Document Detail


Synthesis and application of pyridine-based ambipolar hosts: control of charge balance in organic light-emitting devices by chemical structure modification.
MedLine Citation:
PMID:  21053914     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
We studied the influence of a pyridine moiety versus a phenyl moiety when introduced in the molecular design of an ambipolar host. These pyridine-based host materials for organic light-emitting diodes (OLEDs) were synthesized in three to five steps from commercially available starting materials. The isomeric hosts have similar HOMO/LUMO energies; however, data from OLEDs fabricated using the above host materials demonstrate that small structural modification of the host results in significant changes in its carrier-transporting characteristics.
Authors:
Phillip K Koech; Evgueni Polikarpov; James E Rainbolt; Lelia Cosimbescu; James S Swensen; Amber L Von Ruden; Asanga B Padmaperuma
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Publication Detail:
Type:  Journal Article     Date:  2010-11-05
Journal Detail:
Title:  Organic letters     Volume:  12     ISSN:  1523-7052     ISO Abbreviation:  Org. Lett.     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-11-29     Completed Date:  2011-01-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100890393     Medline TA:  Org Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  5534-7     Citation Subset:  -    
Affiliation:
Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, USA.
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