Improved field emission by liquid elastomer modification of screen-printed CNT film morphology

Hyeon Jae Lee, Yang Doo Lee, Woo Sung Cho, Jai Kyeong Kim, Yun-Hi Lee, Sung Woo Hwang, Byeong Kwon Ju

Research output: Contribution to journalArticle

Abstract

The effect of improvement on the surface morphology of screen-printed carbon nanotube (CNT) films was studied by using the optically clear poly-dimethylsiloxane (PDMS) elastomer for surface treatment. After the PDMS activation treatment was applied to the diode-type CNT cathode, the entangled carbon nanotube (CNT) bundles were broken up into individual free standing nanotubes to remarkably improve the field-emission characteristics over the as-deposited CNT film. Also, the cathode film morphology of a top gated triode-type structure can be treated by using the proposed surface treatment technique, which is a low-cost process, simple process. The relative uniform emission image showed high brightness with a high anode current. This result shows the possibility of using this technique for surface treatment of large-size field emission displays (FEDs) in the future.

Original languageEnglish
Pages (from-to)16-21
Number of pages6
JournalJournal of Information Display
Volume7
Issue number2
DOIs
Publication statusPublished - 2006

Fingerprint

Elastomers
Carbon Nanotubes
Field emission
Carbon nanotubes
Surface treatment
Liquids
Polydimethylsiloxane
Cathodes
Field emission displays
Triodes
Nanotubes
Surface morphology
Luminance
Anodes
Diodes
Chemical activation
Costs
baysilon

Keywords

  • Carbon nanotube
  • FED
  • Field emission
  • Screen printing
  • Surface treatment

ASJC Scopus subject areas

  • Materials Science(all)
  • Electrical and Electronic Engineering

Cite this

Improved field emission by liquid elastomer modification of screen-printed CNT film morphology. / Lee, Hyeon Jae; Lee, Yang Doo; Cho, Woo Sung; Kim, Jai Kyeong; Lee, Yun-Hi; Hwang, Sung Woo; Ju, Byeong Kwon.

In: Journal of Information Display, Vol. 7, No. 2, 2006, p. 16-21.

Research output: Contribution to journalArticle

Lee, Hyeon Jae ; Lee, Yang Doo ; Cho, Woo Sung ; Kim, Jai Kyeong ; Lee, Yun-Hi ; Hwang, Sung Woo ; Ju, Byeong Kwon. / Improved field emission by liquid elastomer modification of screen-printed CNT film morphology. In: Journal of Information Display. 2006 ; Vol. 7, No. 2. pp. 16-21.
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