Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 222, Issue 1, Pages 47-51Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2011.04.031
Keywords
Naphthyridine; Donor-acceptor-donor; Bathochromic shift; Hypsochromic shift; Hg-sensing
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Funding
- DST [W.B. Government] [694 (sanc.)/ST/P/ST/6G-6/2007]
- CSIR, New Delhi
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A new 1,8-naphthyridine based di-olefinic chemosensor was designed, synthesized and its sensing behavior towards metal ions was investigated by UV-vis, fluorescence and H-1 NMR spectroscopic methods. A highly Hg2+-selective fluorescence enhancing property (>1.5-fold) in conjunction with a visible colorimetric change from yellow to purple has been observed, leading to a potential fabrication of both naked-eye and fluorescence detection of Hg2+. Our designed sensor of the donor-acceptor-donor system shows high selectivity towards mercury(II) ion over other competing metal ions. (C) 2011 Elsevier B.V. All rights reserved.
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