Fabian Zechmeister (left) and Maximilian Raab (right) demonstrate the fluorescence of a perylene bisimide solution. Credit: Image courtesy of Vienna University of Technology, TU Vienna
Perylene bisimides are a heavily investigated and sought after class of organic pigments, since they show interesting dye properties. While these compounds are red pigments in the solid state, when dissolved, they generate bright yellowish-green solutions under UV irradiation. Aside their optical appeal; organic molecules that appear colored in daylight often also show intriguing electronic properties. Thus, organic dyes are promising lightweight materials for application as e.g. organic semiconductors, but also in for instance LCD displays or solar cells.
The laboratory of Dr. Miriam M...
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