The Sensing Properties of Single Y-Doped SnO(2) Nanobelt Device to Acetone.

The Sensing Properties of Single Y-Doped SnO(2) Nanobelt Device to Acetone.
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DOI:
10.1186/s11671-016-1685-1
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发表时间:
2016-12
影响因子:
--
通讯作者:
Yu D
Yu D
中科院分区:
材料科学3区
文献类型:
--
作者:
Li X;Liu Y;Li S;Huang J;Wu Y;Yu D

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在1350℃、Ar载气(30 sccm)存在下,通过热蒸发法制备了纯SnO2和y掺杂SnO2纳米带。采用扫描电镜(SEM)、x射线衍射(XRD)、能谱仪(EDS)、x射线光电子能谱仪(XPS)、紫外可见吸收光谱、拉曼光谱和傅里叶变换红外光谱(FTIR)对样品进行了表征。研究了单根SnO2纳米带和y掺杂SnO2纳米带对丙酮、乙醇和乙醇的传感性能。结果表明,在210℃下,单个掺y的SnO2纳米带器件对100 ppm丙酮的灵敏度为11.4,是三种VOC气体中响应最高的。Y3+离子提高了SnO2传感器的灵敏度,并对y掺杂SnO2纳米带的光学性能产生影响。本文的在线版本(doi:10.1186/s11671-016-1685-1)包含补充材料,可供授权用户使用。
Pure SnO2 and Y-doped SnO2 nanobelts were prepared by thermal evaporation at 1350 °C in the presence of Ar carrier gas (30 sccm). The samples were characterized by scanning electron microscope (SEM), X-ray diffraction (XRD), energy dispersion spectrometer (EDS), X-ray photoelectron spectrometer (XPS), UV-Vis absorption spectroscopy, Raman spectroscopy, and Fourier transform infrared spectrum (FTIR). The sensing properties of the devices based on a single SnO2 nanobelt and Y-doped SnO2 nanobelt were explored to acetone, ethanol, and ethanediol. It reveals that the sensitivity of single Y-doped SnO2 nanobelt device is 11.4 to 100 ppm of acetone at 210 °C, which is the highest response among the three tested VOC gases. Y3+ ions improve the sensitivity of SnO2 sensor and have an influence on the optical properties of Y-doped SnO2 nanobelts. The online version of this article (doi:10.1186/s11671-016-1685-1) contains supplementary material, which is available to authorized users.
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