Enhanced luminance of organic light-emitting diodes with metal nanoparticle electron injection layer

Deang Liu, Michael Fina, Li Ren, Samuel S. Mao

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

Improvement of the performance of organic light-emitting diodes (OLEDs) was achieved by implementing Magnesium-Nickel nanoparticles at the cathode-organic interface using pulsed laser deposition technique. The small geometry of Mg-Ni nanoparticles acts to enhance the localized electric field around them, thus increasing electron injection through tunneling, from the cathode to the organic layer. Improved current and luminance characteristics were demonstrated for both small molecule and polymer-based OLEDs when the nanoparticle layer was incorporated.

Original languageBritish English
Pages (from-to)353-356
Number of pages4
JournalApplied Physics A: Materials Science and Processing
Volume96
Issue number2
DOIs
StatePublished - Aug 2009

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