MWCNT Doped ZnO Nanocomposite Thin Film as LPG Sensing

被引：37
作者：
Sonker, Rakesh K. [1 ]
Singh, Monika [1 ]
Kumar, Utkarsh [1 ]
Yadav, B. C. [1 ]
机构：
[1] Babasaheb Bhimrao Ambedkar Univ, Sch Phys Sci, Dept Appl Phys, Nanomat & Sensor Res Lab, Lucknow, Uttar Pradesh, India
来源：
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS | 2016年 / 26卷 / 06期
关键词：
ZnO-MWCNT composite film; Chemical route; XRD; TEM; LPG sensing; LOW-TEMPERATURE; GAS; SNO2; SENSORS;
D O I：
10.1007/s10904-016-0442-3
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A compound material of multi-walled carbon nanotubes (MWCNTs) coated with ZnO was synthesized at ambient conditions. The X-ray diffraction, UV-visible spectroscopy, scanning electron microscope (SEM) and transmission electron microscopy results confirmed that the existence of ZnO nanoparticles inside the MWCNTs. The gas sensing properties of the material were studied. ZnO-based composites on MWCNTs treated at room temperature shows enhanced performance as sensors, making them suitable for practical applications. Sensor structure showed a better sensing response (S similar to 61.57) at operating room temperature towards 1500 ppm LPG with an average sensitivity 41.95. Furthermore, the gas sensor responses increased linearly with the increment of the gas concentrations of LPG.
引用
收藏
页码：1434 / 1440
页数：7
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