Journal
JOURNAL OF LUMINESCENCE
Volume 186, Issue -, Pages 48-52Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jlumin.2016.12.056
Keywords
Chemosensor; Naphthalimide; Fluorescence; Aluminum; Colorimetric
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Funding
- Postdoctoral Scientific Research Developmental Fund of Heilongjiang Province [LBH-Q14023]
- State Scholarship Fund of China Scholar Council [201408230115]
- Scientific Research Fund of Heilongjiang Provincial Education Department [12531033, 12531044, 1254G066]
- Natural Science Foundation of Heilongjiang Province of China [B201419]
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A new schiff-base receptor L based on naphthalimide had been investigated as a selective and sensitive chemosensor for Al3+ in CH3OH. Upon addition of Al3+, L showed a 39-fold enhancement at 508 nm with colorimetric and fluorometric dual-signaling response which might be induced by the integration of ICT and CHEF. A 1:1 stoichiometry for the L-Al3+ complex was formed with an association constant of 1.62 x 10(4) M-1, and the limit of detection for Al3+ was determined as 7.4 nM. In addition, the potential utility of L in sensing Al3+ was also examined in real water samples. (C) 2017 Elsevier B.V. All rights reserved.
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