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Title: Carbon monoxide sensor and method of use

Abstract

A sensor and method of use for detection of low levels of carbon monoxide in gas mixtures. The approach is based on the change in an electrical property (for example: resistance) that occurs when carbon monoxide is selectively absorbed by a film of copper chloride (or other metal halides). The electrical property change occurs rapidly with both increasing and decreasing CO contents, varies with the amount of CO from the gas stream, and is insensitive to the presence of hydrogen. To make a sensor using this approach, the metal halide film will deposited onto an alumina substrate with electrodes. The sensor may be maintained at the optimum temperature with a thick film platinum heater deposited onto the opposite face of the substrate. When the sensor is operating at an appropriate (and constant) temperature, the magnitude of the electrical property measured between the interdigital electrodes will provide a measure of the carbon monoxide content of the gas.

Inventors:
; ; ;
Publication Date:
Research Org.:
The Ohio State University Research Foundation,Columbus, OH (United States) NexTech Materials, Ltd., Worthington, OH (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1175619
Patent Number(s):
6,985,082
Application Number:
09/903,916
Assignee:
The Ohio State University Research Foundation (Columbus, OH); NexTech Materials, Ltd. (Worthington, OH) OSTI
DOE Contract Number:  
FG02-99ER 86099
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Dutta, Prabir K., Swartz, Scott L., Holt, Christopher T., and Revur, Ramachandra Rao. Carbon monoxide sensor and method of use. United States: N. p., 2006. Web.
Dutta, Prabir K., Swartz, Scott L., Holt, Christopher T., & Revur, Ramachandra Rao. Carbon monoxide sensor and method of use. United States.
Dutta, Prabir K., Swartz, Scott L., Holt, Christopher T., and Revur, Ramachandra Rao. Tue . "Carbon monoxide sensor and method of use". United States. doi:. https://www.osti.gov/servlets/purl/1175619.
@article{osti_1175619,
title = {Carbon monoxide sensor and method of use},
author = {Dutta, Prabir K. and Swartz, Scott L. and Holt, Christopher T. and Revur, Ramachandra Rao},
abstractNote = {A sensor and method of use for detection of low levels of carbon monoxide in gas mixtures. The approach is based on the change in an electrical property (for example: resistance) that occurs when carbon monoxide is selectively absorbed by a film of copper chloride (or other metal halides). The electrical property change occurs rapidly with both increasing and decreasing CO contents, varies with the amount of CO from the gas stream, and is insensitive to the presence of hydrogen. To make a sensor using this approach, the metal halide film will deposited onto an alumina substrate with electrodes. The sensor may be maintained at the optimum temperature with a thick film platinum heater deposited onto the opposite face of the substrate. When the sensor is operating at an appropriate (and constant) temperature, the magnitude of the electrical property measured between the interdigital electrodes will provide a measure of the carbon monoxide content of the gas.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jan 10 00:00:00 EST 2006},
month = {Tue Jan 10 00:00:00 EST 2006}
}

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