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The detection of hydrogen with a nanotube structured sensor

Type of Publication
Year of Publication
2007
Authors

H. Gu; A. Polar; H. Wang; J.E. Indacochea; M.L. Wang

ISBN Number

0277-786X 978-0-8194-6650-1

Abstract

The employment of hydrogen has shown a lot of promises as an alternative for conventional fuel sources. However, if not handled properly, hydrogen content as low as 4%2can lead to a life-threatening catastrophe. Some sensors for hydrogen detection have already been built to address this safety issue. Unlike most of the traditional hydrogen sensors, the sensor developed in this study features high sensitivity, fast response, miniature size, and the ability to detect hydrogen under room temperature. The sensor template has a special nanoporous structure, coming from self assembled aluminum oxide after anodization process. Deposition of palladium particles into the nanopores brings superb hydrogen sensing ability by introducing a granular structure of sensing particles. The sensor prototype has been tested under controlled atmosphere with varying hydrogen concentrations.

DOI

10.1117/12.715317

Volume

6529

Notes

Times Cited: 0 Conference on Sensors and Smart Structures Technologies for Civil, Mechanical and Aerospace Systems Mar 19-22, 2007 San Diego, CA SPIE; Amer Soc Mech Engineers 0

Pagination

U613-U621

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