Secondary nanotube growth on aligned carbon nanofibre arrays for superior field emission

Paul C.P. Watts, Stephen M. Lyth, Simon J. Henley, S. Ravi P Silva

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

We report substantial improvement of the field emission properties from aligned carbon nanotubes grown on aligned carbon nanofibres by a two-stage plasma enhanced chemical vapour deposition (PECVD) process. The threshold field decreased from 15.0 to 3.6 V/μm after the secondary growth. The field enhancement factor increased from 240 to 1480. This technique allows for superior emission of electrons for carbon nanotube/nanofibre arrays grown directly on highly doped silicon for direct integration in large area displays.

Original languageEnglish
Pages (from-to)2147-2150
Number of pages4
JournalJournal of nanoscience and nanotechnology
Volume8
Issue number4
DOIs
Publication statusPublished - Apr 2008
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics

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