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Preparation and low-temperature gas-sensing properties of SnO2 ultra-fine fibers fabricated by a centrifugal spinning process

  • Original Paper: Sol-gel and hybrid materials for catalytic, photoelectrochemical and sensor applications
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Abstract

In this paper, centrifugal spinning technology and calcination were used to prepare SnO2 ultra-fine fibers. Several parameters such as the concentration of SnCl4, rotational speed, and diameter of the spinneret were discussed to determine the optimum spinning conditions. The obtained as-spun fibers and SnO2 ultra-fine fibers were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), FT-IR spectra and X-ray photoelectron spectroscopy (XPS), and the low-temperature gas-sensing properties of the SnO2 sample were systematically investigated. The results proved that the SnO2 sample had good sensitivity for a variety of measured gases at low temperature. Among these, the SnO2 sensor showed the highest sensitivity for HCl gas, and the sensitivity for ethanol gas increased rapidly when its concentration exceeded 1200 ppm. Our results demonstrated that the centrifugal spinning could be a potential approach for preparing the SnO2 gas sensor.

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Acknowledgments

The authors gratefully acknowledge the financial support of National Natural Science Foundation of China (52103112).

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Authors and Affiliations

  1. School of Textile, Tianjin Polytechnic University, Tianjin, 300387, China

    Wei Xu, Lei Xia, Jing-ge Ju & Bo-wen Cheng

  2. Key Laboratory of Advanced Textile Composites, Ministry of Education, Tianjin, 300387, China

    Lei Xia & Bo-wen Cheng

  3. Tianjin Multicipal Kay Lab of Fiber Modification and Functional Fiber, Tianjin Polytechnic University, Tianjin, 300387, China

    Peng Xi & Bo-wen Cheng

  4. School of Mathematical Sciences, Tianjin Normal University, Tianjin, 300387, China

    Yu-xia Liang

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  1. Wei Xu
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  2. Lei Xia
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  3. Jing-ge Ju
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  4. Peng Xi
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Correspondence to Lei Xia.

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Xu, W., Xia, L., Ju, Jg. et al. Preparation and low-temperature gas-sensing properties of SnO2 ultra-fine fibers fabricated by a centrifugal spinning process. J Sol-Gel Sci Technol 78, 353–364 (2016). https://doi.org/10.1007/s10971-016-3962-y

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  • DOI: https://doi.org/10.1007/s10971-016-3962-y

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