Electronic coupling in fullerene-doped semiconducting carbon nanotubes probed by Raman spectroscopy and electronic transport
We investigate the electronic properties of individual fullerene peapods by combining micro-Raman spectroscopy and (magneto)-transport measurements on the same devices. We bring evidence that the encapsulated C60 molecules strongly modify the electronic band structure of semiconducting nanotubes in...
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| Veröffentlicht in: | Carbon (New York) 2013-06, Vol.57, p.498-506 |
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| container_title | Carbon (New York) |
| container_volume | 57 |
| creator | Prudkovskiy, Vladimir Berd, Mourad Pavlenko, Ekaterina Katin, Konstantin Maslov, Mikhail Puech, Pascal Monthioux, Marc Escoffier, Walter Goiran, Michel Raquet, Bertrand |
| description | We investigate the electronic properties of individual fullerene peapods by combining micro-Raman spectroscopy and (magneto)-transport measurements on the same devices. We bring evidence that the encapsulated C60 molecules strongly modify the electronic band structure of semiconducting nanotubes in the vicinity of the charge neutrality point, including a rigid shift and a partial filling of the energy gap. Using a selective UV excitation of the fullerenes, we demonstrate that the electronic coupling between the contained C60 molecules and the containing carbon nanotube is strongly modified by the partial coalescence of the C60 and their distribution inside the tube. Our experimental results are supported by both numerical simulations of the Density of States and the measured conductance of carbon nanotubes with coalesced fullerenes inside. |
| doi_str_mv | 10.1016/j.carbon.2013.02.027 |
| format | Article |
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We bring evidence that the encapsulated C60 molecules strongly modify the electronic band structure of semiconducting nanotubes in the vicinity of the charge neutrality point, including a rigid shift and a partial filling of the energy gap. Using a selective UV excitation of the fullerenes, we demonstrate that the electronic coupling between the contained C60 molecules and the containing carbon nanotube is strongly modified by the partial coalescence of the C60 and their distribution inside the tube. 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We bring evidence that the encapsulated C60 molecules strongly modify the electronic band structure of semiconducting nanotubes in the vicinity of the charge neutrality point, including a rigid shift and a partial filling of the energy gap. Using a selective UV excitation of the fullerenes, we demonstrate that the electronic coupling between the contained C60 molecules and the containing carbon nanotube is strongly modified by the partial coalescence of the C60 and their distribution inside the tube. Our experimental results are supported by both numerical simulations of the Density of States and the measured conductance of carbon nanotubes with coalesced fullerenes inside.</description><subject>Buckminsterfullerene</subject><subject>Carbon</subject><subject>Carbon nanotubes</subject><subject>Coalescing</subject><subject>Coupling (molecular)</subject><subject>Devices</subject><subject>Electronics</subject><subject>Fullerenes</subject><issn>0008-6223</issn><issn>1873-3891</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkUtr3TAQhUVJoTdp_0EX2hSy8Y1efm0CJSRpIFAo7VpIo3HRxVdyJDtwoT--chzaXQsDw8CnOaNzCPnI2Z4z3lwd9mCSjWEvGJd7Jkq1b8iOd62sZNfzM7JjjHVVI4R8R85zPpRRdVztyK_bEWFOMXigEJdp9OEn9YEOyzhiwoCVixM6mvHoIQa3wLwSmx4NJsR5sZjplKItmD3Rb-ZoAs3Ty9oMcTpRExzFvzpzMiFPMc3vydvBjBk_vPYL8uPu9vvNl-rx6_3DzefHClTTzRXHATrJG7S966RCwUFYq3pQjsvGWqEaLhDkgAxq2TjRc0QYpFGWtbZt5QW53PaWK58WzLM--gw4jiZgXLLmNZdFScj6_6hUvarrmq-o2lAo_8wJBz0lfzTppDnTay76oDef9JqLZqLUesynVwWTwYxDMQN8_vNWtKJEJrrCXW8cFmeePSadwWMAdD4VK7WL_t9CvwFPWqhq</recordid><startdate>20130601</startdate><enddate>20130601</enddate><creator>Prudkovskiy, Vladimir</creator><creator>Berd, Mourad</creator><creator>Pavlenko, Ekaterina</creator><creator>Katin, Konstantin</creator><creator>Maslov, Mikhail</creator><creator>Puech, Pascal</creator><creator>Monthioux, Marc</creator><creator>Escoffier, Walter</creator><creator>Goiran, Michel</creator><creator>Raquet, Bertrand</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><scope>7U5</scope><scope>L7M</scope></search><sort><creationdate>20130601</creationdate><title>Electronic coupling in fullerene-doped semiconducting carbon nanotubes probed by Raman spectroscopy and electronic transport</title><author>Prudkovskiy, Vladimir ; Berd, Mourad ; Pavlenko, Ekaterina ; Katin, Konstantin ; Maslov, Mikhail ; Puech, Pascal ; Monthioux, Marc ; Escoffier, Walter ; Goiran, Michel ; Raquet, Bertrand</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c468t-1efc8316eb9d834e21c2bb49c4d136bb24612ec3fe0c536d291eecf3a4b07b773</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Buckminsterfullerene</topic><topic>Carbon</topic><topic>Carbon nanotubes</topic><topic>Coalescing</topic><topic>Coupling (molecular)</topic><topic>Devices</topic><topic>Electronics</topic><topic>Fullerenes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Prudkovskiy, Vladimir</creatorcontrib><creatorcontrib>Berd, Mourad</creatorcontrib><creatorcontrib>Pavlenko, Ekaterina</creatorcontrib><creatorcontrib>Katin, Konstantin</creatorcontrib><creatorcontrib>Maslov, Mikhail</creatorcontrib><creatorcontrib>Puech, Pascal</creatorcontrib><creatorcontrib>Monthioux, Marc</creatorcontrib><creatorcontrib>Escoffier, Walter</creatorcontrib><creatorcontrib>Goiran, Michel</creatorcontrib><creatorcontrib>Raquet, Bertrand</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Carbon (New York)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Prudkovskiy, Vladimir</au><au>Berd, Mourad</au><au>Pavlenko, Ekaterina</au><au>Katin, Konstantin</au><au>Maslov, Mikhail</au><au>Puech, Pascal</au><au>Monthioux, Marc</au><au>Escoffier, Walter</au><au>Goiran, Michel</au><au>Raquet, Bertrand</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electronic coupling in fullerene-doped semiconducting carbon nanotubes probed by Raman spectroscopy and electronic transport</atitle><jtitle>Carbon (New York)</jtitle><date>2013-06-01</date><risdate>2013</risdate><volume>57</volume><spage>498</spage><epage>506</epage><pages>498-506</pages><issn>0008-6223</issn><eissn>1873-3891</eissn><coden>CRBNAH</coden><abstract>We investigate the electronic properties of individual fullerene peapods by combining micro-Raman spectroscopy and (magneto)-transport measurements on the same devices. We bring evidence that the encapsulated C60 molecules strongly modify the electronic band structure of semiconducting nanotubes in the vicinity of the charge neutrality point, including a rigid shift and a partial filling of the energy gap. Using a selective UV excitation of the fullerenes, we demonstrate that the electronic coupling between the contained C60 molecules and the containing carbon nanotube is strongly modified by the partial coalescence of the C60 and their distribution inside the tube. Our experimental results are supported by both numerical simulations of the Density of States and the measured conductance of carbon nanotubes with coalesced fullerenes inside.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.carbon.2013.02.027</doi><tpages>9</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Buckminsterfullerene Carbon Carbon nanotubes Coalescing Coupling (molecular) Devices Electronics Fullerenes |
| title | Electronic coupling in fullerene-doped semiconducting carbon nanotubes probed by Raman spectroscopy and electronic transport |
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