An Ultra-Sensitive Fluorescent Probe Based on Hybridized Local and Charge-Transfer Materials for Quantitative Detection of Propanol Isomers,Advanced Optical Materials

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An Ultra-Sensitive Fluorescent Probe Based on Hybridized Local and Charge-Transfer Materials for Quantitative Detection of Propanol Isomers
Advanced Optical Materials ( IF 8.0 ) Pub Date : 2023-03-08 , DOI: 10.1002/adom.202202757
Changjiang Zhou ₁ , Haichao Liu ₂ , Jianai Chen ₁ , Shitong Zhang ₂ , Yujie Dong ₁ , Bing Yang ₂ , Weijun Li ₁

Affiliation

Isopropanol has been widely applied in various fields as an important chemical solvent, which is produced by direct hydration of propylene accompanied with the byproduct of n-propanol. Herein, an ultra-sensitive fluorescent probe of TPA-9AC, based on a non-equivalent hybridized local and charge-transfer (HLCT) material, is designed and synthesized to quantitatively detect the percentage of n-propanol in propanol isomers. Owing to the stronger electron acceptor ability of n-propanol, the excited state of probe transfers from highly emissive HLCT state to non-emissive charge-transfer state, resulting in the substantial fluorescence quenching. The low limit of detection (LOD) is achieved as sensitive as 0.02% v/v of n-propanol in isopropanol. This contribution demonstrates a new approach to distinguish propanol isomers and an effective strategy for designing real-time fluorescent sensors with high performances.

中文翻译：

基于杂化局部和电荷转移材料的超灵敏荧光探针用于丙醇异构体的定量检测

异丙醇作为一种重要的化学溶剂被广泛应用于各个领域，它是由丙烯直接水合副产正丙醇而制得。在此，设计并合成了一种基于非等效杂交局部电荷转移（HLCT）材料的TPA-9AC超灵敏荧光探针，用于定量检测丙醇异构体中正丙醇的百分比。由于正丙醇较强的电子受体能力，探针的激发态从高发射HLCT态转变为非发射电荷转移态，导致荧光显着猝灭。检测下限 (LOD) 灵敏度达到 0.02% v/v of n-异丙醇中的丙醇。这一贡献展示了一种区分丙醇异构体的新方法和设计高性能实时荧光传感器的有效策略。

更新日期：2023-03-08

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