An all-gas-phase approach for the fabrication of silicon nanocrystal light-emitting devices

Rebecca J. Anthony, Kai Yuan Cheng, Zachary Holman, Russell J. Holmes, Uwe R. Kortshagen

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

We present an all-gas-phase approach for the fabrication of nanocrystal-based light-emitting devices. In a single reactor, silicon nanocrystals are synthesized, surface-functionalized, and deposited onto substrates precoated with a transparent electrode. Devices are completed by evaporation of a top metal electrode. The devices exhibit electroluminescence centered at a wavelength of λ = 836 nm with a peak external quantum efficiency exceeding 0.02%. This all-gas-phase approach permits controlled deposition of dense, functional nanocrystal films suitable for application in electronic devices.

Original languageEnglish (US)
Pages (from-to)2822-2825
Number of pages4
JournalNano Letters
Volume12
Issue number6
DOIs
StatePublished - Jun 13 2012
Externally publishedYes

Fingerprint

Silicon
Nanocrystals
nanocrystals
Gases
vapor phases
Fabrication
fabrication
silicon
Electrodes
Electroluminescence
Quantum efficiency
electrodes
Evaporation
Metals
electroluminescence
quantum efficiency
Wavelength
reactors
evaporation
Substrates

Keywords

  • gas phase
  • light-emitting device
  • nanocrystals
  • plasma
  • Silicon

ASJC Scopus subject areas

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

Cite this

An all-gas-phase approach for the fabrication of silicon nanocrystal light-emitting devices. / Anthony, Rebecca J.; Cheng, Kai Yuan; Holman, Zachary; Holmes, Russell J.; Kortshagen, Uwe R.

In: Nano Letters, Vol. 12, No. 6, 13.06.2012, p. 2822-2825.

Research output: Contribution to journalArticle

Anthony, Rebecca J. ; Cheng, Kai Yuan ; Holman, Zachary ; Holmes, Russell J. ; Kortshagen, Uwe R. / An all-gas-phase approach for the fabrication of silicon nanocrystal light-emitting devices. In: Nano Letters. 2012 ; Vol. 12, No. 6. pp. 2822-2825.
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