Abstract
A novel nanosensor based on CdSe quantum dots (QDs) capped with 8-hydroxyqunoline (HQ) was developed for Al3+ ions determination in aqueous solutions. The method is based on the fluorescence enhancement of the HQ functionalized QDs in the presence of Al3+ ions, due to the strong interaction between Al3+ and HQ. Prepared nanosensor exhibited an acceptable selectivity and sensitivity for Al3+ ions in the presence of other metal ions. Plot of Log(I/I0) against Log[Al3+] shows a good linearity in the range of 0.02–3.0 mM, and the method could be used for detection of Al3+ ions concentration in aqueous solutions.
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The work was supported by research council of the University of Maragheh. Iran Science Elites Federation (ISEF) was also acknowledged.
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Eftekhari-Sis, B., Samadneshan, K. & Vahdati-Khajeh, S. Design and Synthesis of Nanosensor Based on CdSe Quantum Dots Functionalized with 8-Hydroxyquinoline: a Fluorescent Sensor for Detection of Al3+ in Aqueous Solution. J Fluoresc 28, 767–774 (2018). https://doi.org/10.1007/s10895-018-2238-z
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DOI: https://doi.org/10.1007/s10895-018-2238-z