Yadav, Anju and Prajesh, Rahul and Agarwal, Ajay and Saini, Parveen (2018) Analysing Effect of Different Parameters on Performance of Dodecyl Benzene Sulphonic Acid Doped Polyaniline based Ammonia Gas Sensor. In: 17th IEEE SENSORS Conference, OCT 28-31, 2018, New Delhi, INDIA.

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The paper demonstrates the development of Dodecyl benzene sulphonic acid (DBSA) doped polyaniline (PANI) nanoparticles based ammonia gas sensor. DBSA doped PANI nanoparticles have been synthesized by chemical oxidative polymerization of aniline monomer in the presence of DBSA. The UV-Visible spectroscopy and X-ray diffraction measurements are used to confirm the formation of PANI and its doping by DBSA, whereas SEM images are used to see the formation of nanoparticles of PANT. The chloroform dispersion of synthesized PANI-DBSA was spin coated over prefabricated interdigitated Pt patterned glass substrate to realize porous gas sensing active layer. The sensor displays good response at 100 ppm ammonia concentration and can repeatedly detect ammonia with relative response of 5.5. Besides, this sensor development, an analysis of sensor performance against temperature variations is done to check thermal stability of the sensor. Effect of thin film thickness variations on relative response of the sensor is also analyzed. The experiments have been carried out at different concentrations which show that when concentration increases relative response and recovery time increase and response time decreases.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Copyright for this article belongs to M/s IEEE.
Subjects: Earth Sciences > Remote Sensing
Engineering > Electronics and Electrical Engineering
Depositing User: Mr. Yogesh Joshi
Date Deposited: 03 Feb 2020 11:15
Last Modified: 03 Feb 2020 11:15
URI: http://npl.csircentral.net/id/eprint/4075

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