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Orientational Epitaxy of van der Waals Molecular Heterostructures

Lu’an Guo, Yitao Wang, Dogan Kaya, Richard Palmer Orcid Logo, Guangde Chen, Quanmin Guo

Nano Letters, Volume: 18, Issue: 8, Pages: 5257 - 5261

Swansea University Author: Richard Palmer Orcid Logo

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DOI (Published version): 10.1021/acs.nanolett.8b02238

Abstract

The shape of individual building blocks is an important parameter in bottom-up self-assembly of nanostructured materials. A simple shape change from sphere to spheroid can significantly affect the assembly process due to the modification to the orientational degrees of freedom. When a layer of spher...

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Published in: Nano Letters
ISSN: 1530-6984 1530-6992
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa41118
first_indexed 2018-07-25T13:34:38Z
last_indexed 2018-09-18T18:52:16Z
id cronfa41118
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spelling 2018-09-18T15:45:01.4267473 v2 41118 2018-07-25 Orientational Epitaxy of van der Waals Molecular Heterostructures 6ae369618efc7424d9774377536ea519 0000-0001-8728-8083 Richard Palmer Richard Palmer true false 2018-07-25 ACEM The shape of individual building blocks is an important parameter in bottom-up self-assembly of nanostructured materials. A simple shape change from sphere to spheroid can significantly affect the assembly process due to the modification to the orientational degrees of freedom. When a layer of spheres is placed upon a layer of spheroids, the strain at the interface can be minimized by the spheroid taking a special orientation. C70 fullerenes represent the smallest spheroids, and their interaction with a sphere-like C60 is investigated. We find that the orientation of the C70 within a close-packed C70 layer can be steered by contacting a layer of C60. This orientational steering phenomenon is potentially useful for epitaxial growth of multilayer van der Waals molecular heterostructures. Journal Article Nano Letters 18 8 5257 5261 1530-6984 1530-6992 epitaxy; fullerene; graphene; interface; scanning tunnelling microscopy; self-assembly; van der Waals heterostructures 31 12 2018 2018-12-31 10.1021/acs.nanolett.8b02238 COLLEGE NANME Aerospace, Civil, Electrical, and Mechanical Engineering COLLEGE CODE ACEM Swansea University 2018-09-18T15:45:01.4267473 2018-07-25T09:00:58.7363071 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Lu’an Guo 1 Yitao Wang 2 Dogan Kaya 3 Richard Palmer 0000-0001-8728-8083 4 Guangde Chen 5 Quanmin Guo 6 0041118-25072018090237.pdf guo2018.pdf 2018-07-25T09:02:37.4870000 Output 3895932 application/pdf Accepted Manuscript true 2019-07-12T00:00:00.0000000 true eng
title Orientational Epitaxy of van der Waals Molecular Heterostructures
spellingShingle Orientational Epitaxy of van der Waals Molecular Heterostructures
Richard Palmer
title_short Orientational Epitaxy of van der Waals Molecular Heterostructures
title_full Orientational Epitaxy of van der Waals Molecular Heterostructures
title_fullStr Orientational Epitaxy of van der Waals Molecular Heterostructures
title_full_unstemmed Orientational Epitaxy of van der Waals Molecular Heterostructures
title_sort Orientational Epitaxy of van der Waals Molecular Heterostructures
author_id_str_mv 6ae369618efc7424d9774377536ea519
author_id_fullname_str_mv 6ae369618efc7424d9774377536ea519_***_Richard Palmer
author Richard Palmer
author2 Lu’an Guo
Yitao Wang
Dogan Kaya
Richard Palmer
Guangde Chen
Quanmin Guo
format Journal article
container_title Nano Letters
container_volume 18
container_issue 8
container_start_page 5257
publishDate 2018
institution Swansea University
issn 1530-6984
1530-6992
doi_str_mv 10.1021/acs.nanolett.8b02238
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 The shape of individual building blocks is an important parameter in bottom-up self-assembly of nanostructured materials. A simple shape change from sphere to spheroid can significantly affect the assembly process due to the modification to the orientational degrees of freedom. When a layer of spheres is placed upon a layer of spheroids, the strain at the interface can be minimized by the spheroid taking a special orientation. C70 fullerenes represent the smallest spheroids, and their interaction with a sphere-like C60 is investigated. We find that the orientation of the C70 within a close-packed C70 layer can be steered by contacting a layer of C60. This orientational steering phenomenon is potentially useful for epitaxial growth of multilayer van der Waals molecular heterostructures.
published_date 2018-12-31T19:36:38Z
_version_ 1821435440078520320
score 11.047609

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