Intermolecular organisation of triphenylene­based discotic mesogens by interdigitation of alkyl chains

Self-organization of disc-like molecules: chemical aspects

“…TP derivatives with side chains bearing terminal groups such as azobenzene, 51 cyanobiphenyl, 52 carbazole, 53 ferrocene, 54 fullerene, 55 sugars, 56 crown ethers, 57 and mixed tails [58][59][60][61][62] are some recent examples prepared using above mentioned methodologies. Common routes to prepare TP derivatives are out lined in Scheme 6.…”

Fluorophore core-engineered supramolecular discotic columnar liquid crystals with tunable fluorescent behavior

“…S21, ESI †) suggested that some degree of alkyl shrinkage or intercolumnar interdigitation was necessary to induce various mesophases and space filling of the aliphatic chains around the core. 34,38,39 Owing to the same hydrogen-bonding characteristics of the benzoic acid A n couple with the various TIB homologues (Fig. 1), the dimensions of the assembled columns or the average intercolumnar distances should be independent of the TIB cores and instead vary with the length of the peripheral alkyl chains of the benzoic acids A n .…”

“…3c). 38,39 In contrast, the crowded bulky tolyl substituents surrounding the core plane of TTIB may exert a certain amount of steric repulsion, forcing the hydrogen-bonded alkyl chains to adopt a more stretched conformation (Fig. 3b) and thus diminish the interdigitation from neighboring columns (Fig.…”

Synthesis, Mesomorphism and Photoluminescence of a New Class of Anthracene-based Discotic Liquid Crystals

“…The construction of an efficient device depends on the structural organization as well as on the electronic structure of the molecules forming the device. In this context, columnar LC systems are advantageous as the columns can combine the properties of high charge carrier mobilities, self‐ordering and self‐healing . Till now, very few reports in the literature have focused on the investigations of anthracene mesogens.…”