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A Decatungstate Incorporated MOF for Visible-Light-Driven Photocatalytic Oxidation of Cyclohexane by Molecular Oxygen
Journal of Cluster Science ( IF 2.7 ) Pub Date : 2020-05-25 , DOI: 10.1007/s10876-020-01817-4
Dongying Shi , Sijia Wang , Chaojie Cui , Qing Zhou , Junping Du , Diming Chen

A novel decatungstate incorporated MOF of {[Cu(NPY)2(H2O)]2(W10O32)}·2DMF·3H2O (CuWNPY; NPY = 3-amino-4,4′-bipyridine) has been synthesized by a diffusion method, and structurally characterized by elemental analyses, IR spectrum, UV–Vis spectrum, diffuse reflectance spectrum, powder X-ray diffraction (PXRD) and single-crystal X-ray diffraction. CuWNPY represents a novel decatungstate-based MOF with 1D quadrilateral channels (9.1 Å × 5.6 Å) constructed from Cu–NPY square grids and [W10O32]4− polyoxoanions via strong intermolecular hydrogen bonds and electrostatic interactions. Interestingly, CuWNPY exhibits remarkable photocatalytic activities for the oxidation of cyclohexane to cyclohexanol and cyclohexanone with O2 under visible-light irradiation. The successful synthesis of CuWNPY not only enriches decatungstate-based hybrid materials, but also represents the advantages of the decatungstate incorporated MOF for the selective oxygenation of organic compounds by O2.



中文翻译:

Decatungstate Incorporated MOF用于分子氧在可见光驱动下环己烷的光催化氧化

{[Cu(NPY)2(H 2 O)] 2(W 10 O 32)}·2DMF·3H 2 O(CuWNPY; NPY = 3-amino-4,4'-bipyridine )已通过扩散法合成,并在结构上通过元素分析,红外光谱,紫外可见光谱,漫反射光谱,粉末X射线衍射(PXRD)和单晶X射线衍射进行了表征。CuWNPY代表一种新颖的基于分解钨酸盐的MOF,具有由Cu–NPY正方形网格和[W 10 O 32 ] 4−构成的一维四边形通道(9.1Å×5.6Å)聚氧阴离子通过强大的分子间氢键和静电相互作用。有趣的是,CuWNPY在可见光照射下对O 2氧化环己烷生成环己醇和环己酮具有出色的光催化活性。CuWNPY的成功合成不仅丰富了基于分解钨酸盐的杂化材料,而且代表了掺入分解钨酸盐的MOF的优势,可用于O 2对有机化合物的选择性氧化。

更新日期:2020-05-25
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