1 December 1997 Triphenylenes: a new class of hole transporting material in organic light-emitting diodes
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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.
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Andreas Bacher, Andreas Bacher, Christian H. Erdelen, Christian H. Erdelen, Dietrich Haarer, Dietrich Haarer, Wolfgang Paulus, Wolfgang Paulus, Hans-Werner Schmidt, Hans-Werner Schmidt, "Triphenylenes: a new class of hole transporting material in organic light-emitting diodes", Proc. SPIE 3148, Organic Light-Emitting Materials and Devices, (1 December 1997); doi: 10.1117/12.279330; https://doi.org/10.1117/12.279330
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