Two cases of bipyridinium-based metal-organic frameworks: Syntheses, structures, photochromic behaviors

被引：14

作者：

Sun, Ya-Nan ^{[1
]}

Li, Li ^{[1
]}

Fu, Chen ^{[1
]}

Wang, Hai-Yu ^{[1
]}

Zhang, Hong ^{[1
]}

机构：

[1] Northeast Normal Univ, Dept Chem, Inst Polyoxometalate Chem, Changchun 130024, Jilin, Peoples R China

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2018年 / 96卷

基金：

中国国家自然科学基金;

关键词：

Zinc(II) complex; Cadmium(II) complex; Crystal structure; Photochromism; Decolorization; ELECTRON-TRANSFER; COORDINATION POLYMERS; FLUORESCENT PROPERTIES; VIOLOGEN; COMPLEXES; MOF; METHYLVIOLOGEN; CRYSTAL; REDUCTION; CHLORIDE;

D O I：

10.1016/j.inoche.2018.08.006

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two novel bipyridinium-based metal-organic frameworks Zn[(pbpy)(0.5)(m-BDC)Cl]center dot 1.5H(2)O(1) and Cd [(PbPY)(0.5)(m-BDC)Cl]center dot H2O(2)center dot(PbPycl(2) = 1,1'-[1,4 phenylenebis-(methylene)This(4,4' bipyridinium) - dichloride) have been synthesized and structurally characterized by single crystal X-ray crystallography. Both of them show 2D layered window structures. When they are irradiated by 300 W Xenon lamp, both of them exhibit photochromic behaviors which are attributed to the process of intermolecular electron transfer to generate pbpycl(2) free radicals. These processes have been demonstrated by UV-Vis absorption characterization analysis, electron spin resonance (ESR). The photoproduct of compound 1 is more stable than compound 2 in air. Photochromic mechanisms and the relationships between structures and properties have been discussed adequately.

引用

页码：119 / 123

页数：5

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