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High sensitivity H2S gas sensors using lead halide perovskite nanoparticles

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Date
2022-04-30
Author
Ahmad I., Ayesh, Alghamdi, S.A., Salah, Belal, Bennett, S.H., Crean, C., Sellin, P.J., Ayesh, Ahmad
Collections
Mathematics, Statistics & Physics
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Abstract
We report the development of a high sensitivity H2S gas sensor based on perovskite nanoparticles, which can be synthesized using relatively simple solution-growth methods. The gas sensor was fabricated from the metal halide perovskite formamidinium lead bromide (FAPbBr3), which exhibits a high sensitivity to H2S gas in the form of changes to the electrical conductivity. The response of the sensor to H2S gas showed a high sensitivity to gas concentrations in the range 0.5 – 100 ppm, with a fast response time of less than one minute under ambient room conditions.
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https://www.sciencedirect.com/science/article/pii/S2211379722001152
 http://hdl.handle.net/10576/27396