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Physics of Semiconductor Devices pp 699–701Cite as

Humidity Sensing by Chemically Reduced Graphene Oxide

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Part of the book series: Environmental Science and Engineering ((ENVENG))

Abstract

Reduced Graphene Oxide (RGO) has been synthesized chemically by reducing micron-sized Graphene Oxide (GO) flakes using sodium borohydride solution. Indium Tin Oxide (ITO) coated glass was taken as the basic substrate for sensing layer deposition. Sensitivity tests for relative humidity (RH) measurements were carried out at five different concentrations of humid air at room temperature. The response of the sensor was found to vary between 3.8 for 10 % humid air and 20.4 for 100 % humid air. Characterizations of the sensing layer were carried out using Atomic Force Microscopy (AFM) and Field Emission Scanning Electron Microscopy (FESEM).

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Acknowledgments

S. Santra acknowledges Department of Science and Technology (DST), India for the partial support of the work (project no SR/S2/RJN-104/2011).

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Authors and Affiliations

  1. Department of Electronics and Electrical Communication Engineering, IIT, Kharagpur, 721302, India

    Ruma Ghosh & Prasanta K. Guha

  2. Department of Physics and Meteorology, IIT, Kharagpur, 721302, India

    Anupam Midya, Sumita Santra & Samit K. Ray

Authors
  1. Ruma Ghosh
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  2. Anupam Midya
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  3. Sumita Santra
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  4. Samit K. Ray
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  5. Prasanta K. Guha
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Corresponding author

Correspondence to Ruma Ghosh .

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Editors and Affiliations

  1. Amity Institute for Advanced Research and Studies (Meterials & Devices), Amity University, Noida, Uttar Pradesh, India

    V. K. Jain

  2. Amity Institute for Advanced Research and Studies (Meterials & Devices), Amity University, Noida, Uttar Pradesh, India

    Abhishek Verma

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© 2014 Springer International Publishing Switzerland

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Cite this paper

Ghosh, R., Midya, A., Santra, S., Ray, S.K., Guha, P.K. (2014). Humidity Sensing by Chemically Reduced Graphene Oxide. In: Jain, V., Verma, A. (eds) Physics of Semiconductor Devices. Environmental Science and Engineering(). Springer, Cham. https://doi.org/10.1007/978-3-319-03002-9_180

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