Laijun Zhang, Hong Huang, Delin Li, Guocai Yuan, Yijia Li, Song Wan, Huifang Xiao, Fayun Chen, Ruyi Zou
{"title":"一种二维柱状双层铁基金属有机骨架:合成、晶体结构、紫外光催化和非均相类芬顿催化活性","authors":"Laijun Zhang, Hong Huang, Delin Li, Guocai Yuan, Yijia Li, Song Wan, Huifang Xiao, Fayun Chen, Ruyi Zou","doi":"10.1007/s11243-023-00522-1","DOIUrl":null,"url":null,"abstract":"<div><p>A two-dimensional (2D) pillared-bilayer iron-based metal–organic framework (MOF), [Fe<sub>2</sub>(aip)<sub>2</sub>(bpy)<sub>2</sub>]·(H<sub>2</sub>O)(DMF) (<b>1</b>) (where H<sub>2</sub>aip = 5-aminoisophthalic acid, bpy = 4,4'-bipyridine, DMF = <i>N</i>,<i>N</i>-dimethylformamide), was solvo/hydrothermally synthesized using H<sub>2</sub>aip, bpy and ferrous sulfate heptahydrate as raw materials in DMF/H<sub>2</sub>O mixed solvent. The structure and properties of <b>1</b> were characterized by single-crystal X-ray diffraction, powder X-ray diffraction, elemental analysis, thermogravimetric analysis, infrared spectroscopy and UV–vis diffuse reflectance spectroscopy. In <b>1</b>, each Fe(II) ion exhibits a distorted octahedral geometry, while the aip<sup>2−</sup> and bpy ligands adopt the chelating/bridging bis-bidentate (μ<sub>3</sub>-η<sup>1</sup>:η<sup>1</sup>:η<sup>2</sup>) and bridging bidentate (μ<sub>2</sub>-η<sup>1</sup>:η<sup>1</sup>) coordination modes, respectively. Infinite one-dimensional [Fe<sub>2</sub>(aip)<sub>2</sub>]<sub>n</sub> chains extending along the <i>a</i> axis are formed through bridging and chelating carboxylate groups of aip<sup>2−</sup> ligands and are further cross-linked by bpy ligands along the <i>b</i> axis to generate an infinite 2D pillared-bilayer framework with an interdigitated structure. Fe-MOF <b>1</b> shows both UV-light photocatalytic activity and Fenton-like catalytic activity toward the degradation of rhodamine B solution, which can be potentially applied in environmental remediation such as industrial wastewater treatment.</p></div>","PeriodicalId":803,"journal":{"name":"Transition Metal Chemistry","volume":null,"pages":null},"PeriodicalIF":1.6000,"publicationDate":"2023-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11243-023-00522-1.pdf","citationCount":"0","resultStr":"{\"title\":\"A 2D pillared-bilayer iron-based metal–organic framework: syntheses, crystal structure, UV-light photocatalytic and heterogeneous Fenton-like catalytic activities\",\"authors\":\"Laijun Zhang, Hong Huang, Delin Li, Guocai Yuan, Yijia Li, Song Wan, Huifang Xiao, Fayun Chen, Ruyi Zou\",\"doi\":\"10.1007/s11243-023-00522-1\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>A two-dimensional (2D) pillared-bilayer iron-based metal–organic framework (MOF), [Fe<sub>2</sub>(aip)<sub>2</sub>(bpy)<sub>2</sub>]·(H<sub>2</sub>O)(DMF) (<b>1</b>) (where H<sub>2</sub>aip = 5-aminoisophthalic acid, bpy = 4,4'-bipyridine, DMF = <i>N</i>,<i>N</i>-dimethylformamide), was solvo/hydrothermally synthesized using H<sub>2</sub>aip, bpy and ferrous sulfate heptahydrate as raw materials in DMF/H<sub>2</sub>O mixed solvent. The structure and properties of <b>1</b> were characterized by single-crystal X-ray diffraction, powder X-ray diffraction, elemental analysis, thermogravimetric analysis, infrared spectroscopy and UV–vis diffuse reflectance spectroscopy. In <b>1</b>, each Fe(II) ion exhibits a distorted octahedral geometry, while the aip<sup>2−</sup> and bpy ligands adopt the chelating/bridging bis-bidentate (μ<sub>3</sub>-η<sup>1</sup>:η<sup>1</sup>:η<sup>2</sup>) and bridging bidentate (μ<sub>2</sub>-η<sup>1</sup>:η<sup>1</sup>) coordination modes, respectively. Infinite one-dimensional [Fe<sub>2</sub>(aip)<sub>2</sub>]<sub>n</sub> chains extending along the <i>a</i> axis are formed through bridging and chelating carboxylate groups of aip<sup>2−</sup> ligands and are further cross-linked by bpy ligands along the <i>b</i> axis to generate an infinite 2D pillared-bilayer framework with an interdigitated structure. 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A 2D pillared-bilayer iron-based metal–organic framework: syntheses, crystal structure, UV-light photocatalytic and heterogeneous Fenton-like catalytic activities
A two-dimensional (2D) pillared-bilayer iron-based metal–organic framework (MOF), [Fe2(aip)2(bpy)2]·(H2O)(DMF) (1) (where H2aip = 5-aminoisophthalic acid, bpy = 4,4'-bipyridine, DMF = N,N-dimethylformamide), was solvo/hydrothermally synthesized using H2aip, bpy and ferrous sulfate heptahydrate as raw materials in DMF/H2O mixed solvent. The structure and properties of 1 were characterized by single-crystal X-ray diffraction, powder X-ray diffraction, elemental analysis, thermogravimetric analysis, infrared spectroscopy and UV–vis diffuse reflectance spectroscopy. In 1, each Fe(II) ion exhibits a distorted octahedral geometry, while the aip2− and bpy ligands adopt the chelating/bridging bis-bidentate (μ3-η1:η1:η2) and bridging bidentate (μ2-η1:η1) coordination modes, respectively. Infinite one-dimensional [Fe2(aip)2]n chains extending along the a axis are formed through bridging and chelating carboxylate groups of aip2− ligands and are further cross-linked by bpy ligands along the b axis to generate an infinite 2D pillared-bilayer framework with an interdigitated structure. Fe-MOF 1 shows both UV-light photocatalytic activity and Fenton-like catalytic activity toward the degradation of rhodamine B solution, which can be potentially applied in environmental remediation such as industrial wastewater treatment.
期刊介绍：
Transition Metal Chemistry is an international journal designed to deal with all aspects of the subject embodied in the title: the preparation of transition metal-based molecular compounds of all kinds (including complexes of the Group 12 elements), their structural, physical, kinetic, catalytic and biological properties, their use in chemical synthesis as well as their application in the widest context, their role in naturally occurring systems etc.
Manuscripts submitted to the journal should be of broad appeal to the readership and for this reason, papers which are confined to more specialised studies such as the measurement of solution phase equilibria or thermal decomposition studies, or papers which include extensive material on f-block elements, or papers dealing with non-molecular materials, will not normally be considered for publication. Work describing new ligands or coordination geometries must provide sufficient evidence for the confident assignment of structural formulae; this will usually take the form of one or more X-ray crystal structures.
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