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Preparation of Pulp for Screen Printing ZnO Nanoneedles and Field Emission Properties

[+] Author Affiliations
Ling-Min Yu

Xi’an Jiao Tong University; Xi’an Technological University, Xi’an, Shan Xi, China

Chang-Chun Zhu

Xi’an Jiao Tong University, Xi’an, Shan Xi, China

Li-Jun Qi

Xi’an Technological University, Xi’an, Shan Xi, China

Paper No. MicroNano2008-70005, pp. 1-5; 5 pages
  • 2008 Second International Conference on Integration and Commercialization of Micro and Nanosystems
  • 2008 Second International Conference on Integration and Commercialization of Micro and Nanosystems
  • Clear Water Bay, Kowloon, Hong Kong, June 3–5, 2008
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4294-0 | eISBN: 0-7918-3819-6
  • Copyright © 2008 by ASME


To solve the problem that Various post-treatment technologies were needed to improve the field emission in the current preparation of screen printing carbon nanotubes (CNTs) film, a novel pulping process without post-treatment for screen printing ZnO nanoneedles was presented. Carboxymethyl cellulose (CMC) was used for pulping agent and water was used for dissolvent in this process. The measurement of field emission revealed that the ZnO nanoneedles film prepared by mass ratio 3:5 of ZnO nanoneedles to the paste agent had the lowest turn-on field 2.25V/μm at the current density of 1μA/cm2 , and the uniform distribution and great density of luminance points of the ZnO nanoneedles was obtained at the applied field of 4V/μm. This method had a good utility value in the fabrication of ZnO nanoneedles field emission display.

Copyright © 2008 by ASME



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