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Nanomaterials for field electron emission: preparation, characterization and application
Ning Sheng Xu1, Shao Zhi Deng, Jun Chen
1Guangdong Province Key Lab of Display Material and Technology, Department of Physics, Zhongshan University, 510275, Guangzhou, People's Republic of China. stsxns@zsu.edu.cn
Ultramicroscopy
|January 22, 2003
Summary
Quasi-one-dimensional nanomaterials like carbon nanotubes, copper sulfide, and silicon carbide nanorods show great potential as efficient cold cathode electron emitters. Their synthesis and deposition techniques are advancing for device applications.
Area of Science:
- Materials Science and Engineering
- Nanotechnology
- Physics
Background:
- Quasi-one-dimensional nanomaterials exhibit unique electronic properties.
- Field electron emission is crucial for various electronic devices.
- Advancements in nanomaterial synthesis are key to their application.
Purpose of the Study:
- To review synthesis and deposition techniques for quasi-one-dimensional nanomaterials.
- To present recent achievements in studying their field electron emission properties.
- To highlight experimental findings on specific nanomaterials.
Main Methods:
- Review of synthesis and deposition methodologies.
- Experimental characterization of field electron emission.
- Analysis of nanomaterial properties in device structures.
Main Results:
- Carbon nanotubes, copper sulfide, and silicon carbide nanorods demonstrate promising field electron emission.
- Effective techniques for growing and depositing these nanomaterials in devices have been developed.
- Performance data for typical device structures utilizing these nanomaterials are presented.
Conclusions:
- Quasi-one-dimensional nanomaterials are viable candidates for cold cathode electron emitters.
- Progress in synthesis and deposition facilitates their integration into functional devices.
- Further research into these materials will advance electron emission technologies.