Coralloid SnO2 with hierarchical structure and their application as recoverable gas sensors for the detection of benzaldehyde/acetone

被引:24
作者
Fang, Caihong [1 ]
Wang, Shaozhen [1 ]
Wang, Qian [1 ]
Liu, Jun [1 ]
Geng, Baoyou [1 ]
机构
[1] Anhui Normal Univ, Coll Chem & Mat Sci, Anhui Lab Mol Based Mat, Anhui Key Lab Funct Mol Solids, Wuhu 241000, Peoples R China
基金
中国国家自然科学基金;
关键词
Inorganic compounds; Semiconductor; Microstructures; Gas-sensor; TIN OXIDE; SENSING PROPERTIES; NONAQUEOUS SYNTHESIS; FACILE SYNTHESIS; QUANTUM DOTS; GRAIN-SIZE; NANORODS; NANOPARTICLES; NANOCRYSTALS; NANOTUBES;
D O I
10.1016/j.matchemphys.2010.03.005
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this paper, we report a solvothermal route to fabricate coralloid hierarchical SnO2 nanostructures. We obtain the product with different surface morphology at different reaction temperature. The breadth and length of the shot rod on the surface change with the temperature. A possible growth mechanism governing the formation of the nanostructures is discussed. Gas sensors based on the as-prepared SnO2 nanostructures exhibit high sensitivity, short recovery time, good reproducibility and linear dependence relation to benzaldehyde/acetone, which is significant for exploiting gas-sensing materials in the future. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:30 / 34
页数:5
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