2024
DOI: 10.1021/acsaom.4c00138
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Optical Response of PDMS Surface Diffraction Gratings under Exposure to Volatile Organic Compounds

Aleksandra Hernik,
Faolan Radford McGovern,
Izabela Naydenova

Abstract: Monitoring volatile organic compounds (VOCs) in indoor air is significantly gaining importance due to their adverse effects on human health. Among the diverse detection methods is optical sensing, which employs materials sensitive to the presence of gases in the environment. In this work, we investigate polydimethylsiloxane (PDMS), one of the materials utilized for gas sensing, in a novel transducer: a surface relief diffraction grating. Upon adsorption of the volatile analyte, the PDMS grating swells, and its… Show more

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Cited by 2 publications
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