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Isophorone‐based fluorescent dopant for red organic electroluminescence device

Isophorone‐based fluorescent dopant for red organic electroluminescence device Isophorone‐based red fluorescent compound 3‐(dicyanomethylene)‐5,5‐dimethyl‐1‐[2‐(N‐ethyl‐3‐carbazyl) ethylene]cyclohexene (DCDCC) was synthesized for use in organic light‐emitting diodes (OLEDs). DCDCC was characterized by narrow emission in photoluminescence with full‐width at half‐maximum of only 50 nm in solution and in thin solid film of 70 nm width. Electroluminescence devices with configuration of ITO/NPB/Alq3:DCDCC/Alq3/Mg: Ag were fabricated utilizing DCDCC as dopant emitter. An efficient red emission peaked at 612 nm was obtained for the device with 1% (wt.%) DCDCC in Alq3. The maximum luminance and current efficiency were as high as 3700 cd/m2 at 14 V and 1.25 cd/A at 150 mA/cm2, respectively. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Chinese Journal of Chemistry Wiley

Isophorone‐based fluorescent dopant for red organic electroluminescence device

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References (19)

Publisher
Wiley
Copyright
Copyright © 2003 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1001-604X
eISSN
1614-7065
DOI
10.1002/cjoc.20030211009
Publisher site
See Article on Publisher Site

Abstract

Isophorone‐based red fluorescent compound 3‐(dicyanomethylene)‐5,5‐dimethyl‐1‐[2‐(N‐ethyl‐3‐carbazyl) ethylene]cyclohexene (DCDCC) was synthesized for use in organic light‐emitting diodes (OLEDs). DCDCC was characterized by narrow emission in photoluminescence with full‐width at half‐maximum of only 50 nm in solution and in thin solid film of 70 nm width. Electroluminescence devices with configuration of ITO/NPB/Alq3:DCDCC/Alq3/Mg: Ag were fabricated utilizing DCDCC as dopant emitter. An efficient red emission peaked at 612 nm was obtained for the device with 1% (wt.%) DCDCC in Alq3. The maximum luminance and current efficiency were as high as 3700 cd/m2 at 14 V and 1.25 cd/A at 150 mA/cm2, respectively.

Journal

Chinese Journal of ChemistryWiley

Published: Oct 1, 2003

Keywords: ; ; ;

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