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Proceedings Paper

Emissive efficiency enhancement of Alq3 and prospects for plasmon-enhanced organic electroluminescence
Author(s): Wenming Li; Shanlin Pan; Lewis J. Rothberg
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Paper Abstract

We study the photoluminescence of Alq3 on nanotextured silver surfaces to investigate the feasibility of using plasmon enhancement of radiative rates to improve the performance of organic light-emitting diodes. We observe more than 20-fold increases in photoluminescence and separate the contributions of absorption and emissive efficiency increases. With optimized silver coverage, the fraction of excited states created that fluorescence can be made nearly 100 %, an increase of more than 3 times relative to thin films without silver.

Paper Details

Date Published: 26 August 2008
PDF: 7 pages
Proc. SPIE 7032, Plasmonics: Metallic Nanostructures and Their Optical Properties VI, 703224 (26 August 2008); doi: 10.1117/12.796177
Show Author Affiliations
Wenming Li, Univ. of Rochester (United States)
Shanlin Pan, Univ. of Alabama (United States)
Lewis J. Rothberg, Univ. of Rochester (United States)

Published in SPIE Proceedings Vol. 7032:
Plasmonics: Metallic Nanostructures and Their Optical Properties VI
Mark I. Stockman, Editor(s)

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