Coumarin Based Highly Selective "off-on-off" Type Novel Fluorescent Sensor for Cu2+ and S2- in Aqueous Solution

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Karuk Elmas A. N., Ozen F., Koran K., Yilmaz I., Gorgulu A. O., Erdemir S.

JOURNAL OF FLUORESCENCE, cilt.27, sa.2, ss.463-471, 2017 (SCI-Expanded) identifier identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 27 Sayı: 2
  • Basım Tarihi: 2017
  • Doi Numarası: 10.1007/s10895-016-1972-3
  • Dergi Adı: JOURNAL OF FLUORESCENCE
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.463-471
  • Anahtar Kelimeler: Coumarin, Fluorescent, Sensor, Copper, Sulfide, ELECTROCHEMICAL SENSOR, SULFIDE ANION, LIVING CELLS, COPPER-ION, CHEMOSENSOR, CHEMODOSIMETER, CONJUGATE, MOIETIES, MEDIA, PROBE
  • Akdeniz Üniversitesi Adresli: Hayır

Özet

Solvent free synthesis of 6,7-dihydroxy-3-(3-chlorophenyl) coumarin (CFHC) was designed and obtained by the interaction of 2-(2,4,5-trimethoxyphenyl)-1-(3-chlorophenyl)acrylonitrile with pyridinium hydrochloride in the presence of silica gel by using microwave irradiation. The characterization of CFHC was confirmed by FT-IR, H-1, C-13, C-13-APT and 2D HETCOR spectroscopy methods. The optical behavior of CFHC towards metal ions was investigated by UV-visible and fluorescence spectroscopy. CFHC showed "on-off" type fluorescence response towards Cu2+ with high selectivity in aqueous solution (CH3CN/H2O, 9/1, v/v). Once binding with Cu2+, CFHC-Cu2+ complex also displayed high selectivity for sulfide, resulting in "off-on" type sensing of sulfide anion.