Structural Diversity and Tunable Luminescent Properties of Zn(II) Metal–Organic Frameworks with Terephthalate and 4,7-Di(1,2,4-triazol-1-yl)-2,1,3-benzothiadiazole Linkers
Dmitry I. Pavlov, Alexey A. Ryadun, Vladimir P. Fedin, Xiaolin Yu* and Andrei S. Potapov*,
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引用次数: 0
Abstract
A series of new coordination polymers (CPs) [Zn(tr2btd)(bdc)]n (compound 1), {[Zn2(tr2btd)2(bdc)2]·MeCN}n (compound 2), {[Zn3(tr2btd)4(H2O)2(bdc)3]·H2O}n (compound 3), and [Zn(tr2btd)2(bdc)]n (compound 4) were prepared from the same starting materials under different reaction conditions. Compounds 1–3 demonstrated luminescent sensing properties toward Ga3+ cations with the limits of detection in a low micromolar range, 1.6, 6.1, and 1.8 μM, respectively. Careful comparison of the crystal structures of the four synthesized CPs suggests that the packing features and intermolecular interactions strongly influence the luminescent and sensing properties. The luminescence sensing response was attributed to the absorption enhancement upon the interaction of metal–organic framework with Ga3+ via the nitrogen atoms at positions 4 of 1,2,4-triazole rings.
期刊介绍：
The aim of Crystal Growth & Design is to stimulate crossfertilization of knowledge among scientists and engineers working in the fields of crystal growth, crystal engineering, and the industrial application of crystalline materials.
Crystal Growth & Design publishes theoretical and experimental studies of the physical, chemical, and biological phenomena and processes related to the design, growth, and application of crystalline materials. Synergistic approaches originating from different disciplines and technologies and integrating the fields of crystal growth, crystal engineering, intermolecular interactions, and industrial application are encouraged.
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