van der Waals Force: A Dominant Factor for Reactivity of Graphene
Reactivity control of graphene is an important issue because chemical functionalization can modulate graphene’s unique mechanical, optical, and electronic properties. Using systematic optical studies, we demonstrate that van der Waals interaction is the dominant factor for the chemical reactivity of...
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| Veröffentlicht in: | Nano letters 2015-01, Vol.15 (1), p.319-325 |
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| container_end_page | 325 |
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| container_title | Nano letters |
| container_volume | 15 |
| creator | Lee, Jong Hak Avsar, Ahmet Jung, Jeil Tan, Jun You Watanabe, K Taniguchi, T Natarajan, Srinivasan Eda, Goki Adam, Shaffique Castro Neto, Antonio H Özyilmaz, Barbaros |
| description | Reactivity control of graphene is an important issue because chemical functionalization can modulate graphene’s unique mechanical, optical, and electronic properties. Using systematic optical studies, we demonstrate that van der Waals interaction is the dominant factor for the chemical reactivity of graphene on two-dimensional (2D) heterostructures. A significant enhancement in the chemical stability of graphene is achieved by replacing the common SiO2 substrate with 2D crystals such as an additional graphene layer, WS2, MoS2, or h-BN. Our theoretical and experimental results show that its origin is a strong van der Waals interaction between the graphene layer and the 2D substrate. This results in a high resistive force on graphene toward geometric lattice deformation. We also demonstrate that the chemical reactivity of graphene can be controlled by the relative lattice orientation with respect to the substrates and thus can be used for a wide range of applications including hydrogen storage. |
| doi_str_mv | 10.1021/nl5036012 |
| format | Article |
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Using systematic optical studies, we demonstrate that van der Waals interaction is the dominant factor for the chemical reactivity of graphene on two-dimensional (2D) heterostructures. A significant enhancement in the chemical stability of graphene is achieved by replacing the common SiO2 substrate with 2D crystals such as an additional graphene layer, WS2, MoS2, or h-BN. Our theoretical and experimental results show that its origin is a strong van der Waals interaction between the graphene layer and the 2D substrate. This results in a high resistive force on graphene toward geometric lattice deformation. 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We also demonstrate that the chemical reactivity of graphene can be controlled by the relative lattice orientation with respect to the substrates and thus can be used for a wide range of applications including hydrogen storage.</description><subject>Disulfides - chemistry</subject><subject>Graphene</subject><subject>Graphite - chemistry</subject><subject>Heterostructures</subject><subject>Hydrogen storage</subject><subject>Lattices</subject><subject>Models, Chemical</subject><subject>Molybdenum - chemistry</subject><subject>Molybdenum disulfide</subject><subject>Optical properties</subject><subject>Silicon Dioxide - chemistry</subject><subject>Tungsten Compounds - chemistry</subject><subject>Two dimensional</subject><subject>Van der Waals forces</subject><issn>1530-6984</issn><issn>1530-6992</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkE9LAzEQxYMoVqsHv4DkIuhhNZn82Y23Um0VCoIoHpdsNotbdjc12S302xtp7UlwhmHe4TeP4SF0QcktJUDvukYQJgmFA3RCBSOJVAoO9zrjI3QawpIQopggx2gEgivGRHqCJmvd4dJ6_KF1E_DMeWPv8QQ_uLbudNfjmTa987iK82qjrtd1v8GuwnOvV5-2s2foqIqn9ny3x-h99vg2fUoWL_Pn6WSRaMazPikg40rLMj5KuVYWwFSKasUgBaEMB6HTWIXkRVVIWWZlajNJDdVAS1NZNkbXW9-Vd1-DDX3e1sHYptGddUPIaSqBiCz2_6gUwAnnABG92aLGuxC8rfKVr1vtNzkl-U-4-T7cyF7ubIeiteWe_E0zAldbQJuQL93guxjIH0bf7M99BA</recordid><startdate>20150114</startdate><enddate>20150114</enddate><creator>Lee, Jong