Abstract
A glass-forming, low molecular weight diaminobiphenyl compound with incorporated azo groups was synthesized. It exhibits a glass transition temperature well above room temperature (101 °C), which is explained in terms of molecular structure. Holographic birefringence gratings as well as surface gratings were produced in thin spin-coated films under intensity and polarization holography conditions. The hole transport property was demonstrated by implementing the material in organic light-emitting diodes. If the special properties of this material are combined, applications such as organic laser diodes with integrated optical feedback gratings seem to be realizable.
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