Strongly enhanced Raman scattering of graphene by a single gold nanorod
Individual gold nanorods (AuNRs) and monolayer graphene hybrid system is investigated experimentally. Surface enhanced Raman scattering (SERS) signal of the graphene is observed due to a single AuNR with enhancement factor up to ∼1000-fold. The SERS intensity is strongly polarization dependent and t...
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| Veröffentlicht in: | Applied physics letters 2015-08, Vol.107 (5) |
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| container_title | Applied physics letters |
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| creator | He, Yingbo Lu, Guowei Shen, Hongming Cheng, Yuqing Gong, Qihuang |
| description | Individual gold nanorods (AuNRs) and monolayer graphene hybrid system is investigated experimentally. Surface enhanced Raman scattering (SERS) signal of the graphene is observed due to a single AuNR with enhancement factor up to ∼1000-fold. The SERS intensity is strongly polarization dependent and the enhancement effect varies with the detuning between the excitation laser and the AuNR resonance. The SERS effect is highest when the resonant wavelength of the AuNRs matches well with the excitation light. By correlating the scattering and photoluminescence, it is demonstrated that the conventional background in SERS ascribes to the photon emission of metallic nanostructures. |
| doi_str_mv | 10.1063/1.4927759 |
| format | Article |
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Surface enhanced Raman scattering (SERS) signal of the graphene is observed due to a single AuNR with enhancement factor up to ∼1000-fold. The SERS intensity is strongly polarization dependent and the enhancement effect varies with the detuning between the excitation laser and the AuNR resonance. The SERS effect is highest when the resonant wavelength of the AuNRs matches well with the excitation light. By correlating the scattering and photoluminescence, it is demonstrated that the conventional background in SERS ascribes to the photon emission of metallic nanostructures.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4927759</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; EXCITATION ; GOLD ; GRAPHENE ; Hybrid systems ; Nanorods ; NANOSTRUCTURES ; PHOTOLUMINESCENCE ; Photon emission ; RAMAN EFFECT ; Raman spectra ; SURFACES ; WAVELENGTHS</subject><ispartof>Applied physics letters, 2015-08, Vol.107 (5)</ispartof><rights>2015 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c285t-6ffeb737149534aca50c68afc25470e8492a74c06dd0b1ef93e10fd8f3f170cc3</citedby><cites>FETCH-LOGICAL-c285t-6ffeb737149534aca50c68afc25470e8492a74c06dd0b1ef93e10fd8f3f170cc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27922,27923</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22489062$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>He, Yingbo</creatorcontrib><creatorcontrib>Lu, Guowei</creatorcontrib><creatorcontrib>Shen, Hongming</creatorcontrib><creatorcontrib>Cheng, Yuqing</creatorcontrib><creatorcontrib>Gong, Qihuang</creatorcontrib><title>Strongly enhanced Raman scattering of graphene by a single gold nanorod</title><title>Applied physics letters</title><description>Individual gold nanorods (AuNRs) and monolayer graphene hybrid system is investigated experimentally. Surface enhanced Raman scattering (SERS) signal of the graphene is observed due to a single AuNR with enhancement factor up to ∼1000-fold. The SERS intensity is strongly polarization dependent and the enhancement effect varies with the detuning between the excitation laser and the AuNR resonance. The SERS effect is highest when the resonant wavelength of the AuNRs matches well with the excitation light. By correlating the scattering and photoluminescence, it is demonstrated that the conventional background in SERS ascribes to the photon emission of metallic nanostructures.</description><subject>Applied physics</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>EXCITATION</subject><subject>GOLD</subject><subject>GRAPHENE</subject><subject>Hybrid systems</subject><subject>Nanorods</subject><subject>NANOSTRUCTURES</subject><subject>PHOTOLUMINESCENCE</subject><subject>Photon emission</subject><subject>RAMAN EFFECT</subject><subject>Raman spectra</subject><subject>SURFACES</subject><subject>WAVELENGTHS</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNpFkE1LAzEYhIMoWD8O_oOAJw9b3zcfm92jFK1CQfDjHNJsst3SJjVJD_33rrTgaZjhYRiGkDuEKULNH3EqWqaUbM_IBEGpiiM252QCALyqW4mX5Crn9Wgl43xC5p8lxdBvDtSFlQnWdfTDbE2g2ZpSXBpCT6OnfTK7lQuOLg_U0DymG0f7uOloMCGm2N2QC2822d2e9Jp8vzx_zV6rxfv8bfa0qCxrZKlq791ScYWilVwYayTYujHeMikUuGYcb5SwUHcdLNH5ljsE3zWee1RgLb8m98femMugsx2KsysbQ3C2aMZE00LN_qldij97l4tex30K4zDNkAkEhlKM1MORsinmnJzXuzRsTTpoBP33pkZ9epP_AkprZUQ</recordid><startdate>20150803</startdate><enddate>20150803</enddate><creator>He, Yingbo</creator><creator>Lu, Guowei</creator><creator>Shen, Hongming</creator><creator>Cheng, Yuqing</creator><creator>Gong, Qihuang</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20150803</creationdate><title>Strongly enhanced Raman scattering of graphene by a single gold nanorod</title><author>He, Yingbo ; Lu, Guowei ; Shen, Hongming ; Cheng, Yuqing ; Gong, Qihuang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c285t-6ffeb737149534aca50c68afc25470e8492a74c06dd0b1ef93e10fd8f3f170cc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Applied physics</topic><topic>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</topic><topic>EXCITATION</topic><topic>GOLD</topic><topic>GRAPHENE</topic><topic>Hybrid systems</topic><topic>Nanorods</topic><topic>NANOSTRUCTURES</topic><topic>PHOTOLUMINESCENCE</topic><topic>Photon emission</topic><topic>RAMAN EFFECT</topic><topic>Raman spectra</topic><topic>SURFACES</topic><topic>WAVELENGTHS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>He, Yingbo</creatorcontrib><creatorcontrib>Lu, Guowei</creatorcontrib><creatorcontrib>Shen, Hongming</creatorcontrib><creatorcontrib>Cheng, Yuqing</creatorcontrib><creatorcontrib>Gong, Qihuang</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>He, Yingbo</au><au>Lu, Guowei</au><au>Shen, Hongming</au><au>Cheng, Yuqing</au><au>Gong, Qihuang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Strongly enhanced Raman scattering of graphene by a single gold nanorod</atitle><jtitle>Applied physics letters</jtitle><date>2015-08-03</date><risdate>2015</risdate><volume>107</volume><issue>5</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>Individual gold nanorods (AuNRs) and monolayer graphene hybrid system is investigated experimentally. Surface enhanced Raman scattering (SERS) signal of the graphene is observed due to a single AuNR with enhancement factor up to ∼1000-fold. The SERS intensity is strongly polarization dependent and the enhancement effect varies with the detuning between the excitation laser and the AuNR resonance. The SERS effect is highest when the resonant wavelength of the AuNRs matches well with the excitation light. By correlating the scattering and photoluminescence, it is demonstrated that the conventional background in SERS ascribes to the photon emission of metallic nanostructures.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4927759</doi></addata></record> |
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| ispartof | Applied physics letters, 2015-08, Vol.107 (5) |
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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS EXCITATION GOLD GRAPHENE Hybrid systems Nanorods NANOSTRUCTURES PHOTOLUMINESCENCE Photon emission RAMAN EFFECT Raman spectra SURFACES WAVELENGTHS |
| title | Strongly enhanced Raman scattering of graphene by a single gold nanorod |
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