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首页> 外文期刊>Nanotechnology >Catanionic- surfactant- controlled morphosynthesis and gas-sensing properties of corundum-type In_2O_3
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Catanionic- surfactant- controlled morphosynthesis and gas-sensing properties of corundum-type In_2O_3

机译：刚玉型In_2O_3的阳离子表面活性剂控制的形态合成和气敏特性

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摘要

Metastable corundum-type In_2O_3 hierarchical structures with various morphologies inherited InOOH nanostructures, which were generated via a catanionic-surfactant-assisted solvothermal process. The products were characterized in detail by x-ray powder diffractometry (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and HRTEM. These superstructures were built from one-dimensional components. The one-dimensional preferential growth is explained in terms of the crystallographic features of InOOH. The effects of reaction parameters on the formation of nanostructures are also discussed. It is demonstrated that both laurylamine and oleic acid play an important role in the generation of InOOH hierarchical structures. Gas sensors composed of In_2O_3 hierarchical nanostructures show a good response to toxic chlorophenol at 280 °C.
机译：具有各种形态的亚稳态刚玉型In_2O_3层次结构继承了InOOH纳米结构，这是通过阳离子表面活性剂辅助溶剂热过程生成的。通过X射线粉末衍射法（XRD），扫描电子显微镜（SEM），透射电子显微镜（TEM）和HRTEM对产物进行详细表征。这些上层建筑是由一维组件构成的。根据InOOH的晶体学特征来解释一维优先生长。还讨论了反应参数对纳米结构形成的影响。结果表明，月桂胺和油酸均在InOOH分层结构的生成中起重要作用。由In_2O_3分层纳米结构组成的气体传感器在280°C下对毒性氯苯酚显示出良好的响应。

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