Metal–Organic Framework-Derived Au-Doped In2O3 Nanotubes for Monitoring CO at the ppb Level
Fan Zhao,
Lingmin Yu,
Jingfeng Wang
et al.
Abstract:Achieving selective detection of ppb-level CO is important for air quality testing at industrial sites to ensure personal safety. Noble metal doping enhances charge transfer, which in turn reduces the detection limit of metal oxide gas sensors. In this work, metal−organic framework-derived Au-doped In 2 O 3 nanotubes with high electrical conductivity are synthesized by pyrolysis of the Au-doped metal− organic framework (In-MIL-68) as a template. Gas-sensing experiments reveal that the detection limit of 0.2% A… Show more
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