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Highly Conductive Graphene Nanoribbons by Longitudinal Splitting of Carbon Nanotubes Using Potassium Vapor
Abstract
Here we demonstrate that graphene nanoribbons (GNRs) free of oxidized surfaces can be prepared in large batches and 100% yield by splitting multiwalled carbon nanotubes (MWCNTs) with potassium vapor. If desired, exfoliation is attainable in a subsequent step using chlorosulfonic acid. The low-defect density of these GNRs is indicated by their electrical conductivity, comparable to that of graphene derived from mechanically exfoliated graphite. The possible origins of directionally selective splitting of MWCNTs have been explored using computer modeling, and plausible explanations for the unique role of potassium were found.
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Cites
Two-dimensional gas of massless Dirac fermions in graphene
Novoselov, K. S., Geim, A. K., Morozov, S. V., Jiang, D., Katsnelson, M. I., Grigorieva, I. V., Dubonos, S. V., & Firsov, A. A. (2005) · Nature · doi:10.1038/nature04233 · Cited by 21,611
Narrow graphene nanoribbons from carbon nanotubes
Jiao, L., Zhang, L., Wang, X., Diankov, G., & Dai, H. (2009) · Nature · doi:10.1038/nature07919 · Cited by 2,441
Cited by
Electrochemistry of Graphene and Related Materials
Ambrosi, A., Chua, C. K., Bonanni, A., & Pumera, M. (2014) · Chemical Reviews · doi:10.1021/cr500023c · Cited by 1,208
Atomically Thin Boron Nitride: Unique Properties and Applications
Li, L. H., & Chen, Y. (2016) · Advanced Functional Materials · doi:10.1002/adfm.201504606 · Cited by 499
Metadata
- Authors
- Kosynkin, D. V., Lu, W., Sinitskii, A., Pera, G., Sun, Z., & Tour, J. M.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-01-04
- Volume
- 5
- Issue
- 2
- Pages
- 968-974
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2316188089
- Cited by
- 228
- References
- 2
- FWCI
- 14.87
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kosynkin, D. V., Lu, W., Sinitskii, A., Pera, G., Sun, Z., & Tour, J. M. (2011). Highly Conductive Graphene Nanoribbons by Longitudinal Splitting of Carbon Nanotubes Using Potassium Vapor. ACS Nano. https://doi.org/10.1021/nn102326c
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