A chiral column core surrounded by peripheral emitting moieties: a novel strategy for constructing columnar liquid crystals with circularly polarized luminescence

Abstract

The chiral transfer from peripheral chiral groups to fluorescence achiral core had been confirmed as effective strategy for preparing CPL liquid crystalline materials. In this work, we introduced a novel...

Cyclometalated Platinum(II) Metallomesogens Based on Half-Disc-Shaped β-Diketonate Ligands with Hexacatenar: Crystal Structures, Mesophase Properties, and Semiconductor Devices

“…Pt-B6 displays the typical textures of a hexagonal columnar phase, in which a dendritic texture and rectilinear defects were clearly found (Figure ). Unlike Pt-B6 , both Pt-A12 and Pt-B12 complexes show distinct fan-shaped textures (Figure ), which are commonly suggestive of the hexagonal columnar mesophase in the literature. ,− …”

Helical columnar phase of mesogen-jacketed liquid crystal polymers for efficient circularly polarized luminescence

“…The CPL was expected to succeed through the helical arrangement of chromophore side groups. 41,42 However, despite the samples forming a columnar phase structure and the chiral chromophore exhibiting clustering-triggered emission (CTE) behavior, they showed no CPL signal, indicating that the helical columnar phase structure was not formed. This observation prompted us to investigate the mechanism of the formation of the helical columnar phase.…”