Ammonia Gas Sensing Characteristics of Spin Coated Polyaniline Films

Authors

  • Ravindra Kumar G. Bavane School of Physical Sciences, North Maharashtra University, Jalgaon-425001
  • Ashok M. Mahajan North Maharashtra University, Jalgaon-425001
  • Mahendra D. Shirsat Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-
  • Ratnakar B. Gore School of Physical Sciences, North Maharashtra University, Jalgaon-425001

DOI:

https://doi.org/10.24297/jap.v3i3.2057

Keywords:

Conducting polymers, Polyaniline, Ammonia gas sensor, FTIR, UV, SEM.

Abstract

The conductive layer of emeraldine base polyaniline (PANI) thin film coated on silicon has successfully tested for ammonia. The bulk PANI powder was synthesized by oxidative polymerization of aniline using ammonium peroxidisulfate in an acidic medium and dissolved in N-methyl pyrrolidone (NMP) for coating the thin film on Silicon using spin coater. FTIR, UVvisible, and SEM were used to characterize the PANI thin film. The electrical conductivity of the PANI films has been studied by measuring the change in electrical conductivity by Four Probe Set up on exposure to ammonia gas (NH3) at different concentrations from 100 ppm to 500 ppm. margin.

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Author Biographies

Ashok M. Mahajan, North Maharashtra University, Jalgaon-425001

Material and Devices Laboratory for Nanoelectronics (MDLN), Department of Electronics

Mahendra D. Shirsat, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-

Intelligent Materials research Laboratory, Department of Physics

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Published

2013-12-10

How to Cite

Bavane, R. K. G., Mahajan, A. M., Shirsat, M. D., & Gore, R. B. (2013). Ammonia Gas Sensing Characteristics of Spin Coated Polyaniline Films. JOURNAL OF ADVANCES IN PHYSICS, 3(3), 241–248. https://doi.org/10.24297/jap.v3i3.2057

Issue

Vol. 3 No. 3

Section

Articles

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