Synthesis of multifarious hierarchical flower-like SnO2 and their gas-sensing properties

被引：37
作者：
Zeng, Wen [1 ,2 ]
He, Qiongyao [1 ]
Pan, Kangguan [1 ]
Wang, Yang [1 ]
机构：
[1] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400030, Peoples R China
[2] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing 400030, Peoples R China
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2013年 / 54卷
基金：
中国博士后科学基金;
关键词：
Hydrothermal process; SnO2; Nanostructure; Gas-sensing; SENSORS; NANOSTRUCTURES; NANOWIRES; SINGLE; GROWTH; H-2; CO;
D O I：
10.1016/j.physe.2013.07.014
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We successfully synthesized variant hierarchical assembled flower-like SnO2 via a simple hydrothermal technique and subsequent calcination. The structures and morphologies of the 3D nanostructures were investigated by means of powder X-ray diffraction (XRD) and field-emission scanning electron microscopy (FE-SEM). The formation mechanism of these materials were proposed in detail. The gas-sensing performances of the as-prepared SnO2 were investigated towards ethanol. It is noted that the flower-sheet SnO2 sensor displayed particular response to the target gas, rendering SnO2 as a potential gas-sensing material for a broad range of future sensor applications. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：313 / 318
页数：6
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