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Proceedings Paper

Triphenylenes: a new class of hole transporting material in organic light-emitting diodes
Author(s): Andreas Bacher; Christian H. Erdelen; Dietrich Haarer; Wolfgang Paulus; Hans-Werner Schmidt
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Paper Abstract

Electroluminescent devices consisting of triphenylene derivatives as hole transport layer (HTL) and 8- hydroxyquinoline aluminium complex (Alq3) as emitting layer with ITO as anode and aluminium as cathode are presented. Triphenylene compounds were evaporated or spin coated from solution. In addition side chain polymers with triphenylenes are used. Finally we prepared a polymeric HTL by photopolymerization of an acrylate functionalized triphenylene monomer. Some of the devices, based on ITO/Triphenylene/Alq3/Al showed brightness values up to 1000 cd/m2 and low turn on voltages from 4-5 V.

Paper Details

Date Published: 1 December 1997
PDF: 8 pages
Proc. SPIE 3148, Organic Light-Emitting Materials and Devices, (1 December 1997); doi: 10.1117/12.279330
Show Author Affiliations
Andreas Bacher, Univ. Bayreuth (Germany)
Christian H. Erdelen, Univ. Bayreuth (Germany)
Dietrich Haarer, Univ. Bayreuth (Germany)
Wolfgang Paulus, BASF AG (Germany)
Hans-Werner Schmidt, Univ. Bayreuth (Germany)

Published in SPIE Proceedings Vol. 3148:
Organic Light-Emitting Materials and Devices
Zakya H. Kafafi, Editor(s)

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