Light absorption and hole-transport properties of copper corroles: from aggregates to a liquid crystal mesophase

摘要

The synthesis of the corroLe-based Liquid crystaL phase CorLC is described together with its fuLL characterization using a combination of PoLarised OpticaL Microscopy (DOM), ThermoGravimetric AnaLysis (TGA), DifferentiaL Scanning CaLorimetry (DSC) measurements and SmaLL-AngLe X-Ray Diffraction (SA-XRD), which shows that CorLC has a hexagonaL coLumnar organization at room temperature. The Light absorption and hoLe-transport properties of the mesophase CorLC are compared with those featured by assembLies of its parent meso-triaryL (Cod) and per-aryL (Cor2) derivatives. J-Aggregates are repLaced by H-aggregates when the intermoLecuLar distance is increased by a higher peripheraL steric hindrance producing Lower hoLe-transport mobiLities.