A family of oligo(p-phenylenevinylene)derivative aggregation-induced emission probes:Ultrasensitive,rapid,and anti-interfering fluorescent sensing of perchlorate via precise alkyl chain length modulation  

作　　者：Fangfang Xiao Yushu Li Jiguang Li Da Lei Guangfa Wang Tianshi Zhang Xiaoyun Hu Xincun Dou 

机构地区：[1]Xinjiang Key Laboratory of Explosives Safety Science,Xinjiang Technical Institute of Physics&Chemistry,Chinese Academy of Sciences,Urumqi,China [2]Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences,Beijing,China

出　　处：《Aggregate》2023年第2期183-192,共10页聚集体（英文）

基　　金：Natural Science Foundation of Xinjiang,Grant/Award Number:2022D01E03;West Light Foundation of the Chinese Academy of Sciences,Grant/Award Number:2021-XBQNXZ-023;National Natural Science Foundation of China,Grant/Award Numbers:52172168,22104152;Key Research Program of Frontier Sciences,CAS,。

摘　　要：The precise regulation of interactions provided by aggregation-induced emission(AIE)probes is of considerable significance for improving the sensing performance in the field of on-site detection.Here,a highly sensitive perchlorate detection probe was designed by precisely modulating the van der Waals interactions by adjusting the length of the alkyl chain.The optimized AIE probe demonstrated superior perchlorate detection performance owing to its strong van der Waals interactions with perchlorate,including a low detection limit(53.81 nM),rapid response(<5 s),and excellent specificity even in the presence of 16 interfering anions.In addition,a hydrogel-based device loaded with the probe was constructed to achieve ultrasensitive recognition of perchlorate particles with a detection limit as low as 15 fg under a fluorescence microscope.Moreover,the practicality of the probe was further verified by employing a sensing chip in a portable detector,and thus the probe has been proven to be highly promising for trace perchlorate monitoring in real scenarios.We expect the present study to be of great value for the efficient design of high-performance fluorescent probes.

关 键 词：aggregation-induced emission explosive detection fluorescent probe PERCHLORATE trace sensing 

分 类 号：O62[理学—有机化学]