Eye readable metal hydride based hydrogen tape sensor for health applications

Peter Ngene; Tsveta Radeva; Ruud Westerwaal; Herman Schreuders; Bernard Dam

doi:10.1117/12.2059835

5 September 2014 Eye readable metal hydride based hydrogen tape sensor for health applications

Peter Ngene, Tsveta Radeva, Ruud Westerwaal, Herman Schreuders, Bernard Dam

Proceedings Volume 9202, Photonics Applications for Aviation, Aerospace, Commercial, and Harsh Environments V; 920203 (2014) https://doi.org/10.1117/12.2059835
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

Using the change in the intrinsic optical properties of YMg-based thin films upon exposure to hydrogen, we observe the presence of hydrogen at concentrations as low as 20 ppm just by a change in color. The eye-visible color change circumvents the use of any electronics in this device, thereby making it an inexpensive H₂ detector. The detector shows high selectivity towards H₂ in H₂-O₂ - mixtures, and responds within 20 s to 0.25% H₂ in the presence of 18% O₂.

Citation Download Citation

Peter Ngene, Tsveta Radeva, Ruud Westerwaal, Herman Schreuders, and Bernard Dam "Eye readable metal hydride based hydrogen tape sensor for health applications", Proc. SPIE 9202, Photonics Applications for Aviation, Aerospace, Commercial, and Harsh Environments V, 920203 (5 September 2014); https://doi.org/10.1117/12.2059835

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