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Surface residence and uptake of methyl chloride and methyl alcohol at the air/water interface studied by vibrational sum frequency spectroscopy and molecular dynamics

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388963%3A_____%2F09%3A00324709" target="_blank" >RIV/61388963:_____/09:00324709 - isvavai.cz</a>

  • Alternative codes found

    RIV/67179843:_____/09:00324709 RIV/60076658:12640/09:00010058

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Surface residence and uptake of methyl chloride and methyl alcohol at the air/water interface studied by vibrational sum frequency spectroscopy and molecular dynamics

  • Original language description

    Vibrational SFG spectroscopy and molecular dynamics simulations are used to study the surface residence and organization of gas-phase methyl halide and methyl alcohol molecules adsorbed to the air/water interface, while Raman spectroscopy is used to detect the uptake of the gas-phase species into the bulk aqueous phase. Spectroscopy results reveal the presence of methyl alcohol in the bulk and at the surface. Methyl chloride is detected in the bulk, but not at the surface. MD simulations show that methyl halide molecules transition readily between the gas phase and interface, resulting in significantly shorter residence times at the surface for the methyl halides relative to methyl alcohol.

  • Czech name

    Povrchový výskyt a absorpce metyl chloridu a metyl alkoholu na rozhraní vzduch/voda studovaný pomocí vibrační SFG spektroskopie a molekulové dynamiky

  • Czech description

    Pomocí vibrační SFG spektroskopie a molekulové dynamiky byl studován povrchový výskyt a organizace plynného metyl halidu a metyl alkoholu adsorbovaných na rozhraní vzduch/voda. Ramanova spektroskopie byla použita k detekci absorpce těchto plynů do vodnéfaze. Spektroskopické výsledky ukázaly přítomnost metyl alkoholu jak ve vodné fázi, tak na povrchu. Metyl chloride byl detekován pouze ve vodné fázi, nikoli však na povrchu. MD simulace ukázaly, že molekuly metyl halidů snadno desorbují z povrchu kapaliny do plynné faze, a mají tudíž mnohem podstatně kratší residenční časy na povrchu oproti metyl alkoholu.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CF - Physical chemistry and theoretical chemistry

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2009

  • 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 Physical Chemistry A

  • ISSN

    1089-5639

  • e-ISSN

  • Volume of the periodical

    113

  • Issue of the periodical within the volume

    10

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    10

  • Pages from-to

  • UT code for WoS article

    000263974800017

  • EID of the result in the Scopus database