Peer-reviewed veterinary case report
Cascading Photoelectric Detecting and Chemiresistive Gas-Sensing Properties of Pb<sub>5</sub> S<sub>2</sub> I<sub>6</sub> Nanowire Mesh for Multi-Factor Accurate Fire Alarm.
- Year:
- 2022
- Authors:
- Huang GQ et al.
- Affiliation:
- Fujian Institute of Research on the Structure of Matter · China
Abstract
Accurate fire warning is very important for people's life and property safety. The most commonly used fire alarm is based on the detection of a single factor of gases, smoke particles, or temperature, which easily causes false alarm due to complex environmental conditions. A facile multi-factor route for fabricating an accurate analog fire alarm using a Pb<sub>5</sub> S<sub>2</sub> I<sub>6</sub> nanowire mesh based on its photoelectric and gas-sensing dual function is presented. The Pb<sub>5</sub> S<sub>2</sub> I<sub>6</sub> nanowire mesh presents excellent photoelectric detection capabilities and is sensitive to ppm-level NO<sub>2</sub> at room temperature. Under the "two-step verification" circuit of light and gas factors, the bimodal simulation fire alarm based on this Pb<sub>5</sub> S<sub>2</sub> I<sub>6</sub> nanowire mesh can resist the interference of complex environmental factors and effectively reduce the false alarm rate.
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Search related cases →Original publication: https://europepmc.org/article/MED/35732956