超声合成MgBTC金属有机骨架纳米材料及性质研究

Ultrasonic Synthesis of Metal-organic Frameworks Nanomaterials/Mg BTC and Its Properties

金属有机骨架(MOFs)配位聚合物因其具有形貌可控性、结构多样性及较大的比表面积等优良性质,在化学催化,氢能储存等方面有着诸多潜在的应用前景。文章在超声条件下使用三乙胺扩散制备配合物,通过XRD,SEM表征产物的结构以及形貌特征。实验运用相同合成方法还研究了铽掺杂的配合物对硝基爆炸物的荧光传感性质。表明该配合物具有荧光可调性,因而铽掺杂的金属有机骨架材料可用于荧光探针、显示器件和荧光成像等方面。

Metal-organic frameworks （MOFs） are an extensive class of crystalline materials with controlled morphology, structural diversity and high surface area, which have attracted considerable applications in chemical catalysis, hydrogen storage and so on. In the work, the Mg-BTC and Tb^3＋doped Mg-BTC were synthesized using the ultrasonic and vapor diffusion method. The structure and morphology were confirmed by powder X-ray diffraction （XRD） and scanning electron microscopy （SEM） image, Meantime, we also study the fluorescent property of the as-synthesized Tb3＊-doped Mg-BTC, fluorescence emission spectra reveal that emission spectroscopy can be tuned by varying ratio of Tb to Mg-BTC. Therefore, Tb^3＋-doped Mg-BTC is useful for fluorescence label, displayer devices and fluorescence imaging.