Confined linear carbon chains as a route to bulk carbyne
Meyer, J. C.
Lapin, Z. J.
Nature Publishing Group
634 - 639
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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.
High resolution transmission electron microscopy
Transmission electron microscopy
X ray diffraction
Double walled carbon nanotubes
Resonance Raman spectroscopy
Multiwalled carbon nanotubes (MWCN)
Published Version (Please cite this version)https://doi.org/10.1038/nmat4617
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