title: Benzophenone based fluorophore for selective detection of Sn2+ion: Experimental and theoretical study.
abstract: Synthesis of novel benzophenone-based chemosensor is presented for the selective sensing of Sn2+ion. Screening of competitive metal ions was performed by competitive experiments. The specific cation recognition ability of chemosensor towards Sn2+was investigated by experimental (UV-visible, fluorescence spectroscopy,1H NMR,13C NMR, FTIR and HRMS) methods and further supported by Density Functional Theory study. The stoichiometric binding ratio and binding constant (Ka) for complex is found to be 1:1 and 1.50×104, respectively. The detection limit of Sn2+towards chemosensor was found to be 0.3898ppb. Specific selectivity and superiority of chemosensor over another recently reported chemosensor is presented.
authors.affiliation: Department of Intermediate and Dyestuff Technology, Institute of Chemical Technology (Formerly UDCT), N. P. Marg, Matunga, Mumbai 400 019, Maharashtra, India.
authors.forename: Amol G
authors.initials: AG
authors.lastname: Jadhav
authors.affiliation: Department of Intermediate and Dyestuff Technology, Institute of Chemical Technology (Formerly UDCT), N. P. Marg, Matunga, Mumbai 400 019, Maharashtra, India.
authors.forename: Suvidha S
authors.initials: SS
authors.lastname: Shinde
authors.affiliation: Department of Intermediate and Dyestuff Technology, Institute of Chemical Technology (Formerly UDCT), N. P. Marg, Matunga, Mumbai 400 019, Maharashtra, India.
authors.forename: Sandip K
authors.initials: SK
authors.lastname: Lanke
authors.affiliation: Department of Intermediate and Dyestuff Technology, Institute of Chemical Technology (Formerly UDCT), N. P. Marg, Matunga, Mumbai 400 019, Maharashtra, India. Electronic address: n.sekar@ictmumbai.edu.in.
authors.forename: Nagaiyan
authors.initials: N
authors.lastname: Sekar
keywords: Benzophenone; Chemosensor; ESIPT; Schiff base; Sn(2+)