Calix[4]arene Based Dual Fluorescent Sensor for Al3+ and S2O7 (2-)


Memon S., BHATTI A. A. , BHATTI A. A. , OCAK Ü. , OCAK M.

JOURNAL OF FLUORESCENCE, vol.26, no.5, pp.1591-1599, 2016 (Journal Indexed in SCI) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 26 Issue: 5
  • Publication Date: 2016
  • Doi Number: 10.1007/s10895-016-1843-y
  • Title of Journal : JOURNAL OF FLUORESCENCE
  • Page Numbers: pp.1591-1599

Abstract

Specific functionalized calix[4]arene based fluorescent chemosensor was synthesized for cations and anions binding efficiency examination. Receptor C4MA displayed strong affinity for Al(3+)and S2O7 (2-) with enhanced fluorescence intensity. The selective response of C4MA was investigated in the presence of different co-existing competing ions. The limit of detection (LOD) of Al(3+)and S2O7 (2-) was calculated as 2.8 x 10(-6) M and 2.6 x 10(-7) M respectively. Sensor C4MA forms (1:1) stoichiometric complex with both Al3+ and S2O7 (2-) and their binding constants were calculated as 12.1 x 10(4) and 8.3 x 10(3) respectively. Complexes were also characterized through FT-IR spectroscopy.