A highly selective, fast-response and fluorescent turn on chemosensor for the detection of Cu2+ ions and its potential applications

• Published in: Journal of photochemistry and photobiology. A, Chemistry. Vol. 357; pp. 149 - 155
• Main Authors: Wang, Qingming, Wu, Shanshan, Tan, Yingzi, Yan, Yulin, Guo, Lei, Tang, Xinhui
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 15.04.2018
• Subjects: Cu2; Fluorescence; Luminescence lifetime; Photo-printing; Probe; Quantum yields; Fluorescence; Cu2; Quantum yields; Luminescence lifetime; Probe; Photo-printing
• ISSN: 1010-6030; 1873-2666
• DOI: 10.1016/j.jphotochem.2018.02.034

[Display omitted] Fluorescein based “turn-on” chemodosimeter for monitoring Cu2+ in aqueous media and applications in the area of sample monitoring and photo-printing. •BDA is highly selective and sensitive towards Cu2+ in aqueous solution phase.•BDA displayed very acceptable LOD.•BDA is financial and can be reversible for 3–4 times without losing much efficiency.•Applications in the area of sample monitoring and photo-printing. In present report, a new BDA for Cu2+ has been disclosed for the first time. The presence of Cu2+ caused an obvious fluorescence enhancement at 407 nm upon excitation at 360 nm, which could be distinguished by the naked eye under a UV lamp. It was found to have acceptable detection limits (0.12 μM), high selectivity and reversibility/reusability. The photoluminescence measurement indicates that BDA with Cu2+ presence, showed very strong blue emission bands with CIE chromaticity coordinates (0.1652, 0.0723). Besides, the designed probe has shown potential applications in the area of sample monitoring, photo-printing.