Development and measurement of gas sensors based on diamond and transition metal dichalcogenide materials

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F21%3A00546604" target="_blank" >RIV/68378271:_____/21:00546604 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21230/21:00351701
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Development and measurement of gas sensors based on diamond and transition metal dichalcogenide materials
Original language description
Gas sensing properties of a nanocrystalline diamond with hydrogen-terminated surface (H-NCD) and a transition metal dichalcogenide (TMD) are investigated as conductivity sensors employing device design with built-in interdigital metal electrode structures. The TMDs were prepared by a carbide-free one-zone sulfurization method directly on the SiO2/Si or NCD/Si substrates. On the individual level, the sensors showed a notable electrical response to the examined gas types, i.e., oxidizing (NO2) and reducing (NH3) gases. For reference, commercially available sensor was used (conductive SnO2 or infra-red type). Advantageously, it was found that the NCD/TMD heterostructure results in enhanced signal stability and gas sensing response at room temperature compared to both bare TMD and H-NCD layers.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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