Electrical Impedance Response of a Thick-Thin film Hybrid Anodic Nanoporous Alumina Sensor to Methanol Vapors.

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International Journal on Smart Sensing and Intelligent Systems

Professor Subhas Chandra Mukhopadhyay

Exeley Inc. (New York)

Subject: Computational Science & Engineering , Engineering, Electrical & Electronic

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VOLUME 1 , ISSUE 2 (June 2008) > List of articles

Electrical Impedance Response of a Thick-Thin film Hybrid Anodic Nanoporous Alumina Sensor to Methanol Vapors.

Christopher Radzik / G. Martin Kocanda / Michael Haji-Sheikh / David S.Ballantine

Keywords : Nano-pores, hybrid thick film, sensors, methanol, AAO, Electrical Impedance Spectroscopy, Nyquist Plot, Cole-Cole Plot, Impedance

Citation Information : International Journal on Smart Sensing and Intelligent Systems. Volume 1, Issue 2, Pages 470-479, DOI: https://doi.org/10.21307/ijssis-2017-302

License : (CC BY-NC-ND 4.0)

Published Online: 13-December-2017

ARTICLE

ABSTRACT

The response of an anodic aluminum oxide (AAO) nanoporous humidity sensor to an organic vapor such as methanol is presented in this paper. Sensors constructed at Northern Illinois University were exposed to various organic vapors. The characteristic response of the sensor to various vapor dilutions was analyzed using real and complex impedance parameters.

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REFERENCES

[1] Elizabeth C. Dickey,*, Oomman K. Varghese1, Keat G. Ong, Dawei Gong, Maggie Paulose and Craig A.Grimes, “Room Temperature Ammonia and Humidity Sensing Using Highly Ordered Nanoporous Alumina Films”,Sensors 2002, 2, 91-110
[2] Haji-Sheikh, M.J., Andersen, M., Ervin, J. “Anodic nano-porous humidity sensing thin films for the commercial and industrial applications “Industry Applications Conference, 2004. 39th IAS Annual Meeting. Conference Record of the 2004 IEEE” Publication Date: 3-7 Oct. 2004Volume: 2, On page(s): 1207- 1210 vol.2
[3] R. J. Lazarowich , P. Taborek, B. Y. Yoo and N. V. Myung,, “Fabrication of Porous Alumina on Quartz Crystal Microbalances”, gibbs.ps.uci.edu/labpage/publications/preprints/alumina2.pdf
[4] Oomman K. Varghese, Dawei Gong, William R. Dreschel, Keat G. Ong, Craig A. Grimes, “Ammonia detection using nanoporous alumina resistive and surface acoustic wave sensors”, Sensors and Actuators B 94 (2003) 27–35.
[5] Niloy Mukherjee, Maggie Paulose, Oomman K. Varghese, G.K. Mor, and Craig A. Grimes,”Fabrication of nanoporous tungsten oxide by galvanostatic anodization.”, J. Mater. Res., Vol. 18, No. 10, Oct 2003, pp. 2296-2299
[6] Gamry Instrument Company, application note, “Basics of Electrical Impedance Spectroscopy”, 31pp, http://www.gamry.com.

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