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One-step synthesis and gas sensing properties of hierarchical SnO2 materials

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Abstract

Hierarchical tin oxide(SnO2) architectures were synthesized with a facile hydrothermal method. In the hydrothermal synthesis, sodium dodecyl benzene sulfonate(SDBS) surfactant plays an important role as structure-directing reagent. The synthesized samples were characterized by powder X-ray diffraction(XRD), field emission scanning electron microscopy(FESEM), transmission electron microscopy(TEM) and high-resolution transmission electron microscopy(HRTEM). The results clearly reveal that the hierarchical architectures of SnO2 were composed of aggregated nanosheets with a thickness of about 100 nm. A possible mechanism for the formation of the SnO2 hierarchical architectures was proposed. In addition, the gas sensing properties of the as-prepared products were investigated and it was found that the sensor based on the special SnO2 hierarchical architectures exhibited a high response and good selectivity to NO2 at the optimal working temperature of 160 °C.

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Authors and Affiliations

  1. State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun, 130012, P. R. China

    Yue Guan, Chong Wang, Jian Ma, Xiu-mei Xu, Yan-feng Sun, Feng-min Liu, Xi-shuang Liang, Yuan Gao & Ge-yu Lu

  2. Changchun Institute Optics, Fine Mechanics and Physics, Chinese Academy Sciences, Changchun, 130033, P. R. China

    Biao Wang

Authors
  1. Yue Guan
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  2. Chong Wang
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  3. Biao Wang
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  4. Jian Ma
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  5. Xiu-mei Xu
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  6. Yan-feng Sun
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  7. Feng-min Liu
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  8. Xi-shuang Liang
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  9. Yuan Gao
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  10. Ge-yu Lu
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Corresponding authors

Correspondence to Yan-feng Sun or Ge-yu Lu.

Additional information

Supported by the National Natural Science Foundation of China(Nos.61006055, 61074172, 61134010) and the Program for Changjiang Scholars and Innovative Research Team in University of China(No.IRT1017).

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Guan, Y., Wang, C., Wang, B. et al. One-step synthesis and gas sensing properties of hierarchical SnO2 materials. Chem. Res. Chin. Univ. 29, 837–840 (2013). https://doi.org/10.1007/s40242-013-3028-4

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  • DOI: https://doi.org/10.1007/s40242-013-3028-4

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