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首页> 外文期刊>Crystal growth & design >Lanthanide-Based Coordination Polymers for the Size-Selective Detection of Nitroaromatics
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Lanthanide-Based Coordination Polymers for the Size-Selective Detection of Nitroaromatics

机译：基于镧系元的配位聚合物，用于硝基甲族的尺寸选择性检测

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摘要

Lanthanide coordination polymers (LnCPs), [Eu(HL)(3)(CH3OH)(2)](n) (1) and [Tb(HL)(3)(CH3OH)(H2O)]center dot H2O (2) (H2L = 3-(picolinamido)benzoic acid)), have been synthesized and characterized. Single crystal analyses of both LnCPs display that HL ligands not only coordinate to Ln ions but also act as the bridge between them generating one-dimensional (ID) chains. Such ID chains further pack into three-dimensional (3D) architectures by the mediation.of H-bonding interactions. Both LnCPs offer strategically placed exposed Lewis basic sites, which potentially interact with the electron-deficient nitroaromatics, whereas H-bonded 3D architecture having hydrophobic channels allows their facile inclusion within the, network. A notable feature is the size-dependent sensing of nitroaromatics potentially governed by the packing of 1D chains into a 3D architecture. Both LnCPs act as the fluorescent sensor for quick, sensitive, and selective detection of nitrobenzene not only in solution but also in the vapor phase suggesting potential applications in the sensing devices for the detection of nitroaromatics.
机译：镧系元素配位聚合物（LNCPS），[Eu（H1）（3）（CH 3 OH）（2）]（N）（1）和[TB（HL）（3）（3）（H2O）]中心点H2O（2） （H2L = 3-（富洛氨基胺）苯甲酸）已被合成和表征。两个LNCPS的单晶分析显示HL配体不仅坐标到LN离子，而且还可作为它们之间产生一维（ID）链之间的桥。这些ID链通过调解进一步包装成三维（3D）架构。H键合相互作用。 LNCPS两者都提供策略性地放置暴露的lewis基本位点，其可能与电子缺陷的硝基甲骨，而具有疏水通道的H键合3D架构允许其在网络内的容纳夹杂物。一个值得注意的特征是由1D链的包装到3D架构中的硝基甲族的尺寸依赖性感测。 S1CPS均用作荧光传感器，用于快速，敏感和选择性地检测硝基苯，而且在溶液中也是在溶液中的暗位暗表中的潜在应用，以检测硝基甲酰基。

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