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3 October 2022 Highly sensitive detection of volatile organic compounds via surface plasmon polaritons tuned by vapor-phase deposited metal-organic framework thin films (Conference Presentation)
Max Lutz Tietze, Martin Obst, Giel Arnauts, Nathalie Wauteraerts, Sabina Rodríguez-Hermida, Rob Ameloot
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Proceedings Volume PC12210, Organic and Hybrid Sensors and Bioelectronics XV; PC122100C (2022) https://doi.org/10.1117/12.2633055
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States
Abstract
Metal-organic frameworks (MOFs) are promising materials for next-generation gas sensing technologies. The implementation of MOFs into scalable gas sensor designs is, however, challenging due to high demands on the MOF film quality. Here, we report the highly sensitive detection of volatile organic compounds by transducing the gas adsorption in MOF thin films, prepared by chemical vapor deposition (MOF-CVD), into surface plasmon polariton shifts. Resonances as sharp as 14 nm, record-breaking shifts larger than 150 nm upon methanol uptake, and a limit of detection below 1 ppm are shown. These findings demonstrate the potential of MOF-CVD thin films for future gas sensing concepts.
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Max Lutz Tietze, Martin Obst, Giel Arnauts, Nathalie Wauteraerts, Sabina Rodríguez-Hermida, and Rob Ameloot "Highly sensitive detection of volatile organic compounds via surface plasmon polaritons tuned by vapor-phase deposited metal-organic framework thin films (Conference Presentation)", Proc. SPIE PC12210, Organic and Hybrid Sensors and Bioelectronics XV, PC122100C (3 October 2022); https://doi.org/10.1117/12.2633055
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KEYWORDS
Thin films
Surface plasmon polaritons
Thin film deposition
Adsorption
Gas sensors
Gases
Micro optical fluidics
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