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Ultrasound assisted synthesis of a Zn(ii) metal–organic framework with nano-plate morphology using non-linear dicarboxylate and linear N-donor ligands

机译:用非线性二羧酸盐和线性N-供体配体,用纳米板形态学辅助合成Zn(II)金属 - 有机骨架

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A 3D, porous Zn( II )-based metal–organic framework {[Zn _(2) (oba) _(2) (4-bpdb)]·2DMF} _( n ) (TMU-4) with double interpenetration was prepared by using a non-linear dicarboxylate (H _(2) oba = 4,4′-oxybisbenzoic acid) and a linear N-donor (4-bpdb = 1,4-bis(4-pyridyl)-2,3-diaza-1,3-butadiene) ligand. Also micro- and nano-plates of this MOF were synthesized by a sonochemical process and characterized by scanning electron microscopy, X-ray powder diffraction and IR spectroscopy. The thermal stability was studied by thermogravimetric analysis (TGA). Sonication time and concentration of initial reagents effects on the size and morphology of nano-structured MOFs, were studied. Calcination of TMU-4 at 500 °C under air atmosphere yields ZnO nanoparticles.
机译:基于多孔Zn(II)的金属 - 有机框架{[Zn _(2)(OBA)_(2)(4-BPDB)]·2DMF} _(n)(n)(tmu-4)具有双互通通过使用非线性二羧酸甲酸酯(H _(2)OBA = 4,4'-氧基苯甲酸)和线性N-供体(4-BPDB = 1,4-双(4-吡啶基)-2,3- Diaza-1,3-丁二烯)配体。该MOF的微铝和纳米板也通过SOOCOOPEMICAL方法合成,并通过扫描电子显微镜,X射线粉衍射和IR光谱来表征。通过热重分析(TGA)研究了热稳定性。研究了初始试剂对纳米结构MOF的尺寸和形态的超声处理时间和浓度。在空气气氛下在500℃下煅烧TMU-4,得到ZnO纳米颗粒。

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