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BINOL-based differential chromo-fluorescent sensor and its application for miniaturization of 1-2/4-2 bit encoders and decoders

Abstract

BINOL (1,1'-Bi-2-naphthol) based probe 1 having diamide group has been synthesized and investigated for photophysical behavior towards various cations and anions. The probe 1 has been used for estimation of Al3+and Cu2+ions as compared to other metal ions and signalled the binding event through formation of new absorption bands at 415 and 430 nm. Differential emission bands are formed in the presence of Al3+ at 515 nm and Zn2+ at 485 nm while quenching is observed in case of Cu2+ ion. The probe 1 shows selective estimation for CN- ion among all other anions by forming new absorption band at 395 nm and new emission band at 495 nm with lowest detection limit to be 2 M. Based on these results, anion/cation as well as cation/cation 2-to-1 encoder and 1-to-2 decoder have been formed. Moreover, 4-to-2 enocder has also been established by using various cations as inputs.

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Publication details

The article was received on 23 Sep 2017, accepted on 06 Jan 2018 and first published on 08 Jan 2018


Article type: Paper
DOI: 10.1039/C7NJ03653A
Citation: New J. Chem., 2018, Accepted Manuscript
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    BINOL-based differential chromo-fluorescent sensor and its application for miniaturization of 1-2/4-2 bit encoders and decoders

    A. S. Gupta, G. Sharma, K. D. Paul and V. Luxami, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C7NJ03653A

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