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首页> 外文期刊>Materials Chemistry and Physics >Synthesis, Characterization And Gas-sensing Property For C_2h_5oh Of Sno_2 Nanorods
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Synthesis, Characterization And Gas-sensing Property For C_2h_5oh Of Sno_2 Nanorods

机译：Sno_2纳米棒的C_2h_5oh的合成，表征和气敏性能

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SnO_2 nanorods with the rutile structure were prepared with annealing precursor powders produced by solid-state reaction coated surfactant at room temperature. The phase structure and morphologies of SnO_2 nanorods were characterized by means of X-ray diffraction (XRD), transmission electron microscopy (TEM) and X-ray photoelectron spectrum (XPS). The results show that diameter and length of the as-made nanorods are less then 20 nm and several micrometers, respectively. The indirect-heating sensors, using the SnO_2 nanorods as sensitive materials fabricated on an alumna tube with Au electrodes and platinum wires, were fabricated and investigated for the gas sensing properties. The investigation demonstrates that the sensor based on SnO_2 nanorods materials has good sensitivity, high selectivity and short response and reversion time to C_2H_5OH at 300℃.
机译：金红石结构的SnO_2纳米棒是通过在室温下对固态反应涂层表面活性剂制备的前驱体粉末进行退火制备的。通过X射线衍射（XRD），透射电子显微镜（TEM）和X射线光电子能谱（XPS）表征了SnO_2纳米棒的相结构和形貌。结果表明，制成的纳米棒的直径和长度分别小于20 nm和几微米。以SnO_2纳米棒为敏感材料，在带有Au电极和铂丝的铝管上制备了间接加热传感器，并研究了其气敏特性。研究表明，基于SnO_2纳米棒材料的传感器在300℃下具有良好的灵敏度，高选择性和较短的响应时间和对C_2H_5OH的还原时间。

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