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On the transition of reaction pathway during microwave plasma gas-phase synthesis of graphene nanosheets: From amorphous to highly crystalline structure

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F21%3A00119049" target="_blank" >RIV/00216224:14310/21:00119049 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216305:26310/21:PU141279

  • Result on the web

    <a href="https://doi.org/10.1002/ppap.202100008" target="_blank" >https://doi.org/10.1002/ppap.202100008</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/ppap.202100008" target="_blank" >10.1002/ppap.202100008</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    On the transition of reaction pathway during microwave plasma gas-phase synthesis of graphene nanosheets: From amorphous to highly crystalline structure

  • Original language description

    Fourier-transform infrared spectroscopy and proton-transfer-reaction–mass spectrometry are used in a complementary way to study gas-phase processes during decomposition of ethanol in a microwave plasma torch. Decomposition products (C, C2 and simple hydrocarbons) reassemble into higher hydrocarbons and graphene nuclei and further grow into graphene nanosheets (GNS). Depending on microwave power, ethanol flow rate and molecular gas admixture, the material structure changes from amorphous to crystalline. The presence of C2n + 1Hy species was found to be responsible for the formation of defects in the GNS structure. O2 and H2 admixtures change the gas temperature axial profile and consequently modify reaction pathways influencing growth and production rate of GNS. Determination of reaction pathway selectivity enables us to predict whether high-quality or defective GNS are produced.

  • 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

    10305 - Fluids and plasma physics (including surface physics)

Result continuities

  • 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)

Others

  • Publication year

    2021

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Plasma processes and polymers

  • ISSN

    1612-8850

  • e-ISSN

  • Volume of the periodical

    18

  • Issue of the periodical within the volume

    8

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    22

  • Pages from-to

    „e2100008“

  • UT code for WoS article

    000656367600001

  • EID of the result in the Scopus database

    2-s2.0-85107329813