Air-stable operation of transparent, colloidal quantum dot based LEDs with a unipolar device architecture

Vanessa Wood, Matthew J. Panzer, Jean Michel Caruge, Jonathan E. Halpert, Moungi G. Bawendi, Vladimir Bulović*

*Corresponding author for this work

Research output: Contribution to journalJournal Articlepeer-review

168 Citations (Scopus)

Abstract

We report a novel unipolar light-emitting device architecture that operates using direct-current, field-driven electroluminescence of colloidally synthesized quantum dots (QDs). This device architecture, which is based only on transparent ceramics and QDs, enables emission from different color QDs and, for the first time, constant QD electroluminescence during extended operation in air, unpackaged.

Original languageEnglish
Pages (from-to)24-29
Number of pages6
JournalNano Letters
Volume10
Issue number1
DOIs
Publication statusPublished - 13 Jan 2010
Externally publishedYes

Keywords

  • Electroluminescence
  • Ionization
  • Metal oxides
  • Quantum dots

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