Best of both worlds: New organic–inorganic gas sensors for better air quality monitoring

This article from Science Daily written by Incheon National University

With air pollution on the rise, especially in densely populated urban areas, testing for air quality and the presence of pollutant gases, such as carbon dioxide, nitrogen dioxide (NO2), and carbon monoxide, have become more important than ever. Sensitive gas sensing and monitoring technologies are, therefore, a pressing need.

Of much recent research interest in this field are the novel organic field-effect transistor-based (OFET) sensors, which are highly sensitive, flexible, and lightweight, opening doors to portable gas sensors even on e-skins. However, OFETs are unstable, and therefore not durable, at room temperature. This limits their applicability and makes them inferior to existing inorganic sensors, which nonetheless, do not possess any of the flexibility and light weight of organic sensors.

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Source: Incheon National University. “Best of both worlds: New organic–inorganic gas sensors for better air quality monitoring.” ScienceDaily. ScienceDaily, 23 August 2021. <www.sciencedaily.com/releases/2021/08/210823125714.htm>

 

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