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Co(OH)(3) nanobelts: synthesis, characterization and shape-preserved transformation to pseudo-single-crystalline Co3O4 nanobelts

机译:Co(OH)(3)纳米带:合成,表征和形状保留的向伪单晶Co3O4纳米带的转化

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摘要

In this paper, we demonstrated a facile hydrothermal route leading to the generation of a new cobalt hydroxide, Co(OH)(3), nanobelt. This new product of Co(OH)(3) nanobelts was well characterized and identified by SEM, TEM, XRD, EDX, XPS, EXAFS, Raman, TGA and SQUID. Additionally, through systematic investigations on morphological evolution, it was found that the size and shape of Co( OH) 3 nanobelts were adjustable in large scale, e. g. from 50 to 1.5 mu m in length and 5 mu m to 20 nm in width, by means of fine experimental parameter control. Furthermore, the unique pseudo-single-crystalline Co3O4 nanobelts were produced from Co(OH)(3) precursors via heating treatment. This is the first synthesis of Co(OH)(3) with tunable shapes and sizes, which may find important applications as gas sensors, catalysts, and electrode materials, owing to the specific large surface-to-volume ratio and other unique properties endowed by typical 1D nanobelts.
机译:在本文中,我们展示了一种简便的热液路线,可导致生成新的氢氧化钴Co(OH)(3)纳米带。 Co(OH)(3)纳米带的这一新产品通过SEM,TEM,XRD,EDX,XPS,EXAFS,拉曼,TGA和SQUID进行了很好的表征和鉴定。另外,通过对形态演变的系统研究,发现Co(OH)3纳米带的大小和形状可以在较大范围内调节。 G。通过精细的实验参数控制,其长度为50至1.5微米,宽度为5至20纳米。此外,独特的伪单晶Co3O4纳米带是通过热处理由Co(OH)(3)前体制成的。这是具有可调形状和尺寸的Co(OH)(3)的首次合成,由于特定的大体积比和赋予的其他独特性能,它可能会在气体传感器,催化剂和电极材料中找到重要的应用通过典型的一维纳米带。

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