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首页> 外文期刊>The journal of physical chemistry, C. Nanomaterials and interfaces >Fabrication of Barbed-Shaped SnO@SnO2 Core/Shell Nanowires
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Fabrication of Barbed-Shaped SnO@SnO2 Core/Shell Nanowires

机译:倒刺形SnO @ SnO2核/壳纳米线的制备

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摘要

The interest in core/shell nanowires (Nws) is stimulated by the importance of fabricating materials possessing unique magnetic, catalytic, or optical properties relative to ones of their bulk parents. Here, the fabrication of a novel design of core—shell SnO@SnO2 Nws via heat treatment of Sn Nws, fully encapsulated inside the pores of alumina matrix, is demonstrated. Under this scenario, densely packed arrays of barbed-shaped Nws, possessing extremely high surface areas, have been fabricated. Sn Mossbauer effect spectroscopy, high-resolution transmission electron microscopy (HRTEM), field-emission scanning electron microscopy (FESEM), and X-ray diffraction spectroscopy (XRD) were used to study the morphology and composition of the end-products. In addition, electron energy-loss spectroscopy (EELS) was successfully applied here to detect the ionization edges of tin and oxygen in the core and shell part of single Nw.
机译:制造具有相对于其本体母体的磁性,催化或光学特性独特的材料的重要性激发了对核/壳纳米线(Nws)的兴趣。这里,展示了通过对Sn Nws进行热处理而完全封装在氧化铝基质孔内的新型核壳SnO @ SnO2 Nws的制造方法。在这种情况下,已经制造出具有极高表面积的密集排列的倒钩状Nws阵列。 Sn Mossbauer效应光谱,高分辨率透射电子显微镜(HRTEM),场发射扫描电子显微镜(FESEM)和X射线衍射光谱(XRD)用于研究最终产物的形态和组成。此外,在这里成功地应用了电子能量损失谱(EELS)来检测单个Nw的核和壳部分中锡和氧的电离边缘。

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