavilov street, 119991, Moscow, Russia
Anatoly S. Pozharov
Affiliation:
Natural Sciences Center of General Physics Institute, 38 Vavilov street, 119991, Moscow, Russia
Sergey V. Terekhov
Affiliation:
Natural Sciences Center of General Physics Institute, 38 Vavilov street, 119991, Moscow, Russia
Alexander V. Osadchy
Affiliation:
Natural Sciences Center of General Physics Institute, 38 Vavilov street, 119991, Moscow, Russia
Sergey M. Pimenov
Affiliation:
Natural Sciences Center of General Physics Institute, 38 Vavilov street, 119991, Moscow, Russia
Vitaly I. Konov
Affiliation:
Natural Sciences Center of General Physics Institute, 38 Vavilov street, 119991, Moscow, Russia
T.V. Kononenko
Affiliation:
Natural Sciences Center of General Physics Institute, 38 Vavilov street, 119991, Moscow, Russia
Tatiana A. Skaballanovich
Affiliation:
General Physics Institute, RAS, 38 Vavilov street, 119991, Moscow, Russia
Svetlana R. Ivanova
Affiliation:
General Physics Institute, RAS, 38 Vavilov street, 119991, Moscow, Russia
Alexander P. Volkov
Affiliation:
Physics Department of M.V. Lomonosov Moscow State University, 119899, Moscow, Russia
Alexander N. Obraztsov
Affiliation:
Physics Department of M.V. Lomonosov Moscow State University, 119899, Moscow, Russia
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Abstract

Single-wall carbon nanotubes have been synthesized, purified, attested with a high resolution electron microscopy and Raman scattering and deposited by liquid electrophoresis onto different substrates (including a metallized glass) to produce the effective and homogeneous film cathodes for low-field electron emitters. The emission properties (a threshold of the emission switching on, a current value, a time-stability) of the SWNT cathodes have been investigated. A prototype of a phosphorescent lamp with a nanotube cathode has been designed. The Raman spectra of the SWNT cathode registered in situ from the shining lamp have shown no temperature increase and time-degradation of the nanotube material during the emission process.

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Article
Copyright
Copyright © Materials Research Society 2002

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References

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