Hybrid silicon nanocrystal?organic light-emitting devices for infrared electroluminescence

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

Research output: Contribution to journalArticle

105 Scopus citations

Abstract

We demonstrate hybrid inorganic-organic light-emitting devices with peak electroluminescence (EL) at a wavelength of 868 nm using silicon nanocrystals (SiNCs). An external quantum efficiency of 0.6% is realized in the forward-emitted direction, with emission originating primarily from the SiNCs. Microscopic characterization indicates that complete coverage of the SiNCs on the conjugated polymer hole-transporting layer is required to observe efficient EL.

Original languageEnglish (US)
Pages (from-to)1154-1157
Number of pages4
JournalNano letters
Volume10
Issue number4
DOIs
StatePublished - Apr 14 2010

Keywords

  • Electroluminescence
  • Hybrid inorganic-organic light-emitting devices
  • Quantum dots
  • Silicon nanocrystals

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