Facile synthesis of new coumarin-based colorimetric and fluorescent chemosensors: Highly efficient and selective detection of Pd²⁺ in aqueous solutions

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• 作者：Li Yang ; ^{yanglichem628@126.com}Author Vitae ; Cheng WangAuthor Vitae ; Guanjun Chang ; ^{gjchang@mail.ustc.edu.cn}Author Vitae ; Xianyan RenAuthor Vitae
• 关键词：Colorimetric ; Fluorescent ; Pd2+ ; Coumarin ; Chemosensor
• 刊名：Sensors and Actuators B: Chemical
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：240
• 期：Complete
• 页码：212-219
• 全文大小：1736 K
• 卷排序：240

文摘

A new type of coumarin derivative has been designed and easily prepared. The fluorescence sensor exhibits excellent sensitivity and selectivity for Pd2+. The sensing process is based on the ICT fluorescence quenching mechanism. The detection can also be performed in a visualized manner.