A highly sensitive ethanol gas sensor based on mesoporous SnO2 fabricated from a facile double-surfactant template method

A highly sensitive ethanol gas sensor based on mesoporous SnO2 fabricated from a facile double-surfactant template method
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采用简便的双表面活性剂模板法制备的基于介孔 SnO2 的高灵敏度乙醇气体传感器

DOI:
10.1016/j.matlet.2015.06.047
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发表时间:
2015-11
期刊:
material letters
影响因子:
--
通讯作者:
于灵敏
于灵敏
中科院分区:
其他
文献类型:
--
作者:
于灵敏

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采用双表面活性剂模板法制备了中心孔径为2.53 nm的介孔SnO 2纳米结构。X射线衍射(XRD)、能量色散X射线分析(EDX)、透射电子显微镜(TEM)和比表面积(BET)等表征手段证实了介孔SnO 2的成功制备。并对介孔SnO 2纳米结构对乙醇的气敏性能进行了评价。测试结果表明,用该介孔SnO 2制备的乙醇气敏元件在300 °C的工作温度下对5060-200 ppm的乙醇具有极高的灵敏度。
Mesoporous SnO2nanostructures with the central pore sizes of 2.53 nm have been fabricated via a facile double-surfactant template method. The combined characterizations of X-ray diffraction (XRD), energy dispersive X-ray analysis (EDX), transmission electron microscopy (TEM), and Brunauer–Emmet–Teller (BET) confirmed the successful preparation of mesoporous SnO2. Gas sensing properties of mesoporous SnO2nanostructures for ethanol were also evaluated. Testing results showed that ethanol gas sensors fabricated from such mesoporous SnO2exhibited extremely high sensitivity of 5060–200 ppm ethanol at the operating temperature of 300 °C.
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