Prime focus of the research of the Bunz group is the synthesis, fabrication and characterization of acenes, azaacenes and azaarenes as hole and electron transporting materials for application in electronic devices such as thin-film transistors or organic light-emitting diodes.
One major aim is to improve and develop palladium-catalysis-based coupling reactions as versatile tools for azaacene synthesis. Additionally, the Bunz group seeks to elucidate and understand the relationship between the hierarchal structure of a material and device performance. Among the studied molecular systems are the two well-known pentacene derivatives 6,13 bis(triisopropylsilylethynyl)-pentacene (TIPSPen) and 6,13-bis(triisopropylsilylethynyl)-5,7,12,14-tetraazapentacene (TIPSTAP). Synthesis of conjugated microporous polymers (CMPs) based on tetrakis(4?ethynylphenyl)stannane and investigation of their structure and thermal properties also belong to the research program. Here the plan is to make super-porous materials with novel catalytic, sensory and emissive properties.
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