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      Confined linear carbon chains as a route to bulk carbyne

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      Author(s)
      Shi, L.
      Rohringer, P.
      Suenaga, K.
      Niimi, Y.
      Kotakoski, J.
      Meyer, J. C.
      Peterlik, H.
      Wanko, M.
      Cahangirov, S.
      Rubio, A.
      Lapin, Z. J.
      Novotny, L.
      Ayala, P.
      Pichler, T.
      Date
      2016-04
      Source Title
      Nature Materials
      Print ISSN
      1476-1122
      Publisher
      Nature Publishing Group
      Volume
      15
      Issue
      6
      Pages
      634 - 639
      Language
      English
      Type
      Article
      Item Usage Stats
      241
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      607
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      Abstract
      Strong chemical activity and extreme instability in ambient conditions characterize carbyne, an infinite sp1 hybridized carbon chain. As a result, much less has been explored about carbyne as compared to other carbon allotropes such as fullerenes, nanotubes and graphene. Although end-capping groups can be used to stabilize carbon chains, length limitations are still a barrier for production, and even more so for application. We report a method for the bulk production of long acetylenic linear carbon chains protected by thin double-walled carbon nanotubes. The synthesis of very long arrangements is confirmed by a combination of transmission electron microscopy, X-ray diffraction and (near-field) resonance Raman spectroscopy. Our results establish a route for the bulk production of exceptionally long and stable chains composed of more than 6,000 carbon atoms, representing an elegant forerunner towards the final goal of carbyne's bulk production.
      Keywords
      Chains
      High resolution transmission electron microscopy
      Nanotubes
      Transmission electron microscopy
      X ray diffraction
      Yarn
      Ambient conditions
      Bulk production
      Carbon allotropes
      Carbon chains
      Chemical activities
      Double walled carbon nanotubes
      Linear carbon
      Resonance Raman spectroscopy
      Multiwalled carbon nanotubes (MWCN)
      Permalink
      http://hdl.handle.net/11693/36704
      Published Version (Please cite this version)
      https://doi.org/10.1038/nmat4617
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      • Institute of Materials Science and Nanotechnology (UNAM) 2256
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