Abstract
Present work reports the preparation, properties of polyaniline (PANI) thin film and its application as NO2 gas sensor opertable at room temperature. PANI was successfully synthesized via chemical oxidative polymerization technique using aniline as a monomer and ammonium persulphate (APS) as oxidant. PANI thin film sensor was fabricated on corning glass substrate using spin coating technique. The film was characterized by XRD, TEM, SEM, FTIR and UV–Visible. The PANI film was found to give maximum sensing response of ~12.10 towards 100 ppm NO2 gas having with fast response and recovery times as ~11 s and 7 min.
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Acknowledgments
Author R.K. Sonker is thankful to Babasaheb Bhimrao Ambedkar University, Lucknow for UGC fellowship and characterization facilities (USIC-SEM). Prof. Vinay Gupta, Department of Physics & Astrophysics, University of Delhi is gratefully acknowledged for providing the characterization facilities.
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Sonker, R.K., Yadav, B.C. & Dzhardimalieva, G.I. Preparation and Properties of Nanostructured PANI Thin Film and Its Application as Low Temperature NO2 Sensor. J Inorg Organomet Polym 26, 1428–1433 (2016). https://doi.org/10.1007/s10904-016-0439-y
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DOI: https://doi.org/10.1007/s10904-016-0439-y