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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/68104

    Título
    Functional carbon nanosheets prepared from hexayne amphiphile monolayers at room temperature
    Autor
    Schrettl, Stephen
    Stefaniu, Cristina
    Schwieger, Christian
    Pasche, Guillaume
    Oveisi, Emad
    Fontana, Yannik
    Fontcuberta i Morral, Anna
    Reguera Gómez, JavierAutoridad UVA Orcid
    Petraglia, Riccardo
    Corminboeuf, Clémence
    Brezesinski, Gerald
    Frauenrath, Holger
    Año del Documento
    2014
    Documento Fuente
    Nat. Chem. 2014, 6, 468-476
    Abstract
    Carbon nanostructures that feature two-dimensional extended nanosheets are important components for technological applications such as high-performance composites, lithium-ion storage, photovoltaics and nanoelectronics. Chemical functionalization would render such structures better processable and more suited for tailored applications, but typically this is precluded by the high temperatures needed to prepare the nanosheets. Here, we report direct access to functional carbon nanosheets of uniform thickness at room temperature. We used amphiphiles that contain hexayne segments as metastable carbon precursors and self-assembled these into ordered monolayers at the air/water interface. Subsequent carbonization by ultraviolet irradiation in ambient conditions resulted in the quantitative carbonization of the hexayne sublayer. Carbon nanosheets prepared in this way retained their surface functionalization and featured an sp2-rich amorphous carbon structure comparable to that usually obtained on annealing above 800 8C. Moreover, they exhibited a molecularly defined thickness of 1.9 nm, were mechanically self-supporting over several micrometres and had macroscopic lateral dimensions on the order of centimetres.
    ISSN
    1755-4330
    Revisión por pares
    SI
    DOI
    10.1038/nchem.1939
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/68104
    Tipo de versión
    info:eu-repo/semantics/acceptedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • DEP32 - Artículos de revista [284]
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    Universidad de Valladolid

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