Experimental Investigation on Humidity Sensing of Nanostructured Ferric Oxides

Richa Srivastava; Satyendra Singh; Nidhi Verma

doi:doi:10.11648/j.an.20170101.14

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Experimental Investigation on Humidity Sensing of Nanostructured Ferric Oxides

Richa Srivastava, Satyendra Singh, Nidhi Verma

Published in Advances in Nanomaterials (Volume 1, Issue 1)

Received: 7 March 2017 Accepted: 20 April 2017 Published: 22 June 2017

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Abstract

Nanostructured ferric oxides (A and B) were synthesized via chemical precipitation method using two different precipitating agents i.e. ammonium hydroxide and sodium hydroxide. X-ray diffraction proved the formation of ferric oxide. Crystallite sizes of the materials A and B were 40 and 18 nm respectively. Surface morphology of sample B reveals that it has more adsorption sites in comparison to A. Further the pellets and thick films of materials A and Bwere prepared and investigated with the exposition of humidity from 10%RH to 90 %RH. It was found that the thick film prepared with material B was most sensitive among all having maximum average sensitivity 8.12 MΩ/%RH. Good sensitivity, less hysteresis, and reproducibility identify that fabricated humidity sensor (B) is promising for the device application.

Published in	Advances in Nanomaterials (Volume 1, Issue 1)
DOI	10.11648/j.an.20170101.14
Page(s)	16-21
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Humidity Sensor, Surface Morphology, Sensitivity, Nanomaterials

References

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APA Style

Richa Srivastava, Satyendra Singh, Nidhi Verma. (2017). Experimental Investigation on Humidity Sensing of Nanostructured Ferric Oxides. Advances in Nanomaterials, 1(1), 16-21. https://doi.org/10.11648/j.an.20170101.14

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ACS Style

Richa Srivastava; Satyendra Singh; Nidhi Verma. Experimental Investigation on Humidity Sensing of Nanostructured Ferric Oxides. Adv. Nanomater. 2017, 1(1), 16-21. doi: 10.11648/j.an.20170101.14

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AMA Style

Richa Srivastava, Satyendra Singh, Nidhi Verma. Experimental Investigation on Humidity Sensing of Nanostructured Ferric Oxides. Adv Nanomater. 2017;1(1):16-21. doi: 10.11648/j.an.20170101.14

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@article{10.11648/j.an.20170101.14,
  author = {Richa Srivastava and Satyendra Singh and Nidhi Verma},
  title = {Experimental Investigation on Humidity Sensing of Nanostructured Ferric Oxides},
  journal = {Advances in Nanomaterials},
  volume = {1},
  number = {1},
  pages = {16-21},
  doi = {10.11648/j.an.20170101.14},
  url = {https://doi.org/10.11648/j.an.20170101.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.an.20170101.14},
  abstract = {Nanostructured ferric oxides (A and B) were synthesized via chemical precipitation method using two different precipitating agents i.e. ammonium hydroxide and sodium hydroxide. X-ray diffraction proved the formation of ferric oxide. Crystallite sizes of the materials A and B were 40 and 18 nm respectively. Surface morphology of sample B reveals that it has more adsorption sites in comparison to A. Further the pellets and thick films of materials A and Bwere prepared and investigated with the exposition of humidity from 10%RH to 90 %RH. It was found that the thick film prepared with material B was most sensitive among all having maximum average sensitivity 8.12 MΩ/%RH. Good sensitivity, less hysteresis, and reproducibility identify that fabricated humidity sensor (B) is promising for the device application.},
 year = {2017}
}

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TY  - JOUR
T1  - Experimental Investigation on Humidity Sensing of Nanostructured Ferric Oxides
AU  - Richa Srivastava
AU  - Satyendra Singh
AU  - Nidhi Verma
Y1  - 2017/06/22
PY  - 2017
N1  - https://doi.org/10.11648/j.an.20170101.14
DO  - 10.11648/j.an.20170101.14
T2  - Advances in Nanomaterials
JF  - Advances in Nanomaterials
JO  - Advances in Nanomaterials
SP  - 16
EP  - 21
PB  - Science Publishing Group
UR  - https://doi.org/10.11648/j.an.20170101.14
AB  - Nanostructured ferric oxides (A and B) were synthesized via chemical precipitation method using two different precipitating agents i.e. ammonium hydroxide and sodium hydroxide. X-ray diffraction proved the formation of ferric oxide. Crystallite sizes of the materials A and B were 40 and 18 nm respectively. Surface morphology of sample B reveals that it has more adsorption sites in comparison to A. Further the pellets and thick films of materials A and Bwere prepared and investigated with the exposition of humidity from 10%RH to 90 %RH. It was found that the thick film prepared with material B was most sensitive among all having maximum average sensitivity 8.12 MΩ/%RH. Good sensitivity, less hysteresis, and reproducibility identify that fabricated humidity sensor (B) is promising for the device application.
VL  - 1
IS  - 1
ER  -

