Millimeter-long carbon nanotubes: Outstanding electron-emitting sources

Néstor Perea-López; Bernabé Rebollo-Plata; Juan Antonio Briones-León; Aarón Morelos-Gómez; Daniel Hernández-Cruz; Gustavo A. Hirata; Vincent Meunier; Andrés R. Botello-Méndez; Jean Christophe Charlier; Benji Maruyama; Emilio Muñoz-Sandoval; Florentino López-Urías; Mauricio Terrones; Humberto Terrones

doi:10.1021/nn201149y

Millimeter-long carbon nanotubes: Outstanding electron-emitting sources

Néstor Perea-López, Bernabé Rebollo-Plata, Juan Antonio Briones-León, Aarón Morelos-Gómez, Daniel Hernández-Cruz, Gustavo A. Hirata, Vincent Meunier, Andrés R. Botello-Méndez, Jean Christophe Charlier, Benji Maruyama, Emilio Muñoz-Sandoval, Florentino López-Urías, Mauricio Terrones, Humberto Terrones

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Abstract

We are reporting the fabrication of a very efficient electron source using millimeter-long and highly crystalline carbon nanotubes. These devices start to emit electrons at fields as low as 0.17 V/μm and reach threshold emission at 0.24 V/μm. In addition, these electron sources are very stable and can achieve a peak current density of 750 mA cm^-2 at only 0.45 V/μm. In order to demonstrate intense electron beam generation, these devices were used to produce visible light by cathodoluminescence. Finally, density functional theory calculations were used to rationalize the measured electronic field emission properties in open carbon nanotubes of different lengths. The modeling establishes a clear correlation between length and field enhancement factor.

Original language	English (US)
Pages (from-to)	5072-5077
Number of pages	6
Journal	ACS nano
Volume	5
Issue number	6
DOIs	https://doi.org/10.1021/nn201149y
State	Published - Jun 28 2011

All Science Journal Classification (ASJC) codes

General Materials Science
General Engineering
General Physics and Astronomy

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Perea-López, N., Rebollo-Plata, B., Briones-León, J. A., Morelos-Gómez, A., Hernández-Cruz, D., Hirata, G. A., Meunier, V., Botello-Méndez, A. R., Charlier, J. C., Maruyama, B., Muñoz-Sandoval, E., López-Urías, F., Terrones, M., & Terrones, H. (2011). Millimeter-long carbon nanotubes: Outstanding electron-emitting sources. ACS nano, 5(6), 5072-5077. https://doi.org/10.1021/nn201149y

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abstract = "We are reporting the fabrication of a very efficient electron source using millimeter-long and highly crystalline carbon nanotubes. These devices start to emit electrons at fields as low as 0.17 V/μm and reach threshold emission at 0.24 V/μm. In addition, these electron sources are very stable and can achieve a peak current density of 750 mA cm-2 at only 0.45 V/μm. In order to demonstrate intense electron beam generation, these devices were used to produce visible light by cathodoluminescence. Finally, density functional theory calculations were used to rationalize the measured electronic field emission properties in open carbon nanotubes of different lengths. The modeling establishes a clear correlation between length and field enhancement factor.",

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Perea-López, N, Rebollo-Plata, B, Briones-León, JA, Morelos-Gómez, A, Hernández-Cruz, D, Hirata, GA, Meunier, V, Botello-Méndez, AR, Charlier, JC, Maruyama, B, Muñoz-Sandoval, E, López-Urías, F, Terrones, M & Terrones, H 2011, 'Millimeter-long carbon nanotubes: Outstanding electron-emitting sources', ACS nano, vol. 5, no. 6, pp. 5072-5077. https://doi.org/10.1021/nn201149y

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AU - Perea-López, Néstor

AU - Rebollo-Plata, Bernabé

AU - Briones-León, Juan Antonio

AU - Morelos-Gómez, Aarón

AU - Hernández-Cruz, Daniel

AU - Hirata, Gustavo A.

AU - Meunier, Vincent

AU - Botello-Méndez, Andrés R.

AU - Charlier, Jean Christophe

AU - Maruyama, Benji

AU - Muñoz-Sandoval, Emilio

AU - López-Urías, Florentino

AU - Terrones, Mauricio

AU - Terrones, Humberto

PY - 2011/6/28

Y1 - 2011/6/28

N2 - We are reporting the fabrication of a very efficient electron source using millimeter-long and highly crystalline carbon nanotubes. These devices start to emit electrons at fields as low as 0.17 V/μm and reach threshold emission at 0.24 V/μm. In addition, these electron sources are very stable and can achieve a peak current density of 750 mA cm-2 at only 0.45 V/μm. In order to demonstrate intense electron beam generation, these devices were used to produce visible light by cathodoluminescence. Finally, density functional theory calculations were used to rationalize the measured electronic field emission properties in open carbon nanotubes of different lengths. The modeling establishes a clear correlation between length and field enhancement factor.

AB - We are reporting the fabrication of a very efficient electron source using millimeter-long and highly crystalline carbon nanotubes. These devices start to emit electrons at fields as low as 0.17 V/μm and reach threshold emission at 0.24 V/μm. In addition, these electron sources are very stable and can achieve a peak current density of 750 mA cm-2 at only 0.45 V/μm. In order to demonstrate intense electron beam generation, these devices were used to produce visible light by cathodoluminescence. Finally, density functional theory calculations were used to rationalize the measured electronic field emission properties in open carbon nanotubes of different lengths. The modeling establishes a clear correlation between length and field enhancement factor.

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Millimeter-long carbon nanotubes: Outstanding electron-emitting sources

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