Synthesis of carbon-nitrogen nanostructures by hot isostatic pressure apparatus and their field emission properties

Yang Doo Lee, V. D. Blank, D. V. Batov, S. G. Buga, Yun-Hi Lee, Sahn Nahm, Byeong Kwon Ju

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Carbon-nitrogen (CN) nanofibers were synthesized in argon-nitrogen gas mixture at 75 MPa by high isostatic pressure (HIP) apparatus using a graphite resistive heater. The CN nanofibers were grown in random with the diameter of about 200 nm and the length over 5 μm. The structures obtained can be divided bamboo-like, spring-like, and bead necklace-like CN nanofibers. The nitrogen content of up to 8.4% was found in CN nanofibers by EELS analysis. Field emission results showed that the density of field emitters and the field enhancement factors changed by surface treatments and that CN nanofibers contained glass frit. The screen-printed CN nanofiber had a turn-on field of 2 V/μm.

Original languageEnglish
Pages (from-to)570-574
Number of pages5
JournalJournal of Nanoscience and Nanotechnology
Volume7
Issue number2
DOIs
Publication statusPublished - 2007 Feb 1

Fingerprint

isostatic pressure
Nanostructures
Nanofibers
Field emission
field emission
Nitrogen
Carbon
Pressure
nitrogen
carbon
synthesis
frit
Bamboo
Graphite
Argon
Electron energy loss spectroscopy
surface treatment
heaters
Gas mixtures
beads

Keywords

  • Carbon nanostructures
  • Field emission
  • High isostatic pressure (HIP)
  • TEM

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Materials Science (miscellaneous)
  • Engineering (miscellaneous)

Cite this

Synthesis of carbon-nitrogen nanostructures by hot isostatic pressure apparatus and their field emission properties. / Lee, Yang Doo; Blank, V. D.; Batov, D. V.; Buga, S. G.; Lee, Yun-Hi; Nahm, Sahn; Ju, Byeong Kwon.

In: Journal of Nanoscience and Nanotechnology, Vol. 7, No. 2, 01.02.2007, p. 570-574.

Research output: Contribution to journalArticle

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