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Development and measurement of gas sensors for room temperature applications
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SYSNO ASEP 0557351 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Development and measurement of gas sensors for room temperature applications Author(s) Kočí, Michal (FZU-D) ORCID Source Title Proceedings of the Student International Conference on Electrical Engineering /26./. - Prague : Czech Technical University in Prague, 2022 / Husník L. - ISBN 978-80-01-06992-9 Pages s. 70-72 Number of pages 3 s. Publication form Online - E Action Student International Conference on Electrical Engineering - POSTER 2022 /26./ Event date 12.05.2022 - 12.05.2022 VEvent location Prague Country CZ - Czech Republic Event type EUR Language eng - English Country CZ - Czech Republic Keywords gas sensor ; nanocrystalline diamond (NCD) ; transition metal dichalcogenide (TMD) Subject RIV JB - Sensors, Measurment, Regulation OECD category Materials engineering Institutional support FZU-D - RVO:68378271 Annotation Gas sensing properties of a nanocrystalline diamond with a hydrogen-terminated surface (H-terminated NCD) and a molybdenum disulphide (MoS2) are investigated as conductivity sensors with built-in interdigital metal electrode structures. The H-terminated NCD was prepared by plasma-enhanced chemical vapour deposition (PECVD), and the MoS2 by a carbide-free one-zone sulfurization method. The sensor's responses were measured for oxidizing (NO2) and reducing (NH3) gases by the same equipment and setup. The parameters of the tested sensors are compared and critically evaluated. Advantageously, the MoS2/H-terminated NCD heterostructure enhances the gas sensing response at room temperature compared to the H-terminated NCD and MoS2 layers. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2023 Electronic address http://poseidon2.feld.cvut.cz/conf/poster/proceedings/POSTER_2022.pdf
Number of the records: 1