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Seelaboyina R, Boddepalli S, Noh K, et al. Enhanced field emission from aligned multistage carbon nanotube emitter arrays. Nanotechnology. 2008;19(6):065605doi: 10.1088/0957-4484/19/6/065605.
Seelaboyina, R., Boddepalli, S., Noh, K., Jeon, M., & Choi, W. (2008). Enhanced field emission from aligned multistage carbon nanotube emitter arrays. Nanotechnology, 19(6), 065605. https://doi.org/10.1088/0957-4484/19/6/065605
Seelaboyina, Raghunandan, et al. "Enhanced field emission from aligned multistage carbon nanotube emitter arrays." Nanotechnology vol. 19,6 (2008): 065605. doi: https://doi.org/10.1088/0957-4484/19/6/065605
Seelaboyina R, Boddepalli S, Noh K, Jeon M, Choi W. Enhanced field emission from aligned multistage carbon nanotube emitter arrays. Nanotechnology. 2008 Feb 13;19(6):065605. doi: 10.1088/0957-4484/19/6/065605. Epub 2008 Jan 23. PMID: 21730703.
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Nanotechnology. 2008 Feb 13;19(6):065605. doi: 10.1088/0957-4484/19/6/065605. Epub 2008 Jan 23.

Enhanced field emission from aligned multistage carbon nanotube emitter arrays.

Nanotechnology

Raghunandan Seelaboyina, Srinivasarao Boddepalli, Kyungseok Noh, Minhyon Jeon, Wonbong Choi

Affiliations

  1. Nanomaterials and Device Lab, Department of Mechanical and Materials Engineering, Florida International University, Miami, FL 33174, USA.

PMID: 21730703 DOI: 10.1088/0957-4484/19/6/065605

Abstract

In this work we report on the synthesis and field emission properties of carbon nanotube multistage emitter arrays grown on porous silicon by catalytic thermal chemical vapor deposition. The vertically oriented multistage array structures consisted of SWNTs and thin MWNTs grown on MWNTs, confirmed by TEM and Raman analysis. Higher field emission current ∼32 times and low threshold field ∼1.5 times were obtained for these structures in comparison to only MWNT arrays. The enhanced field emission results for these multistage emitters are a consequence of higher field concentration, which is ∼3 times more than MWNTs.

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