Exploiting the INHIBIT-ESIPT mechanism for the design of fluorescent chemosensor with a large blue-shift in emission

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• 作者：Gargi Dhaka ; Navneet Kaur ; ^{neet_chem@yahoo.co.in} ; ^{neet_chem@pu.ac.in} ; Jasvinder Singh
• 关键词：Benzothiazole ; ESIPT ; Anion sensing ; Zn2+ sensor
• 刊名：Journal of Photochemistry and Photobiology A: Chemistry
• 出版年：2017
• 出版时间：15 February 2017
• 年：2017
• 卷：335
• 期：Complete
• 页码：174-181
• 全文大小：2071 K
• 卷排序：335

文摘

Benzothiazole based sulfonamide possessing chemosensopr for Zn2+, F−, AcO− and H2PO4− ions. Anions addition resulted in formation of new band at longer wavelength (Δl = 54 nm) in UV–vis spectra. Zn2+ and anions addition caused substantial blue shift (Δλ = 83 nm) along with fluorescent enhancement in fluorescence spectra. Inhibition of ESIPT responsible for absorption and fluorescence changes.