Abstract
Abstract Novel thermally convertible precursors of tetrabenzoporphyrin (TBP) were synthesized by tetramerization of the corresponding bicyclo[2.2.2]octadiene(BCOD)-fused pyrroles. These precursors showed high solubility and were converted into TBPs by heating at 180–330 °C depending on the structure of BCOD moieties. This strategy provided easy access to pure PtTBP from the precursor with high conversion temperature in a good yield. Organic field effect transistors based on TBP were fabricated by thermal conversion after spin-coating of the precursors.
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