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Fabrication of Polyaniline (PANI)—Tungsten oxide (WO3) Composite for Humidity Sensing Application

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Abstract

In this paper, PANI–WO3 composite was synthesized via chemical polymerization method. The results were well supported by scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared (FTIR), UV–visible spectrophotometer and sensing measurements. The formation of PANI–WO3 was confirmed by XRD analysis. The average crystallite size was evaluated using Debye-Scherer’s formula. The functional group present in the PANI–WO3 was confirmed using FTIR spectrometer. UV–visible spectra showed the presence of different rings and energy band gaps of various samples were calculated. Further, the thin films of samples have been fabricated using spin coater. The sensing studies at 10, 20, 30 and 40 % of WO3 in PANI were carried out at room temperature. Sensing results demonstrate the fabricated porous PANI–WO3 composite thin films which is a challenging material for the development of the humidity sensors.

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Acknowledgments

Financial help in terms of UGC-RGNF (F1-17.1/2013-14/RGNF-2013-14-SC-UTT-54470) scheme is highly acknowledged by RK.

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Authors and Affiliations

  1. Nanomaterials & Sensors Research Laboratory, Department of Applied Physics, School for Physical Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, U.P., 226025, India

    R. Kumar & B. C. Yadav

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  1. R. Kumar
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  2. B. C. Yadav
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Correspondence to B. C. Yadav.

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Kumar, R., Yadav, B.C. Fabrication of Polyaniline (PANI)—Tungsten oxide (WO3) Composite for Humidity Sensing Application. J Inorg Organomet Polym 26, 1421–1427 (2016). https://doi.org/10.1007/s10904-016-0412-9

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  • DOI: https://doi.org/10.1007/s10904-016-0412-9

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