Abstract
Three new coordination complexes (HNU-40, 41 and 42) were synthesized by using mixed ligand strategy, which exhibit coordinated diversities and distinct dimensions. The structure of HNU-40 is the closed loop with the sized of 7.4 Å × 7.9 Å. HNU-41 displays a zig-zag one-dimensional chain structure, and the coordination mode of Zn2+ ions in the adjacent two chains is different. While, HNU-42 features a two-dimensional interpenetrating structure which are based on the hexagonal net. Three complexes behaved effective detection of nitrobenzene with good selectivity, anti-interference and circulation. In addition, the mechanism of fluorescence quenching is also discussed.
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