Synthesis of nanocrystalline SnO2 powder from SnCl4 by mechanochemical processing

被引：12
作者：
Billik, P. [1 ]
Caplovicova, M. [2 ]
机构：
[1] Comenius Univ, Fac Nat Sci, Dept Inorgan Chem, Bratislava 84215, Slovakia
[2] Comenius Univ, Fac Nat Sci, Dept Geol & Mineral Deposits, Bratislava 84215, Slovakia
来源：
POWDER TECHNOLOGY | 2009年 / 191卷 / 03期
关键词：
SnO2; Nanocrystalline; Mechanochemical synthesis; Nanomaterials; TEM; NH4Cl salt matrix; PLANETARY BALL MILL; NANOPARTICLES; KINETICS; ANATASE; TIO2;
D O I：
10.1016/j.powtec.2008.10.017
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The rapid synthesis of nanocrystalline SnO2 powder using a mechanochemical reaction of SnCl4 (instead of the widely used tin (II) compounds) with (NH4)(2)CO3 and the subsequent annealing of the product in air and under an H2O/NH3 atmosphere has been investigated using X-ray powder diffraction, TG and TEM. The reaction was complete within 5 mill. Additional milling of the product at a higher milling intensity for 120 mill led to the crystallisation of tetragonal SnO2. The NH4Cl salt matrix was removed by annealing at 300 degrees C. The average crystallite size of tetragonal SnO2 was in the range of 2-48 nm and it can be controlled by variation heating temperatures and annealing atmospheres in the range of 300-700 degrees C. (C) 2008 Elsevier B.V. All rights reserved.
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收藏
页码：235 / 239
页数：5
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