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New materials for Organic Light-Emitting Diodes

Published online by Cambridge University Press:  10 February 2011

S. Joshua Jacobs ,
Timothy P. Pollagi ,
Michael B. Sinclair ,
Rodger D. Scurlock  and
Peter R. Ogilby
S. Joshua Jacobs
Affiliation:
Sandia National Laboratories, Albuquerque, New Mexico 87185
Timothy P. Pollagi
Affiliation:
Sandia National Laboratories, Albuquerque, New Mexico 87185
Michael B. Sinclair
Affiliation:
Sandia National Laboratories, Albuquerque, New Mexico 87185
Rodger D. Scurlock
Affiliation:
Department of Chemistry, University of New Mexico, Albuquerque, New Mexico 87131
Peter R. Ogilby
Affiliation:
Department of Chemistry, University of New Mexico, Albuquerque, New Mexico 87131
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Abstract

We have investigated the performance of a class of heterocycles, 5,10-dihetera- 5,10-dihydroindeno[3,2b]indenes, as hole transport agents in simple double heterostructure organic light-emitting diodes with tris(8-hydroxyquinoline)aluminum (Alq). The best of these materials, 5,10-dihydroindolo[3,2b]indole, yields devices with luminance and lifetimes comparable to those obtained using N,N′-di-(3-methylphenyl)-N,N′- diphenyl-4,4′-diaminobiphenyl (TPD) as a hole transporting material.

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References

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