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This is a Experimental Study study.

October 2, 2025ACS Sensors

Regulating the d-Band Center of an FeCu/NC Dual-Metal Catalyst for Self-Powered and Smart Sensing of Oxidizing and Reducing Gas

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Fabrication of a dual-metal catalyst improves NO2 and H2S detection, suggesting advancements in smart sensing systems.

Sensors demonstrate a high NO2 response of 0.16 V at 10 ppm, indicating promising performance in gas detection.
The detection limits are impressive at 10 ppb for NO2 and 25 ppm for H2S, showcasing the catalyst's effectiveness.
A dual-metal FeCu/NC catalyst shifts the d-band center, enhancing adsorption and reducing the energy barrier for reactions.
Wireless information transmission capabilities enable remote gas monitoring, expanding the functional potential of sensing systems.

Wang et al. (2025) studied this question.

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