title: A Coumarin-Based Luminescent Chemosensor for Recognition of Cu2+and its In-Situ Complex for CN-Sensing via Cu2+Displacement Approach.
abstract: A new coumarin based chemosensor has been developed for selective fluorescent recognition of Cu2+in MeOH/H2O (4:1, v/v at pH = 7.2 aqueous solution) medium with 1:1 binding stoichiometry. The in-situ prepared Cu2+complex displays high selectivity towards CN-via Cu2+displacement approach with detection limit in the micro molar range. Moreover, in presence of Cu2+, the receptor exhibits reversible emission change with EDTA and thus offers an interesting property of molecular 'IMPLICATION' logic gate with Cu2+and EDTA as chemical inputs.
authors.affiliation: Department of Environmental Science, University of Kalyani, Kalyani, Nadia, West Bengal, 741235, India. somam580@gmail.com.
authors.forename: Soma
authors.initials: S
authors.lastname: Mukherjee
authors.affiliation: Department of Environmental Science, University of Kalyani, Kalyani, Nadia, West Bengal, 741235, India.
authors.forename: Shrabani
authors.initials: S
authors.lastname: Talukder
keywords: CN−; Chemosensor; Coumarin; Cu2+; Logic gate