Study on the effects of the magneto assisted deposition on ammonia gas sensing properties of polyaniline

  • Abdolhossein Sáaedi
  • Pejman ShabaniEmail author
  • Ramin YousefiEmail author


The flexible polyaniline (PAni) films were deposited on the polyethylene terephthalate (PET) substrates by a spin-coating method under different magnetic field (MF) strength from 0.0 to 0.7 T. By increasing the magnetic field strength, we observed that crystalline quality, surface area as well as protonation of the PAni films were increased. Room temperature (RT) ammonia gas sensing application of these films was also investigated and it was observed the gas sensing performance of the PAni films was improved by the increase of the magnetic field strength up to 0.5 T. It was seen, the important gas sensing device parameters such as sensitivity, selectivity, stability, and response time of the PAni film, which was deposited under 0.5 T of magnetic field condition, 7.5, 1.49, 1.21, and 7.5 times, respectively, were higher than the PAni film gas sensor that was deposited under 0.0 T of magnetic field condition.



R. Yousefi and P. Shabani gratefully acknowledge the Islamic Azad University (I.A.U), Masjed-Soleiman and Mahshahr Branches for their supports of this research work.


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Electrical Engineering, Mahshahr BranchIslamic Azad University (I.A.U)MahshahrIran
  2. 2.Department of Physics, Masjed-Soleiman BranchIslamic Azad University (I.A.U)Masjed-SoleimanIran

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