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Effect of InO nanofiber structure on the ammonia sensing performances of InO/PANI composite nanofibers

Journal of Materials Science, ISSN: 1573-4803, Vol: 52, Issue: 2, Page: 686-695
2017
  • 35
    Citations
  • 0
    Usage
  • 32
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    35
    • Citation Indexes
      35
  • Captures
    32

Article Description

Indium oxide/polyaniline (InO/PANI) composite nanofibers with the solid or hollow structure of InO were successfully synthesized via a facile and efficient combined method of electrospinning, high-temperature calcination, and in situ polymerization. Various techniques, including scanning electron microscopy, Brunauer–Emmett–Teller, Fourier transform infrared, transmission electron microscopy, and X-ray diffraction, were employed to acquire the morphological, structural, and crystalline information of the prepared samples. The gas sensing performances of the as-obtained composite nanofibers were investigated by a home-made gas sensing test system at room temperature. All the results demonstrated that both solid and hollow InO/PANI composite nanofibers had higher response values than those of pure PANI sensor. In addition, the ammonia sensing properties of hollow InO/PANI composite nanofibers were much better than that of the solid ones. Furthermore, hollow InO/PANI composite nanofibers also showed ideal repeatability and selectivity due to their more and different types of P-N heterojunctions.

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