首页> 外文期刊>Chinese journal of aeronautics >Preparation of Highly Dispersed Antimony-doped Tin Oxide Nano-powder via Ion-exchange Hydrolysis of SnCl_4 and SbCl_3 and Azeotropic Drying
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Preparation of Highly Dispersed Antimony-doped Tin Oxide Nano-powder via Ion-exchange Hydrolysis of SnCl_4 and SbCl_3 and Azeotropic Drying

机译:SnCl_4和SbCl_3的离子交换水解及共沸干燥制备高分散锑掺杂氧化锡纳米粉

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摘要

Antimony-doped tin hydroxide colloid precipitates have been synthesized by hydrolysis of SnCl_4 and SbCl_3 using: (1) an ion-exchange hydrolysis to remove chlorine ions, and (2) isoamyl acetate as an azeotropic solvent to obviate water. The obtained dried powder is of high dispersivity without any need for further grinding. The size and dispersivity of the final particles are investigated with the aid of TG-DTA, BET, XRD and TEM. After having calcined, the antimony-doped tin oxide nanopowder possesses a tetragonal rutile structure with high dispersivity, uniform particles and low hard agglomeration.
机译:锑掺杂的氢氧化锡胶体沉淀物是通过以下方法水解SnCl_4和SbCl_3合成的:(1)进行离子交换水解以去除氯离子,以及(2)乙酸异戊酯作为共沸溶剂以消除水。所获得的干燥粉末具有高分散性,而无需进一步研磨。借助TG-DTA,BET,XRD和TEM研究了最终颗粒的尺寸和分散性。掺锑氧化锡纳米粉经煅烧后,具有四方金红石结构,分散性高,颗粒均匀,硬团聚度低。

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