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Fluorescent Recognition of Small Organic Molecules Based on Supramolecular Aggregation/Deaggregation of Planar Cu(II) Coordination Complex
Author(s) -
Hao Liang,
Zhang Tong,
Chang Ge,
Li Hui
Publication year - 2015
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.201400797
Subject(s) - chemistry , supramolecular chemistry , fluorescence , ligand (biochemistry) , molecule , photochemistry , solvent , coordination complex , conjugated system , supramolecular assembly , crystal structure , crystallography , metal , organic chemistry , polymer , receptor , biochemistry , physics , quantum mechanics
A Cu(II) coordination complex ( 1 ) with Schiff ligand derived from diaminomaleonitrile was synthesized and characterized, in which the ligand is rigid, planar and conjugated. The complex 1 displays an interesting fluorescent property relative to solvents which can be turned‐on by CH 2 Cl 2 and CHCl 3 solvent molecules. The mechanism of this selective fluorescence emission has been studied based on the crystal structure and the spectrum analysis. The tuning on and off fluorescence of complex 1 can be controlled by the process of supramolecular aggregation/deaggregation in different solvents.