Synthesis and gas sensing characteristics of SnO2 "dandelions"

被引：11
作者：
Sun, Peng [1 ]
Fu, Wuyou [1 ]
Yang, Haibin [1 ]
Liu, Shikai [1 ]
Luo, Baomin [1 ]
Sui, Yongming [1 ]
Zhang, Yanyan [1 ]
Yuan, Mingxia [1 ]
Ma, Dong [1 ]
机构：
[1] Jilin Univ, State Key Lab Superhard Mat, Changchun 130012, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2010年 / 119卷 / 03期
关键词：
Nanostructure materials; X-ray diffraction; Electron microscopy; Catalytic properties; ROOM-TEMPERATURE; LARGE-SCALE; NANORODS; SENSORS; NANOWIRES; ETHANOL; GROWTH; NANORIBBONS; FABRICATION; NANOTUBES;
D O I：
10.1016/j.matchemphys.2009.09.019
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
SnO2 dandelions-like architectures that composed of numerous one-dimensional tetragonal prism nanorods were synthesized by a simple hydrothermal method with the help of the surfactant poly(vinyl pyrrolidone) (PVP). The structure and morphology of resulting samples were characterized by means of X-ray powder diffraction (XRD) and field-emission scanning electron microscopy (FESEM). The results show that diameter of as-synthesized nanorods are less than 50 nm. The sensors fabricated from the SnO2 nanorods exhibited good sensitivity, high selectivity and rapid response and recovery times to ethanol vapors at 280 degrees C. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：432 / 435
页数：4
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