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Carbon nanotube field emitter.

Yahachi Saito¹

¹Department of Electrical and Electronic Engineering, Mie University, 1515 Kamihama, Tsu 514-8507, Japan.

Journal of Nanoscience and Nanotechnology

|August 12, 2003

Summary

Carbon nanotubes (CNTs) are excellent cold cathode electron emitters. This review covers CNT field emission, microscopy, and applications in displays and other electric devices.

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Area of Science:

Materials Science
Physics
Nanotechnology

Background:

Carbon nanotubes (CNTs) exhibit exceptional properties for field emission applications.
They are increasingly recognized as viable electron emitters for cold cathode technology.

Purpose of the Study:

To review the field emission phenomena of carbon nanotubes (CNTs) with diverse morphologies and surface conditions.
To explore the application of CNTs as electron sources in display devices and other electrical instruments.

Main Methods:

Field Emission Microscopy (FEM) was employed to investigate CNT field emission characteristics.
A comprehensive literature review was conducted on CNT field emission and device applications.

Main Results:

FEM reveals detailed field emission behaviors of CNTs based on their structure and surface adsorbates.
CNTs demonstrate significant potential as electron sources for various electronic devices.

Conclusions:

Carbon nanotubes are highly promising materials for advanced electron emission technologies.
Further research into CNT field emitters can drive innovation in display and electronic device development.

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