Field emission properties of carbon nanotube film using a spray method

Yang Doo Lee, Kyong S. Lee, Yun-Hi Lee, Byeong Kwon Ju

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

We fabricated carbon nanotube (CNT) emitters by a spray method using a CNT suspension with ethanol. Indium with a low melting pointing metal or indium tin oxide (ITO) was deposited on the glass substrate. The CNTs were sprayed on these layers and thermally annealed. The sprayed CNTs on an ITO were obtained a high emission current density, field enhancement factor, and a uniform emission pattern than the sprayed CNTs on an ITO layer. We found that the sprayed emitters on the indium layer had good field emission characteristics because of the strong adherence between the metal layer and CNTs.

Original languageEnglish
Pages (from-to)513-516
Number of pages4
JournalApplied Surface Science
Volume254
Issue number2
DOIs
Publication statusPublished - 2007 Nov 15

Fingerprint

Carbon Nanotubes
Field emission
Indium
sprayers
field emission
Carbon nanotubes
carbon nanotubes
Tin oxides
Metals
indium oxides
tin oxides
Wire pointing
indium
Suspensions
emitters
Melting
Ethanol
Current density
Glass
Substrates

Keywords

  • Carbon nanotubes
  • Field emission
  • Spray

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Condensed Matter Physics

Cite this

Field emission properties of carbon nanotube film using a spray method. / Lee, Yang Doo; Lee, Kyong S.; Lee, Yun-Hi; Ju, Byeong Kwon.

In: Applied Surface Science, Vol. 254, No. 2, 15.11.2007, p. 513-516.

Research output: Contribution to journalArticle

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AB - We fabricated carbon nanotube (CNT) emitters by a spray method using a CNT suspension with ethanol. Indium with a low melting pointing metal or indium tin oxide (ITO) was deposited on the glass substrate. The CNTs were sprayed on these layers and thermally annealed. The sprayed CNTs on an ITO were obtained a high emission current density, field enhancement factor, and a uniform emission pattern than the sprayed CNTs on an ITO layer. We found that the sprayed emitters on the indium layer had good field emission characteristics because of the strong adherence between the metal layer and CNTs.

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