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Aggregate 2024年第4期5卷 269-278页

作者： Jiajun Xu Meifen Huang Haijun Pang Zhehui Weng Guangzhi Hu Siman Zhang Qiuling Yang Qiong Wu Department of Chemical Science and Technology Kunming UniversityKunmingChina College of Physics Science and Technology Kunming UniversityKunmingChina The School of Material Science and Chemical Engineering Harbin University of Science and TechnologyHarbinChina Institute for Ecological Research and Pollution Control of Plateau Lakes Yunnan UniversityKunmingChina

J-aggregation and H-aggregation are identiﬁed as two classical models of function-ally oriented non-covalent interactions,and signiﬁcant attention has been drawn by ***,due to the scarcity of single-crystal examples of H-aggregation,a comprehensive understanding of the relationship between its stacking mode and optical behaviour has been *** recent studies,two polyaromatic Schiff base compounds,Cl-Salmphen and H-Salmphen,were successfully synthe-sized,and both were found to exhibit *** theﬁndings,H-Salmphen was shown to display typical C─H···πinteractions,characteristic of Aggregation-Induced Emission(AIE)active molecules,whereas its halogenated counterpart was identiﬁed as behaving similar to Aggregation-Caused Quenching(ACQ)active *** types of results suggest that identical intermolecular interactions can produce differing optical *** was shed,at least in part,on the for-mation mechanisms of H-type aggregates and their luminescence properties from these ***,the high optical signal-to-noise ratio inherent to H-aggregates was utilized for the exploration of water content *** an outcome,a high-performanceﬂuorescentﬁlter paper was developed,enabling easy real-time detection using a smartphone.

关键词： aggregation-caused quenching aggregation-induced emission enhanced C─H···πinteractions ﬂuores-cence sensor H-aggregation

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