期刊
NATURE MATERIALS
卷 15, 期 6, 页码 634-+出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/NMAT4617
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资金
- Austrian Science Fund (FWF) [943-N19]
- China Scholarship Council
- European Research Council [336453-PICOMAT]
- FWF [MA14-009]
- Marie Curie Grant FP7-PEOPLE-IEF project [628876]
- European Research Council Advanced Grant DYNamo [ERC-2010-AdG-267374]
- POCAONTAS [316633]
- MINECO [FIS2013-46159-C3-1-P]
- Grupo Consolidado UPV/EHU del Gobierno Vasco [IT578-13]
- AFOSR [FA2386-15-1-0006 AOARD 144088]
- COST Action [MP1306]
- Swiss National Science Foundation [CR2212-152944]
- Austrian Science Fund (FWF) [I 943] Funding Source: researchfish
Strong chemical activity and extreme instability in ambient conditions characterize carbyne, an infinite sp(1) 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.
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