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首页> 外文期刊>Crystal growth & design >A highly symmetric metal-organic framework based on a propeller-like ru-organic metalloligand for photocatalysis and explosives detection
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A highly symmetric metal-organic framework based on a propeller-like ru-organic metalloligand for photocatalysis and explosives detection

机译：基于螺旋桨状钌有机金属配体的高度对称金属有机骨架，用于光催化和爆炸物检测

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摘要

Ru(H_2dcbpy)_3 ~(2+), one of the Ru(bpy) _3 ~(2+) (dcbpy = 2,2'-bipyridine-4,4'-dicarboxylic acid, bpy = 2,2'-bipyridine) derivatves, has been used as a propeller-like photoactive metalloligand to coordinate with indium(III) ions to form a highly symmetric metal-organic framework [InRu(dcbpy)_3] [(CH_3)_2NH_2]·6H_2O (1), and the cubic microcrystals of 1 have been acquired through modified procedures. Compound 1 manifests broad visible light absorption band and strong red light emission with long decay lifetime, both of which are originated from the metal-to-ligand charge transfer of the Ru(dcbpy)3 4- metalloligands. Because of the highly light-harvesting and strong redox nature of the Ru(dcbpy)_3 ~(2+) units in 1, its photocatalysis activities were determined by visible light-induced photodegradation of methyl orange experiments. The results indicate that 1 can be a stable and good visible-light driving heterogeneous photocatalyst. Meanwhile, the sensing properties of 1 were also evaluated, and the result shows that 1 can selectively detect the nitro explosives molecules.
机译：Ru（H_2dcbpy）_3〜（2+），其中Ru（bpy）_3〜（2+）（dcbpy = 2,2'-联吡啶-4,4'-二羧酸，bpy = 2,2'-联吡啶）衍生物，已被用作螺旋桨状光敏金属配体，与铟（III）离子配位形成高度对称的金属有机骨架[InRu（dcbpy）_3] [（CH_3）_2NH_2]·6H_2O（1）， 1的立方微晶已通过改良程序获得。化合物1表现出较宽的可见光吸收带和强烈的红色光发射，具有较长的衰变寿命，这两者均源自Ru（dcbpy）3 4-金属配体的金属到配体的电荷转移。由于Ru（dcbpy）_3〜（2+）单元1具有高度的光吸收性和强的氧化还原性质，其光催化活性由可见光诱导的甲基橙实验降解确定。结果表明1可以是稳定且良好的可见光驱动的非均相光催化剂。同时，还对1的感测性能进行了评估，结果表明1可以选择性地检测硝基炸药分子。

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