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Atmospheric Plasma Sprayed 25 wt.% WO3-75wt.% SnO2 Composite Coating: Investigations on Ethanol and Acetone Sensing Characteristics

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Advances in Micro and Nano Manufacturing and Surface Engineering

Part of the book series: Lecture Notes on Multidisciplinary Industrial Engineering ((LNMUINEN))

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Abstract

The present work explores ethanol and acetone sensing performance of atmospheric plasma sprayed 25 wt.% WO3-75 wt.% SnO2 coating deposited on alumina substrate. Sensing characterization of the coating was tested using a homemade static chamber in the presence of ethanol and acetone. Sensor response characteristics were also obtained by varying concentration of test vapour. Concentration dependent response transients were modeled using Langmuir-Hinshelwood isotherm to estimate characteristic time constant for ethanol and acetone sensing.

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Acknowledgements

The above research work was partially supported by the research grant obtained from CSIR, Government of India; vide sanction Letter No. 03/(1371)/16/EMR-II, dated 10-05-2016 and DST, Government of India; vide sanction letter Nos. 5(1) 2017-NANO dated 28-03-2018 and DST/NM/NNETRA/2018(G)-IIT KGP dated 21-03-2018.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India

    Vibhav Ambardekar & P. P. Bandyopadhyay

  2. Materials Science Centre, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India

    S. B. Majumder

Authors
  1. Vibhav Ambardekar
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  2. P. P. Bandyopadhyay
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  3. S. B. Majumder
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Editor information

Editors and Affiliations

  1. Manufacturing Engineering Section, Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India

    M. S. Shunmugam

  2. Department of Manufacturing Engineering, College of Engineering, Guindy, Anna University, Chennai, Tamil Nadu, India

    M. Kanthababu

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Ambardekar, V., Bandyopadhyay, P.P., Majumder, S.B. (2019). Atmospheric Plasma Sprayed 25 wt.% WO3-75wt.% SnO2 Composite Coating: Investigations on Ethanol and Acetone Sensing Characteristics. In: Shunmugam, M., Kanthababu, M. (eds) Advances in Micro and Nano Manufacturing and Surface Engineering. Lecture Notes on Multidisciplinary Industrial Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-32-9425-7_64

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