Abstract
A short and efficient synthesis leading to a new helically chiral heptacyclic system, containing a carbazole unit, was achieved via a Knoevenagel condensation–photocyclization strategy. The optical properties of the carbazole-based material were investigated by UV–vis absorption and photoluminescence spectroscopy and an emission in the visible region was observed. From the cyclic voltammetry analysis, the electrochemical band gap of the target organic material was estimated to be 2.38eV indicating that it might be a good candidate for electron-injection hole-blocking layers in organic light-emitting diodes.
Published Version
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