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  • The graphene is suitable for gas sensing applications for its two dimensional character which gives the best possible ratio between sensor surface and volume. The interaction between graphene surface and gas molecules can significantly change the graphene layer transport properties. Therefore graphene can serve as a sensitive layer in a gas sensor. This work is concentrated on the analysis of the conductivity of graphene layer exposed to different gases (NH3, CO2 etc.). Together with the electrical measurement on the interdigital graphene sensor a simulation based on quantum atomistic approach has been performed. We used ATK toolkit by Quantuwise based on density functional theory (DFT) models. The exchange-correlation potential is approximated within the generalized gradient approximation (GGA). The transport properties of the electrode-device-electrode geometry were calculated by means of non-equilibrium Green’s function formalism as implemented in ATK. Experimental conductivity changes are compared with the simulation results
  • The graphene is suitable for gas sensing applications for its two dimensional character which gives the best possible ratio between sensor surface and volume. The interaction between graphene surface and gas molecules can significantly change the graphene layer transport properties. Therefore graphene can serve as a sensitive layer in a gas sensor. This work is concentrated on the analysis of the conductivity of graphene layer exposed to different gases (NH3, CO2 etc.). Together with the electrical measurement on the interdigital graphene sensor a simulation based on quantum atomistic approach has been performed. We used ATK toolkit by Quantuwise based on density functional theory (DFT) models. The exchange-correlation potential is approximated within the generalized gradient approximation (GGA). The transport properties of the electrode-device-electrode geometry were calculated by means of non-equilibrium Green’s function formalism as implemented in ATK. Experimental conductivity changes are compared with the simulation results (en)
Title
  • The Study of Graphene Gas Sensor
  • The Study of Graphene Gas Sensor (en)
skos:prefLabel
  • The Study of Graphene Gas Sensor
  • The Study of Graphene Gas Sensor (en)
skos:notation
  • RIV/68407700:21230/14:00209826!RIV15-MSM-21230___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GAP108/11/0894), S
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 48270
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21230/14:00209826
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • graphene; gas sensor (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [442F7B92DFE0]
http://linked.open...v/mistoKonaniAkce
  • Praha
http://linked.open...i/riv/mistoVydani
  • Zürich
http://linked.open...i/riv/nazevZdroje
  • IC-MAST - 3rd International Conference on Materials and Applications for Sensors and Transducers
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Náhlík, Josef
  • Voves, Jan
  • Kroutil, Jiří
  • Laposa, Alexandr
http://linked.open...vavai/riv/typAkce
http://linked.open...ain/vavai/riv/wos
  • 000348035600122
http://linked.open.../riv/zahajeniAkce
issn
  • 1013-9826
number of pages
http://bibframe.org/vocab/doi
  • 10.4028/www.scientific.net/KEM.605.495
http://purl.org/ne...btex#hasPublisher
  • Transtech Publications
https://schema.org/isbn
  • 9783038350514
http://localhost/t...ganizacniJednotka
  • 21230
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