Structurally Twisted Supramolecular Organogel Material with Prominent Aggregation-Induced Emission Enhancement.

Authors

Krishna Shivajirao Borde, Shih-Sheng Sun

Published in

Chemistry, an Asian journal. Pages e70376. Oct 13, 2025. Epub Oct 13, 2025.

Abstract

A novel organic molecule, KB-2, was designed and synthesized by incorporating pyridyl dicarboxamide (PDA) bearing dodecoxyl side chains into a twisted chromophoric 4,7-dianthracenylbenzothiadiazole core. For comparison, a model compound, KB-1, lacking the PDA moieties, was also prepared. KB-2 demonstrated excellent gelation ability, forming stable organogels in a variety of organic solvents, consistent with the expected contribution of PDA groups to supramolecular self-assembly. A comprehensive investigation of the self-assembly, gelation behavior, and optical properties of KB-2 was conducted in both solution and aggregated states. Both KB-1 and KB-2 exhibited pronounced aggregation-induced emission enhancement (AIEE), confirming the critical role of the twisted core in modulating their photophysical properties. The aggregation characteristics of both KB-1 and KB-2 were systematically studied to elucidate structure-property relationships, highlighting how molecular design influences emission behavior, aggregation modes, and gelation capability.

PMID:
41082644
Bibliographic data and abstract were imported from PubMed on 14 Oct 2025.

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