Minimally cooled InSb/InAlSb LED and photodiode devices applied to nitrogen dioxide detection at ppm levels

J. G. Crowder; T. Ashley; C. T. Elliott; G. J. Pryce; A. D. Johnson

doi:10.1049/el:20001300

Minimally cooled InSb/InAlSb LED and photodiode devices applied to nitrogen dioxide detection at ppm levels

J. G. Crowder, T. Ashley, C. T. Elliott, G. J. Pryce, A. D. Johnson

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

The application of room temperature indium LED and photodiode devices, to the detection of nitrogen dioxide, using infrared absorption, is reported. With the photodiodes minimally cooled to -20 °C for improved sensitivity, a resolution of 3 ppm for nitrogen dioxide detection is achieved, using a path length of 4 m. The potential applications of the photodiodes include air pollution monitoring and measuring emissions from power flues and vehicle exhausts.

Original language	English
Pages (from-to)	1867-1869
Number of pages	3
Journal	Electronics Letters
Volume	36
Issue number	22
DOIs	https://doi.org/10.1049/el:20001300
Publication status	Published - 26 Oct 2000

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10.1049/el:20001300

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abstract = "The application of room temperature indium LED and photodiode devices, to the detection of nitrogen dioxide, using infrared absorption, is reported. With the photodiodes minimally cooled to -20 °C for improved sensitivity, a resolution of 3 ppm for nitrogen dioxide detection is achieved, using a path length of 4 m. The potential applications of the photodiodes include air pollution monitoring and measuring emissions from power flues and vehicle exhausts.",

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AU - Johnson, A. D.

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AB - The application of room temperature indium LED and photodiode devices, to the detection of nitrogen dioxide, using infrared absorption, is reported. With the photodiodes minimally cooled to -20 °C for improved sensitivity, a resolution of 3 ppm for nitrogen dioxide detection is achieved, using a path length of 4 m. The potential applications of the photodiodes include air pollution monitoring and measuring emissions from power flues and vehicle exhausts.

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Minimally cooled InSb/InAlSb LED and photodiode devices applied to nitrogen dioxide detection at ppm levels

Abstract

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