Document Detail

Transient response of blue organic electroluminescence devices with short fluorescence lifetime of substituted phenyl/vinyl compound as an emissive layer.
MedLine Citation:
PMID:  17410265     Owner:  NLM     Status:  PubMed-not-MEDLINE    
We have demonstrated a short fluorescence lifetime of the substituted phenyl/vinyl compound, 1,4-bis[2-[4-[N,N-di(p-tolyl)amino]phenyl]vinyl]benzene (DSB). The fluorescence lifetime of the 0.5 mol.% DSB-doped 4,4'-bis(9-carbazolyl)biphenyl film is 1.2 ns, which is desirable for organic light-emitting diode (OLED) light sources for optical interconnect applications. We have also examined frequency dependences on the electroluminescence (EL) intensity of the OLED and the photoluminescence (PL) intensity of the DSB film. The -3 dB cutoff frequency of the EL intensity is about 3 MHz for the optimized device, and the -3dB cutoff frequency of the PL intensity is about 160 MHz for the optically pumping DSB film.
Takeshi Fukuda; Masakazu Ohashi; Bin Wei; Tomoko Okada; Musubu Ichikawa; Yoshio Taniguchi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics letters     Volume:  32     ISSN:  0146-9592     ISO Abbreviation:  Opt Lett     Publication Date:  2007 May 
Date Detail:
Created Date:  2007-04-05     Completed Date:  2007-07-06     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7708433     Medline TA:  Opt Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1150-2     Citation Subset:  -    
Optics and Electronics Laboratory, Fujikura Ltd., Japan.
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