Donor-Substituted 1,3,5-Triazines as Host Materials for Blue Phosphorescent Organic Light-Emitting Diodes

Donor-Substituted 1,3,5-Triazines as Host Materials for Blue Phosphorescent Organic Light-Emitting Diodes

A series of new donor-substituted 1,3,5-triazines (TRZ 1−7) has been prepared by nucleophilic substitution of cyanuric chloride with carbazole, 3-methylcarbazole, phenol, and 3,5-dimethylphenol. These s-triazines have been investigated as host material for blue phosphorescent light-emitting diodes (...

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Veröffentlicht in:Chemistry of materials 2010-04, Vol.22 (7), p.2403-2410
Hauptverfasser: Rothmann, Michael M, Haneder, Stephan, Da Como, Enrico, Lennartz, Christian, Schildknecht, Christian, Strohriegl, Peter
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Optical Materials (including Non-Linear Optic, Photonic, and Optoelectronic Materials)
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container_end_page 2410
container_issue 7
container_start_page 2403
container_title Chemistry of materials
container_volume 22
creator Rothmann, Michael M
Haneder, Stephan
Da Como, Enrico
Lennartz, Christian
Schildknecht, Christian
Strohriegl, Peter
description A series of new donor-substituted 1,3,5-triazines (TRZ 1−7) has been prepared by nucleophilic substitution of cyanuric chloride with carbazole, 3-methylcarbazole, phenol, and 3,5-dimethylphenol. These s-triazines have been investigated as host material for blue phosphorescent light-emitting diodes (OLEDs). All triazine based hosts were characterized regarding their optical and thermal properties. Different substitution patterns resulted in high glass-transition temperatures (T g) of up to 170 °C and triplet energies (ΔE(T1−S0)) of up to 2.96 eV. The application as host material for the blue phosphor bis(4,6-difluorophenylpyridinato-N,C2)picolinato-iridium(III) (FIrpic) yielded maximum current efficiencies up to 21 cd/A.
doi_str_mv 10.1021/cm9033879
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title Donor-Substituted 1,3,5-Triazines as Host Materials for Blue Phosphorescent Organic Light-Emitting Diodes
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