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Interface-Driven Assembly of Pentacene/MoS 2 Lateral Heterostructures
Mixed-dimensional van der Waals heterostructures formed by molecular assemblies and 2D materials provide a novel platform for fundamental nanoscience and future nanoelectronics applications. Here we investigate a prototypical hybrid heterostructure between pentacene molecules and 2D MoS nanocrystals...
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| Published in: | Journal of physical chemistry. C 2022-01, Vol.126 (2), p.1132-1139 |
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| Main Authors: | , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c1119-dc501ccf0017e326ce025b12b7dbb50015c59c68a6838fc895b6eb7d604e1a753 |
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| cites | cdi_FETCH-LOGICAL-c1119-dc501ccf0017e326ce025b12b7dbb50015c59c68a6838fc895b6eb7d604e1a753 |
| container_end_page | 1139 |
| container_issue | 2 |
| container_start_page | 1132 |
| container_title | Journal of physical chemistry. C |
| container_volume | 126 |
| creator | Tumino, Francesco Rabia, Andi Bassi, Andrea Li Tosoni, Sergio Casari, Carlo S |
| description | Mixed-dimensional van der Waals heterostructures formed by molecular assemblies and 2D materials provide a novel platform for fundamental nanoscience and future nanoelectronics applications. Here we investigate a prototypical hybrid heterostructure between pentacene molecules and 2D MoS
nanocrystals, deposited on Au(111) by combining pulsed laser deposition and organic molecular beam epitaxy. The obtained structures were investigated in situ by scanning tunneling microscopy and spectroscopy and analyzed theoretically by density functional theory calculations. Our results show the formation of atomically thin pentacene/MoS
lateral heterostructures on the Au substrate. The most stable pentacene adsorption site corresponds to MoS
terminations, where the molecules self-assemble parallel to the direction of MoS
edges. The density of states changes sharply across the pentacene/MoS
interface, indicating a weak interfacial coupling, which leaves the electronic signature of MoS
edge states unaltered. This work unveils the self-organization of abrupt mixed-dimensional lateral heterostructures, opening to hybrid devices based on organic/inorganic one-dimensional junctions. |
| doi_str_mv | 10.1021/acs.jpcc.1c06661 |
| format | article |
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nanocrystals, deposited on Au(111) by combining pulsed laser deposition and organic molecular beam epitaxy. The obtained structures were investigated in situ by scanning tunneling microscopy and spectroscopy and analyzed theoretically by density functional theory calculations. Our results show the formation of atomically thin pentacene/MoS
lateral heterostructures on the Au substrate. The most stable pentacene adsorption site corresponds to MoS
terminations, where the molecules self-assemble parallel to the direction of MoS
edges. The density of states changes sharply across the pentacene/MoS
interface, indicating a weak interfacial coupling, which leaves the electronic signature of MoS
edge states unaltered. This work unveils the self-organization of abrupt mixed-dimensional lateral heterostructures, opening to hybrid devices based on organic/inorganic one-dimensional junctions.</description><identifier>ISSN: 1932-7447</identifier><identifier>EISSN: 1932-7455</identifier><identifier>DOI: 10.1021/acs.jpcc.1c06661</identifier><identifier>PMID: 35087609</identifier><language>eng</language><publisher>United States</publisher><ispartof>Journal of physical chemistry. C, 2022-01, Vol.126 (2), p.1132-1139</ispartof><rights>2022 The Authors. Published by American Chemical Society.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1119-dc501ccf0017e326ce025b12b7dbb50015c59c68a6838fc895b6eb7d604e1a753</citedby><cites>FETCH-LOGICAL-c1119-dc501ccf0017e326ce025b12b7dbb50015c59c68a6838fc895b6eb7d604e1a753</cites><orcidid>0000-0002-7942-7626 ; 0000-0001-5700-4086 ; 0000-0002-4846-2701 ; 0000-0001-9144-6822</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,786,790,27957,27958</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35087609$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tumino, Francesco</creatorcontrib><creatorcontrib>Rabia, Andi</creatorcontrib><creatorcontrib>Bassi, Andrea Li</creatorcontrib><creatorcontrib>Tosoni, Sergio</creatorcontrib><creatorcontrib>Casari, Carlo S</creatorcontrib><title>Interface-Driven Assembly of Pentacene/MoS 2 Lateral Heterostructures</title><title>Journal of physical chemistry. C</title><addtitle>J Phys Chem C Nanomater Interfaces</addtitle><description>Mixed-dimensional van der Waals heterostructures formed by molecular assemblies and 2D materials provide a novel platform for fundamental nanoscience and future nanoelectronics applications. Here we investigate a prototypical hybrid heterostructure between pentacene molecules and 2D MoS
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lateral heterostructures on the Au substrate. The most stable pentacene adsorption site corresponds to MoS
terminations, where the molecules self-assemble parallel to the direction of MoS
edges. The density of states changes sharply across the pentacene/MoS
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nanocrystals, deposited on Au(111) by combining pulsed laser deposition and organic molecular beam epitaxy. The obtained structures were investigated in situ by scanning tunneling microscopy and spectroscopy and analyzed theoretically by density functional theory calculations. Our results show the formation of atomically thin pentacene/MoS
lateral heterostructures on the Au substrate. The most stable pentacene adsorption site corresponds to MoS
terminations, where the molecules self-assemble parallel to the direction of MoS
edges. The density of states changes sharply across the pentacene/MoS
interface, indicating a weak interfacial coupling, which leaves the electronic signature of MoS
edge states unaltered. This work unveils the self-organization of abrupt mixed-dimensional lateral heterostructures, opening to hybrid devices based on organic/inorganic one-dimensional junctions.</abstract><cop>United States</cop><pmid>35087609</pmid><doi>10.1021/acs.jpcc.1c06661</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-7942-7626</orcidid><orcidid>https://orcid.org/0000-0001-5700-4086</orcidid><orcidid>https://orcid.org/0000-0002-4846-2701</orcidid><orcidid>https://orcid.org/0000-0001-9144-6822</orcidid></addata></record> |
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| language | eng |
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| source | American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list) |
| title | Interface-Driven Assembly of Pentacene/MoS 2 Lateral Heterostructures |
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