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Homochiral metalated tetraphenylethylene-based organic cages: Unusual chiral and luminescent behavior depending on thermodynamic and kinetic aggregation

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摘要 Chirality and luminescence are important for both chemistry and biology,which are highly influenced by aggregation.In this work,a pair of metalated tetraphenylethylene(TPE)-based organic cage enantiomers are reported,which fea-ture a quadrangular prismatic cage structure.These homochiral cages exhibit concentration-dependent chiral behaviors alongside a propensity for thermodynamic aggregation.Aggregation caused quench effect is found for these cages accom-panying the increasing of the concentrations.When a poor solvent is added to produce a kinetical aggregation,the aggregation-annihilation circular dichroism and aggregation-induced emission behaviors are observed for these enantiomeric cages.By comparing these observations with the photophysical behaviors of a pair of structurally similar organic molecular enantiomers,the unique photophysical proper-ties observed are intricately linked to the metal-integrated TPE-functionalized cage structures.
出处 《Aggregate》 EI CAS 2024年第5期423-432,共10页 聚集体(英文)
基金 National Natural Science Foundation of China,Grant/Award Numbers:22375075,22171106,21731002,21975104,22301103,22201101 Guangdong Major Project of Basic and Applied Research,Grant/Award Number:2019B030302009 Natural Science Foundation of Guangdong Province,Grant/Award Number:2022A1515011937 Fundamental Research Funds for the Central Universities,Grant/Award Number:21622103 China Postdoctoral Science Foundation,Grant/Award Numbers:2022M711327,2023T160269 Guangdong Provincial Key Laboratory of Speed Capability Research,Grant/Award Number:2023B1212010009 Jinan University。
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