This study shows that a newly designed molecule enhances optical properties via gelation in various solvents, indicating that molecular structure significantly impacts emission behavior.
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.
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Borde et al. (2025) studied this question.
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