Study on synthesis and fluorescence property of rhodamine-naphthalene conjugate.

Spectrochim Acta A Mol Biomol Spectrosc

College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People's Republic of China. Electronic address:

Published: March 2020

AI Article Synopsis

  • A new ligand (HL) made up of 2-methyl quinoline-4-carboxylic acid, rhodamine, and naphthalene was created for detecting aluminum.
  • This ligand works as a ratiometric fluorescent sensor by using fluorescence resonance energy transfer (FRET) between naphthalimide and rhodamine.
  • When aluminum is added, there is a noticeable increase in fluorescence at 550 nm, while the emission at 524 nm decreases significantly.

Article Abstract

In this study, a novel ligand (HL) consisting of 2-methyl quinoline-4-carboxylic acid, rhodamine and naphthalene moiety, was designed and synthesized, it could be developed a ratiometric fluorescent sensor for selective detection of Al via fluorescence resonance energy transfer (FRET) from naphthalimide moiety to rhodamine moiety. The addition of Al trigger the significant fluorescence enhancement of HL at 550 nm at the expense of the fluorescent emission of HL centered at 524 nm.

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Source
http://dx.doi.org/10.1016/j.saa.2019.117868DOI Listing

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