The exploration of acetone gas sensors with excellent selectivity and high sensitivity is a critical challenge. The realization of specific adsorption of target gas by gas-sensitive materials and the ...

Gas sensors have become vital components in recent years, with applications ranging from environmental monitoring to industrial safety and healthcare due to their ability to detect and quantify gases.

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A wavelength modulation solid photoacoustic spectroscopic (WM-SPAS) sensor enhanced with an open-type multi-pass cell (OMPC) is reported for highly sensitive detection of trace gases, especially ...