This paper reports on an optical nanoplasmonic hydrogen sensor that achieves a 100 ppm H₂ limit of detection in humid air (80% relative humidity) by combining elevated operating temperature with deep learning data analysis. The sensor utilizes Pd70Au30 alloy nanodisks and surpasses the US Department of Energy's performance target. It also meets ISO 26142:2010 stability requirements, demonstrating potential for use in high-humidity environments.
Publisher
Nature Communications
Published On
Feb 08, 2024
Authors
David Tomeček, Henrik Klein Moberg, Sara Nilsson, Athanasios Theodoridis, Iwan Darmadi, Daniel Midtvedt, Giovanni Volpe, Olof Andersson, Christoph Langhammer
Tags
hydrogen sensor
nanoplasmonics
deep learning
humidity
PdAu alloy
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