Hak</creator><creator>Avsar, Ahmet</creator><creator>Jung, Jeil</creator><creator>Tan, Jun You</creator><creator>Watanabe, K</creator><creator>Taniguchi, T</creator><creator>Natarajan, Srinivasan</creator><creator>Eda, Goki</creator><creator>Adam, Shaffique</creator><creator>Castro Neto, Antonio H</creator><creator>Özyilmaz, Barbaros</creator><general>American Chemical Society</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><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>JG9</scope><scope>L7M</scope></search><sort><creationdate>20150114</creationdate><title>van der Waals Force: A Dominant Factor for Reactivity of Graphene</title><author>Lee, Jong Hak ; Avsar, Ahmet ; Jung, Jeil ; Tan, Jun You ; Watanabe, K ; Taniguchi, T ; Natarajan, Srinivasan ; Eda, Goki ; Adam, Shaffique ; Castro Neto, Antonio H ; Özyilmaz, Barbaros</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a348t-b2849a6d03614a9e22cf91a9327259c425a7777b64bfb66d8d7e861c1a21dcfe3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Disulfides - chemistry</topic><topic>Graphene</topic><topic>Graphite - chemistry</topic><topic>Heterostructures</topic><topic>Hydrogen storage</topic><topic>Lattices</topic><topic>Models, Chemical</topic><topic>Molybdenum - chemistry</topic><topic>Molybdenum disulfide</topic><topic>Optical properties</topic><topic>Silicon Dioxide - chemistry</topic><topic>Tungsten Compounds - chemistry</topic><topic>Two dimensional</topic><topic>Van der Waals forces</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Jong Hak</creatorcontrib><creatorcontrib>Avsar, Ahmet</creatorcontrib><creatorcontrib>Jung, Jeil</creatorcontrib><creatorcontrib>Tan, Jun You</creatorcontrib><creatorcontrib>Watanabe, K</creatorcontrib><creatorcontrib>Taniguchi, T</creatorcontrib><creatorcontrib>Natarajan, Srinivasan</creatorcontrib><creatorcontrib>Eda, Goki</creatorcontrib><creatorcontrib>Adam, Shaffique</creatorcontrib><creatorcontrib>Castro Neto, Antonio H</creatorcontrib><creatorcontrib>Özyilmaz, Barbaros</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><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>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Nano letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, Jong Hak</au><au>Avsar, Ahmet</au><au>Jung, Jeil</au><au>Tan, Jun You</au><au>Watanabe, K</au><au>Taniguchi, T</au><au>Natarajan, Srinivasan</au><au>Eda, Goki</au><au>Adam, Shaffique</au><au>Castro Neto, Antonio H</au><au>Özyilmaz, Barbaros</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>van der Waals Force: A Dominant Factor for Reactivity of Graphene</atitle><jtitle>Nano letters</jtitle><addtitle>Nano Lett</addtitle><date>2015-01-14</date><risdate>2015</risdate><volume>15</volume><issue>1</issue><spage>319</spage><epage>325</epage><pages>319-325</pages><issn>1530-6984</issn><eissn>1530-6992</eissn><abstract>Reactivity control of graphene is an important issue because chemical functionalization can modulate graphene’s unique mechanical, optical, and electronic properties. 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| ispartof | Nano letters, 2015-01, Vol.15 (1), p.319-325 |
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| language | eng |
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| source | MEDLINE; ACS Publications |
| subjects | Disulfides - chemistry Graphene Graphite - chemistry Heterostructures Hydrogen storage Lattices Models, Chemical Molybdenum - chemistry Molybdenum disulfide Optical properties Silicon Dioxide - chemistry Tungsten Compounds - chemistry Two dimensional Van der Waals forces |
| title | van der Waals Force: A Dominant Factor for Reactivity of Graphene |
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