High performance field emission of carbon nanotube film emitters with a triangular shape

We report novel two-dimensional (2D) shaped carbon nanotube (CNT) field emitters using triangular-shaped CNT films and their field emission properties. Using the 2D shaped CNT field emitters, we achieved remarkable field emission performance with a high emission current of 22 mA (equivalent to an em...

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Bibliographic Details
Published in:Carbon (New York) 2015-08, Vol.89, p.404-410
Main Authors: Shin, Dong Hoon, Yun, Ki Nam, Jeon, Seok-Gy, Kim, Jung-Il, Saito, Yahachi, Milne, William I., Lee, Cheol Jin
Format: Article
Language:English
Subjects:
Carbon
Carbon nanotubes
Emission
Emitters
Equivalence
Field emission
Stability
Two dimensional
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Summary:We report novel two-dimensional (2D) shaped carbon nanotube (CNT) field emitters using triangular-shaped CNT films and their field emission properties. Using the 2D shaped CNT field emitters, we achieved remarkable field emission performance with a high emission current of 22 mA (equivalent to an emission current density >10 super(5) A/cm super(2)) and long-term emission stability at 1 mA for 20 h. We also discuss the field emission behavior of the 2D shaped CNT field emitter in detail.
ISSN:0008-6223
DOI:10.1016/j.carbon.2015.03.041