Surface energy and wettability of van der Waals structures
The wetting behaviour of surfaces is believed to be affected by van der Waals (vdW) forces; however, there is no clear demonstration of this. With the isolation of two-dimensional vdW layered materials it is possible to test this hypothesis. In this paper, we report the wetting behaviour of vdW hete...
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| Veröffentlicht in: | Nanoscale 2016-03, Vol.8 (1), p.5764-577 |
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| creator | Annamalai, Meenakshi Gopinadhan, Kalon Han, Sang A Saha, Surajit Park, Hye Jeong Cho, Eun Bi Kumar, Brijesh Patra, Abhijeet Kim, Sang-Woo Venkatesan, T |
| description | The wetting behaviour of surfaces is believed to be affected by van der Waals (vdW) forces; however, there is no clear demonstration of this. With the isolation of two-dimensional vdW layered materials it is possible to test this hypothesis. In this paper, we report the wetting behaviour of vdW heterostructures which include chemical vapor deposition (CVD) grown graphene, molybdenum disulfide (MoS
2
) and tungsten disulfide (WS
2
) on few layers of hexagon boron nitride (h-BN) and SiO
2
/Si. Our study clearly shows that while this class of two-dimensional materials are not completely wetting transparent, there seems to be a significant amount of influence on their wetting properties by the underlying substrate due to dominant vdW forces. Contact angle measurements indicate that graphene and graphene-like layered transitional metal dichalcogenides invariably have intrinsically dispersive surfaces with a dominating London-vdW force-mediated wettability.
Our study shows that the surface energy of all 2D layered materials is undoubtedly dominated by London-van der Waals forces with little contribution from dipole-dipole interactions. |
| doi_str_mv | 10.1039/c5nr06705g |
| format | Article |
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2
) and tungsten disulfide (WS
2
) on few layers of hexagon boron nitride (h-BN) and SiO
2
/Si. Our study clearly shows that while this class of two-dimensional materials are not completely wetting transparent, there seems to be a significant amount of influence on their wetting properties by the underlying substrate due to dominant vdW forces. Contact angle measurements indicate that graphene and graphene-like layered transitional metal dichalcogenides invariably have intrinsically dispersive surfaces with a dominating London-vdW force-mediated wettability.
Our study shows that the surface energy of all 2D layered materials is undoubtedly dominated by London-van der Waals forces with little contribution from dipole-dipole interactions.</description><identifier>ISSN: 2040-3364</identifier><identifier>EISSN: 2040-3372</identifier><identifier>DOI: 10.1039/c5nr06705g</identifier><identifier>PMID: 26910437</identifier><language>eng</language><publisher>England</publisher><subject>Chemical vapor deposition ; Graphene ; Molybdenum disulfide ; Silicon substrates ; Tungsten disulphide ; Two dimensional ; Wettability ; Wetting</subject><ispartof>Nanoscale, 2016-03, Vol.8 (1), p.5764-577</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c408t-b94927f2556396411d74eff3d8596c16d84269b62d47a2ea02a2e5c98e9617803</citedby><cites>FETCH-LOGICAL-c408t-b94927f2556396411d74eff3d8596c16d84269b62d47a2ea02a2e5c98e9617803</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26910437$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Annamalai, Meenakshi</creatorcontrib><creatorcontrib>Gopinadhan, Kalon</creatorcontrib><creatorcontrib>Han, Sang A</creatorcontrib><creatorcontrib>Saha, Surajit</creatorcontrib><creatorcontrib>Park, Hye Jeong</creatorcontrib><creatorcontrib>Cho, Eun Bi</creatorcontrib><creatorcontrib>Kumar, Brijesh</creatorcontrib><creatorcontrib>Patra, Abhijeet</creatorcontrib><creatorcontrib>Kim, Sang-Woo</creatorcontrib><creatorcontrib>Venkatesan, T</creatorcontrib><title>Surface energy and wettability of van der Waals structures</title><title>Nanoscale</title><addtitle>Nanoscale</addtitle><description>The wetting behaviour of surfaces is believed to be affected by van der Waals (vdW) forces; however, there is no clear demonstration of this. With the isolation of two-dimensional vdW layered materials it is possible to test this hypothesis. In this paper, we report the wetting behaviour of vdW heterostructures which include chemical vapor deposition (CVD) grown graphene, molybdenum disulfide (MoS
2
) and tungsten disulfide (WS
2
) on few layers of hexagon boron nitride (h-BN) and SiO
2
/Si. Our study clearly shows that while this class of two-dimensional materials are not completely wetting transparent, there seems to be a significant amount of influence on their wetting properties by the underlying substrate due to dominant vdW forces. Contact angle measurements indicate that graphene and graphene-like layered transitional metal dichalcogenides invariably have intrinsically dispersive surfaces with a dominating London-vdW force-mediated wettability.
