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Scientists find that a 10-millisecond flash could help build more sensitive gas sensors
Nitrogen dioxide is a harmful gas that requires sensitive detection. Researchers used intense light pulses lasting 10 milliseconds to make molybdenum disulfide flakes and anchor isolated metal atoms in one step.
Summary
Nitrogen dioxide is a harmful gas that requires sensitive detection. Researchers used intense light pulses lasting 10 milliseconds to make molybdenum disulfide flakes and anchor isolated metal atoms in one step. Adding platinum improved the material's room-temperature response to nitrogen dioxide, reaching 100.8% at 400 parts per billion and a detection limit of 17.2 parts per billion. This approach could support advanced gas sensors and applications in catalysis and energy technologies.
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