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One Dimensional Twisted Van der Waals Structures Constructed by Self-Assembling Graphene Nanoribbons on Carbon Nanotubes

Kun Zhou, Liya Wang, Ruijie Wang, Chengyuan Wang Orcid Logo, Chun Tang Orcid Logo

Materials, Volume: 15, Issue: 22, Start page: 8220

Swansea University Author: Chengyuan Wang Orcid Logo

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DOI (Published version): 10.3390/ma15228220

Abstract

Twisted van der Waals heterostructures were recently found to possess unique physical properties, such as superconductivity in magic angle bilayer graphene. Owing to the nonhomogeneous stacking, the energy of twisted van der Waals heterostructures are often higher than their AA or AB stacking counte...

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Published in: Materials
ISSN: 1996-1944
Published: MDPI AG 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa62115
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spelling 2023-01-09T16:37:51.7450013 v2 62115 2022-12-05 One Dimensional Twisted Van der Waals Structures Constructed by Self-Assembling Graphene Nanoribbons on Carbon Nanotubes fdea93ab99f51d0b3921d3601876c1e5 0000-0002-1001-2537 Chengyuan Wang Chengyuan Wang true false 2022-12-05 MECH Twisted van der Waals heterostructures were recently found to possess unique physical properties, such as superconductivity in magic angle bilayer graphene. Owing to the nonhomogeneous stacking, the energy of twisted van der Waals heterostructures are often higher than their AA or AB stacking counterpart, therefore, fabricating such structures remains a great challenge in experiments. On the other hand, one dimensional (1D) coaxial van der Waals structures has less freedom to undergo phase transition, thus offer opportunity for fabricating the 1D cousin of twisted bilayer graphene. In this work, we show by molecular dynamic simulations that graphene nanoribbons can self-assemble onto the surface of carbon nanotubes driven by van der Waals interactions. By modifying the size of the carbon nanotubes or graphene nanoribbons, the resultant configurations can be controlled. Of particular interest is the formation of twisted double walled carbon nanotubes whose chiral angle difference can be tuned, including the 1.1° magic angle. Upon the longitudinal unzipping of such structures, twisted bilayer graphene nanoribbons can be obtained. As the longitudinal unzipping of carbon nanotubes is a mature technique, we expect the strategy proposed in this study to stimulate experimental efforts and promote the fast growing research in twistronics. Journal Article Materials 15 22 8220 MDPI AG 1996-1944 chiral carbon nanotube; graphene nanoribbon; self-assembly; twist angle 18 11 2022 2022-11-18 10.3390/ma15228220 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University This research was funded by the National Natural Science Foundation of China (Grant Nos. 12072134, 12102151), NJ2022002(INMD-2022M03), Jiangsu Province Postdoctoral Foundation (Grant No. 2021K113B). 2023-01-09T16:37:51.7450013 2022-12-05T09:54:10.0733758 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Kun Zhou 1 Liya Wang 2 Ruijie Wang 3 Chengyuan Wang 0000-0002-1001-2537 4 Chun Tang 0000-0002-7767-2126 5 62115__26012__3343d8a2a11d4da5bc4656c9a8206d88.pdf 62115.pdf 2022-12-05T10:01:43.6238606 Output 2509270 application/pdf Version of Record true © 2022 by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license true eng https://creativecommons.org/licenses/by/4.0/
title One Dimensional Twisted Van der Waals Structures Constructed by Self-Assembling Graphene Nanoribbons on Carbon Nanotubes
spellingShingle One Dimensional Twisted Van der Waals Structures Constructed by Self-Assembling Graphene Nanoribbons on Carbon Nanotubes
Chengyuan Wang
title_short One Dimensional Twisted Van der Waals Structures Constructed by Self-Assembling Graphene Nanoribbons on Carbon Nanotubes
title_full One Dimensional Twisted Van der Waals Structures Constructed by Self-Assembling Graphene Nanoribbons on Carbon Nanotubes
title_fullStr One Dimensional Twisted Van der Waals Structures Constructed by Self-Assembling Graphene Nanoribbons on Carbon Nanotubes
title_full_unstemmed One Dimensional Twisted Van der Waals Structures Constructed by Self-Assembling Graphene Nanoribbons on Carbon Nanotubes
title_sort One Dimensional Twisted Van der Waals Structures Constructed by Self-Assembling Graphene Nanoribbons on Carbon Nanotubes
author_id_str_mv fdea93ab99f51d0b3921d3601876c1e5
author_id_fullname_str_mv fdea93ab99f51d0b3921d3601876c1e5_***_Chengyuan Wang
author Chengyuan Wang
author2 Kun Zhou
Liya Wang
Ruijie Wang
Chengyuan Wang
Chun Tang
format Journal article
container_title Materials
container_volume 15
container_issue 22
container_start_page 8220
publishDate 2022
institution Swansea University
issn 1996-1944
doi_str_mv 10.3390/ma15228220
publisher MDPI AG
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
document_store_str 1
active_str 0
description Twisted van der Waals heterostructures were recently found to possess unique physical properties, such as superconductivity in magic angle bilayer graphene. Owing to the nonhomogeneous stacking, the energy of twisted van der Waals heterostructures are often higher than their AA or AB stacking counterpart, therefore, fabricating such structures remains a great challenge in experiments. On the other hand, one dimensional (1D) coaxial van der Waals structures has less freedom to undergo phase transition, thus offer opportunity for fabricating the 1D cousin of twisted bilayer graphene. In this work, we show by molecular dynamic simulations that graphene nanoribbons can self-assemble onto the surface of carbon nanotubes driven by van der Waals interactions. By modifying the size of the carbon nanotubes or graphene nanoribbons, the resultant configurations can be controlled. Of particular interest is the formation of twisted double walled carbon nanotubes whose chiral angle difference can be tuned, including the 1.1° magic angle. Upon the longitudinal unzipping of such structures, twisted bilayer graphene nanoribbons can be obtained. As the longitudinal unzipping of carbon nanotubes is a mature technique, we expect the strategy proposed in this study to stimulate experimental efforts and promote the fast growing research in twistronics.
published_date 2022-11-18T04:21:29Z
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score 11.013148

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