Resonant behavior observed in electron field emission from acid functionalized multiwall carbon nanotubes

S. M. Lyth, S. R.P. Silva

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Acid functionalized multiwall carbon nanotube ink was deposited onto carbon fiber fabric via dip coating. Repeatable staircaselike current-field curves were observed in the field emission data. These atypical curves are attributed to resonant tunneling through localized surface states in a quantum well structure, which arises due to the presence of the surface carboxylic functional group.

Original languageEnglish
Article number123102
JournalApplied Physics Letters
Volume94
Issue number12
DOIs
Publication statusPublished - 24 Mar 2009

Keywords

  • carbon nanotubes
  • electron emission
  • carbon fiber

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