Title :
Patterned deposition and field emission properties of carbon nanotubes by electrophoresis
Author :
Zhao, Haifeng ; Song, Hang ; Li, Zhiming ; Liu, Naikang ; Yuan, Guang ; Jin, Yixin
Author_Institution :
Changchun Inst. of Opt., Fine Mech. & Phys., China
Abstract :
Multi-wall carbon nanotubes were deposited on the patterned silicon substrates using electrophoretic deposition. The surface images of carbon nanotubes on substrate were observed by scanning electron microscopy. Field emission properties have been tested with a diode structure in a vacuum chamber below 5×10-4 Pa. The emission area measured is 1.0mm. Emission current density up to 30mA/cm at an electric field of 8V/μm has been obtained. Patterned deposition of carbon nanotubes by electrophoresis is a potential method to prepare field emission arrays.
Keywords :
carbon nanotubes; current density; electrophoresis; field emission; field emitter arrays; silicon; carbon nanotubes; diode structure; electrophoresis; electrophoretic deposition; field emission arrays; field emission properties; pattern deposition; scanning electron microscopy; silicon substrates; surface images; vacuum chamber; Carbon nanotubes; Chemical vapor deposition; Current density; Electrodes; Electrokinetics; Electron emission; Ocean temperature; Scanning electron microscopy; Silicon compounds; Surface morphology;
Conference_Titel :
Vacuum Electron Sources Conference, 2004. Proceedings. IVESC 2004. The 5th International
Print_ISBN :
0-7803-8437-7
DOI :
10.1109/IVESC.2004.1414176
