PdPt bimetallic decorated TiO₂ nanosheets

ppb-level CO/H₂ sensing

In-situ decoration with Sn modification strengthens bimetallic-support interaction, enhancing catalytic sensitization for CO and H₂ and improving sensor stability.

Li, Gaojie · Xinxin, Wang · Quanan, Li · Xu, Jiaqiang · Li, Gaojie

Applied Surface Science 2024

Advantages

Operating temperature 200 °C

Detection limit reaches ppb level

Enhanced sensitivity and selectivity for CO and H₂

Improved stability compared to conventionally prepared sensor