a thermotropic hexagonal columnar liquid crystalline mesophase [32] . Corannulenes have also been used as the core group in a dendrimer [12] or as coordinating ligand to metals [33] [34] [35] [36] [37] [38] [39] . Corannulenes with ethynyl groups are investigated for their potential use as blue emitters . http://en.wikipedia.org/wiki/Corannulene