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DFT study of the CO2 and CH4 assisted adsorption on the surface of graphene

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F19%3A00517207" target="_blank" >RIV/61388955:_____/19:00517207 - isvavai.cz</a>

  • Result on the web

    <a href="http://hdl.handle.net/11104/0302723" target="_blank" >http://hdl.handle.net/11104/0302723</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.elspec.2018.11.006" target="_blank" >10.1016/j.elspec.2018.11.006</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    DFT study of the CO2 and CH4 assisted adsorption on the surface of graphene

  • Original language description

    Density functional theory calculations are implemented to study the interaction of CO2 and CH4 molecules with an intrinsic graphene and a tetracyanoethylene (TCNE) modified graphene surface. The strength of the interactions is investigated by the adsorption energies (E-ads) of the molecules on the graphene surface and the changes of the electronic structures (especially by HOMO/LUMO energy gap (E-g)) of graphene. The analysis of E-ads shows that the interaction of both CO2 and CH4 with TCNE modified graphene is more favorable. It is assumed that a TCNE molecule can affect the interactions of the molecules with the graphene sheet by reducing the charge accumulation over the graphene surface. However, despite the increase in the strength of interactions, the changes in the electronic properties of both intrinsic and modified graphene is not high enough to consider them as a potential CO2 or CH4 gas detector. However, the considerable amount of E-ads in TCNE modified graphene might be a guide to the design of graphene-based adsorbents of CO2 and CH4 molecules.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10403 - Physical chemistry

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Electron Spectroscopy and Related Phenomena

  • ISSN

    0368-2048

  • e-ISSN

  • Volume of the periodical

    232

  • Issue of the periodical within the volume

    APR 2019

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    6

  • Pages from-to

    105-110

  • UT code for WoS article

    000463979300016

  • EID of the result in the Scopus database

    2-s2.0-85056729085