Our study shows that the surface energy of all 2D layered materials is undoubtedly dominated by London-van der Waals forces with little contribution from dipole-dipole interactions.</description><subject>Chemical vapor deposition</subject><subject>Graphene</subject><subject>Molybdenum disulfide</subject><subject>Silicon substrates</subject><subject>Tungsten disulphide</subject><subject>Two dimensional</subject><subject>Wettability</subject><subject>Wetting</subject><issn>2040-3364</issn><issn>2040-3372</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqFkctLw0AQxhdRbH1cvCt7FCE6-856k6JVKAo-8Bg2m0mJpGndTZT-90Zb69HLzDDz4-PjG0KOGJwzEPbCqyaANqCmW2TIQUIihOHbm1nLAdmL8Q1AW6HFLhlwbRlIYYbk8qkLpfNIscEwXVLXFPQT29blVV21Szov6YdraIGBvjpXRxrb0Pm2CxgPyE7Zb_Bw3ffJy8318-g2mTyM70ZXk8RLSNskt9JyU3KltLBaMlYYiWUpilRZ7ZkuUtnbyTUvpHEcHfC-Km9TtJqZFMQ-OV3pLsL8vcPYZrMqeqxr1-C8ixlLAaQGUPZ_1BhIjdCG9-jZCvVhHmPAMluEaubCMmOQfceajdT940-s4x4-Wet2-QyLDfqbYw8cr4AQ_eb69xfxBYhxehA</recordid><startdate>20160314</startdate><enddate>20160314</enddate><creator>Annamalai, Meenakshi</creator><creator>Gopinadhan, Kalon</creator><creator>Han, Sang A</creator><creator>Saha, Surajit</creator><creator>Park, Hye Jeong</creator><creator>Cho, Eun Bi</creator><creator>Kumar, Brijesh</creator><creator>Patra, Abhijeet</creator><creator>Kim, Sang-Woo</creator><creator>Venkatesan, T</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20160314</creationdate><title>Surface energy and wettability of van der Waals structures</title><author>Annamalai, Meenakshi ; Gopinadhan, Kalon ; Han, Sang A ; Saha, Surajit ; Park, Hye Jeong ; Cho, Eun Bi ; Kumar, Brijesh ; Patra, Abhijeet ; Kim, Sang-Woo ; Venkatesan, T</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c408t-b94927f2556396411d74eff3d8596c16d84269b62d47a2ea02a2e5c98e9617803</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Chemical vapor deposition</topic><topic>Graphene</topic><topic>Molybdenum disulfide</topic><topic>Silicon substrates</topic><topic>Tungsten disulphide</topic><topic>Two dimensional</topic><topic>Wettability</topic><topic>Wetting</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Annamalai, Meenakshi</creatorcontrib><creatorcontrib>Gopinadhan, Kalon</creatorcontrib><creatorcontrib>Han, Sang A</creatorcontrib><creatorcontrib>Saha, Surajit</creatorcontrib><creatorcontrib>Park, Hye Jeong</creatorcontrib><creatorcontrib>Cho, Eun Bi</creatorcontrib><creatorcontrib>Kumar, Brijesh</creatorcontrib><creatorcontrib>Patra, Abhijeet</creatorcontrib><creatorcontrib>Kim, Sang-Woo</creatorcontrib><creatorcontrib>Venkatesan, T</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Nanoscale</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Annamalai, Meenakshi</au><au>Gopinadhan, Kalon</au><au>Han, Sang A</au><au>Saha, Surajit</au><au>Park, Hye Jeong</au><au>Cho, Eun Bi</au><au>Kumar, Brijesh</au><au>Patra, Abhijeet</au><au>Kim, Sang-Woo</au><au>Venkatesan, T</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Surface energy and wettability of van der Waals structures</atitle><jtitle>Nanoscale</jtitle><addtitle>Nanoscale</addtitle><date>2016-03-14</date><risdate>2016</risdate><volume>8</volume><issue>1</issue><spage>5764</spage><epage>577</epage><pages>5764-577</pages><issn>2040-3364</issn><eissn>2040-3372</eissn><abstract>The wetting behaviour of surfaces is believed to be affected by van der Waals (vdW) forces; however, there is no clear demonstration of this. With the isolation of two-dimensional vdW layered materials it is possible to test this hypothesis. In this paper, we report the wetting behaviour of vdW heterostructures which include chemical vapor deposition (CVD) grown graphene, molybdenum disulfide (MoS
2
) and tungsten disulfide (WS
2
) on few layers of hexagon boron nitride (h-BN) and SiO
2
/Si. Our study clearly shows that while this class of two-dimensional materials are not completely wetting transparent, there seems to be a significant amount of influence on their wetting properties by the underlying substrate due to dominant vdW forces. Contact angle measurements indicate that graphene and graphene-like layered transitional metal dichalcogenides invariably have intrinsically dispersive surfaces with a dominating London-vdW force-mediated wettability.
Our study shows that the surface energy of all 2D layered materials is undoubtedly dominated by London-van der Waals forces with little contribution from dipole-dipole interactions.</abstract><cop>England</cop><pmid>26910437</pmid><doi>10.1039/c5nr06705g</doi><tpages>7</tpages></addata></record> |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Chemical vapor deposition Graphene Molybdenum disulfide Silicon substrates Tungsten disulphide Two dimensional Wettability Wetting |
| title | Surface energy and wettability of van der Waals structures |
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