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High-current-density monolayer CdSe/ZnS quantum dot light-emitting devices with oxide electrodes

  • Edward M. Likovich
  • , Rafael Jaramillo
  • , Kasey J. Russell
  • , Shriram Ramanathan
  • , Venkatesh Narayanamurti

Research output: Contribution to journalArticlepeer-review

Abstract

Films of semiconductor quantum dots (QDs) are promising for lighting technologies, but controlling how current flows through QD films remains a challenge. A new design for a QD light-emitting device that uses atomic layer deposition to fill the interstices between QDs with insulating oxide is introduced. It funnels current through the QDs themselves, thus increasing the light emission yield.

Original languageEnglish (US)
Pages (from-to)4521-4525
Number of pages5
JournalAdvanced Materials
Volume23
Issue number39
DOIs
StatePublished - Oct 18 2011
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering

Keywords

  • atomic layer deposition
  • light-emitting devices
  • oxides
  • photovoltaic devices
  • quantum dots

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