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Author Information

Richa Srivastava

Department of Engineering Physics, UIET, Babasaheb Bhimrao Ambedkar University, Lucknow, India; Nanomaterials and Sensors Research Laboratory, Department of Physics, University of Lucknow, Lucknow, India
Satyendra Singh

Nanomaterials and Sensors Research Laboratory, Department of Physics, University of Lucknow, Lucknow, India
Nidhi Verma

Nanomaterials and Sensors Research Laboratory, Department of Physics, University of Lucknow, Lucknow, India

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APA Style

Richa Srivastava, Satyendra Singh, Nidhi Verma. (2017). Experimental Investigation on Humidity Sensing of Nanostructured Ferric Oxides. Advances in Nanomaterials, 1(1), 16-21. https://doi.org/10.11648/j.an.20170101.14

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ACS Style

Richa Srivastava; Satyendra Singh; Nidhi Verma. Experimental Investigation on Humidity Sensing of Nanostructured Ferric Oxides. Adv. Nanomater. 2017, 1(1), 16-21. doi: 10.11648/j.an.20170101.14

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AMA Style

Richa Srivastava, Satyendra Singh, Nidhi Verma. Experimental Investigation on Humidity Sensing of Nanostructured Ferric Oxides. Adv Nanomater. 2017;1(1):16-21. doi: 10.11648/j.an.20170101.14

Copy | Download

@article{10.11648/j.an.20170101.14,
  author = {Richa Srivastava and Satyendra Singh and Nidhi Verma},
  title = {Experimental Investigation on Humidity Sensing of Nanostructured Ferric Oxides},
  journal = {Advances in Nanomaterials},
  volume = {1},
  number = {1},
  pages = {16-21},
  doi = {10.11648/j.an.20170101.14},
  url = {https://doi.org/10.11648/j.an.20170101.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.an.20170101.14},
  abstract = {Nanostructured ferric oxides (A and B) were synthesized via chemical precipitation method using two different precipitating agents i.e. ammonium hydroxide and sodium hydroxide. X-ray diffraction proved the formation of ferric oxide. Crystallite sizes of the materials A and B were 40 and 18 nm respectively. Surface morphology of sample B reveals that it has more adsorption sites in comparison to A. Further the pellets and thick films of materials A and Bwere prepared and investigated with the exposition of humidity from 10%RH to 90 %RH. It was found that the thick film prepared with material B was most sensitive among all having maximum average sensitivity 8.12 MΩ/%RH. Good sensitivity, less hysteresis, and reproducibility identify that fabricated humidity sensor (B) is promising for the device application.},
 year = {2017}
}

Copy | Download

TY  - JOUR
T1  - Experimental Investigation on Humidity Sensing of Nanostructured Ferric Oxides
AU  - Richa Srivastava
AU  - Satyendra Singh
AU  - Nidhi Verma
Y1  - 2017/06/22
PY  - 2017
N1  - https://doi.org/10.11648/j.an.20170101.14
DO  - 10.11648/j.an.20170101.14
T2  - Advances in Nanomaterials
JF  - Advances in Nanomaterials
JO  - Advances in Nanomaterials
SP  - 16
EP  - 21
PB  - Science Publishing Group
UR  - https://doi.org/10.11648/j.an.20170101.14
AB  - Nanostructured ferric oxides (A and B) were synthesized via chemical precipitation method using two different precipitating agents i.e. ammonium hydroxide and sodium hydroxide. X-ray diffraction proved the formation of ferric oxide. Crystallite sizes of the materials A and B were 40 and 18 nm respectively. Surface morphology of sample B reveals that it has more adsorption sites in comparison to A. Further the pellets and thick films of materials A and Bwere prepared and investigated with the exposition of humidity from 10%RH to 90 %RH. It was found that the thick film prepared with material B was most sensitive among all having maximum average sensitivity 8.12 MΩ/%RH. Good sensitivity, less hysteresis, and reproducibility identify that fabricated humidity sensor (B) is promising for the device application.
VL  - 1
IS  - 1
ER  -

Copy | Download