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Hydrogen Sensors
In article number 2112379, Tanja Bauer, Karl Mandel, and co‐workers, demonstrate micrometer‐sized supraparticles for rapid real‐time monitoring and irreversible recording of H2 gas via a distinct, eye‐readable two‐step color change. Key for the functionality is a three‐phase system within the mesoporous, multi‐component supraparticles. The supraparticles are an attractive safety additive...
Indicators for H2 are crucial to ensure safety standards in a green hydrogen economy. Herein, the authors report micron‐scaled indicator supraparticles for real‐time monitoring and irreversible recording of H2 gas via a rapid eye‐readable two‐step color change. They are produced via spray‐drying SiO2 nanoparticles, AuPd nanoparticles, and indicator‐dye resazurin. The resulting gas‐accessible mesoporous...
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