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Article: Facile synthesis of high-quality graphene nanoribbons
Title | Facile synthesis of high-quality graphene nanoribbons |
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Authors | |
Issue Date | 2010 |
Citation | Nature Nanotechnology, 2010, v. 5, n. 5, p. 321-325 How to Cite? |
Abstract | Graphene nanoribbons have attracted attention because of their novel electronic and spin transport properties, and also because nanoribbons less than 10nm wide have a bandgap that can be used to make field-effect transistors. However, producing nanoribbons of very high quality, or in high volumes, remains a challenge. Here, we show that pristine few-layer nanoribbons can be produced by unzipping mildly gas-phase oxidized multiwalled carbon nanotubes using mechanical sonication in an organic solvent. The nanoribbons are of very high quality, with smooth edges (as seen by high-resolution transmission electron microscopy), low ratios of disorder to graphitic Raman bands, and the highest electrical conductance and mobility reported so far (up to 5e2 /h and 1,500cm-2 V-1 s-1 for ribbons 10-20nm in width). Furthermore, at low temperatures, the nanoribbons show phase-coherent transport and Fabry-Perot interference, suggesting minimal defects and edge roughness. The yield of nanoribbons is ∼2% of the starting raw nanotube soot material, significantly higher than previous methods capable of producing high-quality narrow nanoribbons. The relatively high-yield synthesis of pristine graphene nanoribbons will make these materials easily accessible for a wide range of fundamental and practical applications. © 2010 Macmillan Publishers Limited. All rights reserved. |
Persistent Identifier | http://hdl.handle.net/10722/334212 |
ISSN | 2023 Impact Factor: 38.1 2023 SCImago Journal Rankings: 14.577 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Jiao, Liying | - |
dc.contributor.author | Wang, Xinran | - |
dc.contributor.author | Diankov, Georgi | - |
dc.contributor.author | Wang, Hailiang | - |
dc.contributor.author | Dai, Hongjie | - |
dc.date.accessioned | 2023-10-20T06:46:31Z | - |
dc.date.available | 2023-10-20T06:46:31Z | - |
dc.date.issued | 2010 | - |
dc.identifier.citation | Nature Nanotechnology, 2010, v. 5, n. 5, p. 321-325 | - |
dc.identifier.issn | 1748-3387 | - |
dc.identifier.uri | http://hdl.handle.net/10722/334212 | - |
dc.description.abstract | Graphene nanoribbons have attracted attention because of their novel electronic and spin transport properties, and also because nanoribbons less than 10nm wide have a bandgap that can be used to make field-effect transistors. However, producing nanoribbons of very high quality, or in high volumes, remains a challenge. Here, we show that pristine few-layer nanoribbons can be produced by unzipping mildly gas-phase oxidized multiwalled carbon nanotubes using mechanical sonication in an organic solvent. The nanoribbons are of very high quality, with smooth edges (as seen by high-resolution transmission electron microscopy), low ratios of disorder to graphitic Raman bands, and the highest electrical conductance and mobility reported so far (up to 5e2 /h and 1,500cm-2 V-1 s-1 for ribbons 10-20nm in width). Furthermore, at low temperatures, the nanoribbons show phase-coherent transport and Fabry-Perot interference, suggesting minimal defects and edge roughness. The yield of nanoribbons is ∼2% of the starting raw nanotube soot material, significantly higher than previous methods capable of producing high-quality narrow nanoribbons. The relatively high-yield synthesis of pristine graphene nanoribbons will make these materials easily accessible for a wide range of fundamental and practical applications. © 2010 Macmillan Publishers Limited. All rights reserved. | - |
dc.language | eng | - |
dc.relation.ispartof | Nature Nanotechnology | - |
dc.title | Facile synthesis of high-quality graphene nanoribbons | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1038/nnano.2010.54 | - |
dc.identifier.scopus | eid_2-s2.0-77952289665 | - |
dc.identifier.volume | 5 | - |
dc.identifier.issue | 5 | - |
dc.identifier.spage | 321 | - |
dc.identifier.epage | 325 | - |
dc.identifier.eissn | 1748-3395 | - |
dc.identifier.isi | WOS:000278264300008 | - |