Highly sensitive and selective ethanol sensors based on flower-like ZnO nanorods

被引：2
|
作者：
Liu Li [1 ]
Wang Lianyuan [1 ]
Han Yu [1 ]
Li Shouchun [1 ]
Shan Hao [1 ]
Wu Peilin [2 ]
Meng Xin [2 ]
Wei Aiguo [1 ]
Li Wei [1 ]
机构：
[1] Jilin Univ, Coll Phys, State Key Lab Superhard Mat, Changchun 130012, Peoples R China
[2] Jilin Univ, Coll Instrumentat & Elect Engn, Changchun 130061, Peoples R China
来源：
JOURNAL OF SEMICONDUCTORS | 2011年 / 32卷 / 09期
关键词：
ZnO; nanostructure; ethanol; gas sensor;
D O I：
10.1088/1674-4926/32/9/092005
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A simple and easy hydrothermal process has been employed to synthesize flower-like ZnO products consisting of numerous orderly oriented and bundled nanorods. The structure and morphology of the novel ZnO structure are characterized in detail. The flower-like ZnO-nanorod-based gas sensors are investigated for their ethanol-sensing properties, and the results reveal that the sensors exhibit a high response of 143.6 to 1000 ppm ethanol and good selectivity at the optimal operating temperature of 250 degrees C. The effect of the flower-like morphology on the response of the gas sensors to ethanol is also investigated.
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页数：4
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