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Diamond and 2D material heterostructures as a platform for room temperature detection of gases
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SYSNO ASEP 0600832 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Diamond and 2D material heterostructures as a platform for room temperature detection of gases Author(s) Kočí, Michal (FZU-D) ORCID, RID
Szabó, Ondrej (FZU-D) ORCID, RID
Izsák, T. (SK)
Godzierz, M. (PL)
Wróbel, P. (PL)
Vanko, G. (SK)
Sojková, M. (SK)
Kromka, Alexander (FZU-D) RID, ORCID, SAI
Husák, M. (CZ)Number of authors 9 Source Title Proceedings of ADEPT - ADEPT 2024. - Žilina : University of Žilina, 2024 / Feiler M. ; Ziman M. ; Kováčová S. ; Kováč, jr. J. - ISBN 978-80-554-2109-4 Pages s. 69-72 Number of pages 4 s. Publication form Online - E Action International Conference on Advances in Electronic and Photonic Technologies /12./ - ADEPT 2024 Event date 24.06.2024 - 27.06.2024 VEvent location Podbanské Country SK - Slovakia Event type EUR Language eng - English Country SK - Slovakia Keywords gas sensors ; heterostructure composites ; hydrogen-terminated nanocrystalline diamond ; molybdenum disulfide ; thiol-functionalized graphene oxide Subject RIV JB - Sensors, Measurment, Regulation OECD category Materials engineering R&D Projects EH22_008/0004596 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support FZU-D - RVO:68378271 Annotation Heterostructure composite sensors utilize different parameters, resulting in improved response, selectivity, and reproducibility compared to pure materials. Ensuring clean air is fundamental for upholding a favorable quality of life on Earth. Supporting that knowledge, we present here an advanced material platform for room temperature conductivity gas sensors based on H-NCD films combined with a second gas-sensitive material, such as MoS2, rGO, SH-GO, or Au NPs. This platform supports the knowledge of gas sensing technology. Most of these diamond-based heterostructures based on diamonds exhibited improved gas sensing parameters and demonstrated a significant electrical response to gases at room temperature. In particular, the combination of SH-GO / H-NCD (two p-type materials) showed up to 630 % response for ethanol vapor. The synthesis of individual layers and measurement of sensor parameters are presented, and comparison and critical evaluation of responses. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2025
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