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dc.contributor.author | Inose, Tomoko | en |
dc.contributor.author | Toyouchi, Shuichi | en |
dc.contributor.author | Hara, Shinnosuke | en |
dc.contributor.author | Sugioka, Shoji | en |
dc.contributor.author | Walke, Peter | en |
dc.contributor.author | Oyabu, Rikuto | en |
dc.contributor.author | Fortuni, Beatrice | en |
dc.contributor.author | Peeters, Wannes | en |
dc.contributor.author | Usami, Yuki | en |
dc.contributor.author | Hirai, Kenji | en |
dc.contributor.author | De Feyter, Steven | en |
dc.contributor.author | Uji‐i, Hiroshi | en |
dc.contributor.author | Fujita, Yasuhiko | en |
dc.contributor.author | Tanaka, Hirofumi | en |
dc.contributor.alternative | 猪瀬, 朋子 | ja |
dc.contributor.alternative | 雲林院, 宏 | ja |
dc.date.accessioned | 2024-01-26T08:02:47Z | - |
dc.date.available | 2024-01-26T08:02:47Z | - |
dc.date.issued | 2024-01-18 | - |
dc.identifier.uri | http://hdl.handle.net/2433/286795 | - |
dc.description.abstract | Graphene nanoribbons (GNRs), a quasi-one-dimensional form of graphene, have gained tremendous attention due to their potential for next-generation nanoelectronic devices. The chemical unzipping of carbon nanotubes is one of the attractive fabrication methods to obtain single-layered GNRs (sGNRs) with simple and large-scale production. The authors recently found that unzipping from double-walled carbon nanotubes (DWNTs), rather than single- or multi-walled, results in high-yield production of crystalline sGNRs. However, details of the resultant GNR structure, as well as the reaction mechanism, are not fully understood due to the necessity of nanoscale spectroscopy. In this regard, silver nanowire-based tip-enhanced Raman spectroscopy (TERS) is applied for single GNR analysis and investigated ribbon-to-ribbon heterogeneity in terms of defect density and edge structure generated through the unzipping process. The authors found that sGNRs originated from the inner walls of DWNTs showed lower defect densities than those from the outer walls. Furthermore, TERS spectra of sGNRs exhibit a large variety in graphitic Raman parameters, indicating a large variation in edge structures. This work at the single GNR level reveals, for the first time, ribbon-to-ribbon heterogeneity that can never be observed by diffraction-limited techniques and provides deeper insights into unzipped GNR structure as well as the DWNT unzipping reaction mechanism. | en |
dc.language.iso | eng | - |
dc.publisher | Wiley | en |
dc.rights | © 2023 The Authors. Small published by Wiley-VCH GmbH | en |
dc.rights | This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made. | en |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | - |
dc.subject | chemical unzipping | en |
dc.subject | graphene nanoribbons | en |
dc.subject | Raman scattering | en |
dc.subject | silver nanowires | en |
dc.subject | tip-enhanced Raman scattering | en |
dc.title | Visualizing Ribbon‐to‐Ribbon Heterogeneity of Chemically Unzipped Wide Graphene Nanoribbons by Silver Nanowire‐Based Tip‐Enhanced Raman Scattering Microscopy | en |
dc.type | journal article | - |
dc.type.niitype | Journal Article | - |
dc.identifier.jtitle | Small | en |
dc.identifier.volume | 20 | - |
dc.identifier.issue | 3 | - |
dc.relation.doi | 10.1002/smll.202301841 | - |
dc.textversion | publisher | - |
dc.identifier.artnum | 2301841 | - |
dc.identifier.pmid | 37649218 | - |
dcterms.accessRights | open access | - |
datacite.awardNumber | 19KK0136 | - |
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datacite.awardNumber | 19K22114 | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19KK0136/ | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20K05413/ | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22K20512/ | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18H01948/ | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21H04634/ | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21K18871/ | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21K18192/ | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22H00328/ | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19K22114/ | - |
dc.identifier.pissn | 1613-6810 | - |
dc.identifier.eissn | 1613-6829 | - |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
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出現コレクション: | 学術雑誌掲載論文等 |
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