Solid-state fluorescent switch based on the intercoversion of J-aggregation and dimer and aggregation pattern-dependent fluorescence colorimetric sensing of GSH/Zn2+/Cd2+
作者:Na-Na Li、Ning-Ning Shi、Dong Yang、Rui-Xue Wu、Cun-Gang Xu、Bin Zhu、Feng Shao、Xia Zhang、Shuang-Yu Bi、Yu-Hua Fan
DOI:10.1016/j.molliq.2021.116946
日期:2021.11
change to TP-N. TP-A and TP-N exhibited aggregation-induced emission (AIE) in solid state due to the J-aggregation and dimer formation, respectively. And the interconversion of the J-aggregation and dimer by a external TEA/AcOH vapor stimuli successfully and repeatedly realized switching of yellow/green luminescence. In addition, TP-A and TP-N showed similar AIE effect both in aqueous solution and in solid
基于邻苯二甲酸和乙酸 (AcOH) 溶液中的 2-肼基苯并噻唑,开发了一种酞嗪三酮衍生物,2-(苯并 [d] 噻唑-2-基)-4-羟基酞嗪-1 (2H)-一水合物 ( TP)和得到相应的晶体TP-A。的TP-A通过与三乙胺(TEA)蒸气发烟表现出比色荧光响应从黄色变为绿色,导致晶体结构变化对TP-N 。TP-A和TP-N由于 J 聚集和二聚体形成,分别在固态下表现出聚集诱导发射(AIE)。并且通过外部TEA/AcOH蒸气刺激,J-聚集体和二聚体的相互转化成功且反复地实现了黄/绿发光的切换。此外,TP-A和TP-N在水溶液和固态下均表现出相似的AIE效应,在100%水溶液中表现出不同的传感行为。具有优异选择性和灵敏度的TP-A可用作荧光比色传感器来区分识别Zn 2+和Cd 2+。TP-N可以进一步荧光比色传感谷胱甘肽(GSH)。不同的聚集方式给予Zn 2+ / Cd 2+不同的机会,而GSH