Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 222, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2019.117209
Keywords
Bis(salamo)-type fluorescent probe; Recognition mechanism; Theoretical calculation; Hirshfeld surface analysis; Relay recognition
Categories
Funding
- National Natural Science Foundation of China [21761018]
- Science and Technology Program of Gansu Province [18YF1GA054]
- Program for Excellent Team of Scientific Research in Lanzhou Jiaotong University [201706]
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A new naphthalenediol-based bis(salamo)-type fluorescent probe H4L for Zn2+ and CN-was reported. Probe H4L showed a highly selective fluorescence enhancement toward Zn2+ over other metal ions including Cd2+, and obtained the L-Zn2+ complex can only detect CN- in various anions. Their recognition mechanisms were explained by Job plots, fluorescent and UV-vis titrations, and theoretical calculations. The L-Zn2+ complex has been synthesized and structurally characterized using Hirshfeld surface analysis, elemental analyses, IR, UV-Vis and fluorescent spectra. Additionally, the relay probe with the wide adaptability of pH range and excellent stability showed highly selectivity for CN- recognition. (C) 2019 Elsevier B.V. All rights reserved.
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