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Title: | Simple ratiometric push–pull with an ‘aggregation induced enhanced emission’ active pyrene derivative: a multifunctional and highly sensitive fluorescent sensor |
Authors: | Laskar, Inamur Rahaman |
Keywords: | Chemistry Fluorescent sensor Ratiometric push–pull |
Issue Date: | 2018 |
Publisher: | RSC |
Abstract: | A simple ratiometric push–pull and ‘aggregation-induced emission enhancement (AIEE)’ active pyrene based compound, 2-(pyren-1-yl)pyridine (L), was synthesized and characterized by 1H NMR, HRMS and SXRD. The synthesized compound was established as a highly selective and sensitive multi-functional sensor that exhibits a ratiometric fluorescent response, detecting picric acid, H+ and Al3+ [observed sensitivity: 56 nM (12.82 ppb) for picric acid; 2.4 nM (0.27 ppb) for trifluroacetic acid; 2.3 nM (0.86 ppb) for Al3+]. Both L and LH+ have shown emission tuning ability on varying their concentration in solution. Computational calculations (DFT and TD-DFT) have been correlated with the experimental spectroscopic properties. |
URI: | https://pubs.rsc.org/en/content/articlelanding/2018/nj/c7nj03964f http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/3119 |
Appears in Collections: | Department of Chemistry |
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