Structural variation of transition metal–organic frameworks using deep eutectic solvents with different hydrogen bond donors

2019 ◽  
Vol 48 (27) ◽  
pp. 10199-10209 ◽  
Author(s):  
Ming-Yu Zhao ◽  
Jian-Nan Zhu ◽  
Peng Li ◽  
Wei Li ◽  
Ting Cai ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Transition Metal ◽  
Structural Variation ◽  
Metal Organic Frameworks ◽  
Three Dimensional ◽  
Deep Eutectic Solvents ◽  
One Dimensional ◽  
Metal Organic ◽  
Hydrogen Bond Donors

Seven transition metal–organic frameworks with structures ranging from one-dimensional chains to three-dimensional networks have been synthesized in deep eutectic solvents.

Accurate tuning of rare earth metal–organic frameworks with unprecedented topology for white-light emission

2020 ◽  
Vol 8 (4) ◽  
pp. 1374-1379 ◽  
Author(s):  
Yutong Wang ◽  
Kai Zhang ◽  
Xiaokang Wang ◽  
Xuelian Xin ◽  
Xiurong Zhang ◽  
...  
Keyword(s):  
White Light ◽  
Light Emission ◽  
Metal Organic Frameworks ◽  
Three Dimensional ◽  
Earth Metal ◽  
White Light Emission ◽  
One Dimensional ◽  
1D Chain ◽  
Secondary Building Units ◽  
Metal Organic

An unprecedented three-dimensional (3D) (3,4,5)-czkf topological framework (UPC-38) with one-dimensional (1D) chain secondary building units exhibits strong white light emission.

The crystal structure and photocatalytic properties of a three-dimensional cadmium(II) metal–organic framework: poly[bis(μ3-benzene-1,2-dicarboxylato)[μ2-1,4-bis(pyridin-3-ylmethoxy)benzene]dicadmium(II)]

2016 ◽  
Vol 72 (3) ◽  
pp. 174-178 ◽  
Author(s):  
Cai-Xia Yu ◽  
Yan-Ping Gao ◽  
Xiao-Qing Cui ◽  
Meng-Jiao Guo ◽  
Lei-Lei Liu
Keyword(s):  
Organic Contaminants ◽  
Metal Organic Framework ◽  
Metal Organic Frameworks ◽  
Three Dimensional ◽  
Green Technology ◽  
Coordination Geometry ◽  
Asymmetric Unit ◽  
One Dimensional ◽  
Dimensional Network ◽  
Metal Organic

Photocatalysis is a green technology for the treatment of all kinds of contaminants and has advantages over other treatment methods. Recently, much effort has been devoted to developing new photocatalytic materials based on metal–organic frameworks for use in the degradation of many kinds of organic contaminants. With the aim of searching for more effective photocatalysts, the title three-dimensional coordination polymer, [Cd2(C8H4O4)2(C18H16N2O2)]n, was prepared. The asymmetric unit contains one CdIIcation, one benzene-1,2-dicarboxylate anion (denotedL2−) and half of a centrosymmetric 1,4-bis(pyridin-3-ylmethoxy)benzene ligand (denoted bpmb). Each CdIIcentre is five-coordinated by four carboxylate O atoms from twoL2−ligands and by one N atom from a bpmb ligand, forming a disordered pentagonal pyramidal coordination geometry. The CdIIcentres are interlinked byL2−ligands to form a one-dimensional [Cd2L2]nchain. Adjacent chains are further connected by bpmb linkers, giving rise to a two-dimensional network, and these networks are pillared by bpmb to afford a three-dimensional framework with a 33.42.63.71.81topology. Each grid in the framework has large channels which are filled mainly by the two other equivalent frameworks to form a threefold interpenetrating net. The compound exhibits relatively good photocatalytic activity towards the degradation of methylene blue in aqueous solution under UV irradiation.

Two new NiII and ZnII metal–organic frameworks of glutarate and 1,4-bis[(2-methyl-1H-imidazol-1-yl)methyl]benzene ligands: syntheses, structures and luminescence sensing properties

2020 ◽  
Vol 76 (2) ◽  
pp. 148-158
Author(s):  
Fang-Hua Zhao ◽  
Zhong-Lin Li ◽  
Shu-Fang Zhang ◽  
Jian-Hui Han ◽  
Mei Zhang ◽  
...  
Keyword(s):  
Metal Organic Frameworks ◽  
Three Dimensional ◽  
Two Dimensional ◽  
X Ray Diffraction ◽  
One Dimensional ◽  
X Ray ◽  
Vis Spectroscopy ◽  
Metal Organic ◽  
3D Framework ◽  
Methyl Benzene

Two new metal–organic frameworks (MOFs), namely, three-dimensional poly[diaquabis{μ2-1,4-bis[(2-methyl-1H-imidazol-1-yl)methyl]benzene}bis(μ2-glutarato)dinickel(II)] monohydrate], {[Ni2(C5H6O4)2(C16H18N4)2(H2O)2]·H2O} n or {[Ni2(Glu)2(1,4-mbix)2(H2O)2]·H2O} n , (I), and two-dimensional poly[[{μ2-1,4-bis[(2-methyl-1H-imidazol-1-yl)methyl]benzene}(μ2-glutarato)zinc(II)] tetrahydrate], {[Zn(C5H6O4)(C16H18N4)]·4H2O} n or {[Zn(Glu)(1,4-mbix)]·4H2O} n (II), have been synthesized hydrothermally using glutarate (Glu2−) mixed with 1,4-bis[(2-methyl-1H-imidazol-1-yl)methyl]benzene (1,4-mbix), and characterized by single-crystal X-ray diffraction, IR and UV–Vis spectroscopy, powder X-ray diffraction, and thermogravimetric and photoluminescence analyses. NiII MOF (I) shows a 4-connected 3D framework with point symbol 66, but is not a typical dia network. ZnII MOF (II) displays a two-dimensional 44-sql network with one-dimensional water chains penetrating the grids along the c direction. The solid-state photoluminescence analysis of (II) was performed at room temperature and the MOF exhibits highly selective sensing toward Fe3+ and Cr2O7 2− ions in aqueous solution.

Preparing transition metal-organic frameworks based on oxalate-sulfate anions in deep eutectic solvents

2019 ◽  
Vol 278 ◽  
pp. 120904 ◽  
Author(s):  
Fang-Fang Cheng ◽  
Jian-Nan Zhu ◽  
Ming-Yu Zhao ◽  
Zhong-Jie Ma ◽  
Wei-Wei Xiong
Keyword(s):  
Transition Metal ◽  
Metal Organic Frameworks ◽  
Deep Eutectic Solvents ◽  
Metal Organic
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