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UV/Ozone-Oxidized Large-Scale Graphene Platform with Large Chemical Enhancement in Surface-Enhanced Raman Scattering
DC Field | Value | Language |
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dc.contributor.author | Huh, Sung | - |
dc.contributor.author | Park, Jaesung | - |
dc.contributor.author | Kim, Young Soo | - |
dc.contributor.author | Kim, Kwang S. | - |
dc.contributor.author | Hong, Byung Hee | - |
dc.contributor.author | Nam, Jwa-Min | - |
dc.date.accessioned | 2021-01-31T08:26:46Z | - |
dc.date.available | 2021-01-31T08:26:46Z | - |
dc.date.created | 2020-12-10 | - |
dc.date.issued | 2011-12 | - |
dc.identifier.citation | ACS Nano, Vol.5 No.12, pp.9799-9806 | - |
dc.identifier.issn | 1936-0851 | - |
dc.identifier.other | 118969 | - |
dc.identifier.uri | https://hdl.handle.net/10371/172122 | - |
dc.description.abstract | We fabricated a highly oxidized large-scale graphene platform using chemical vapor deposition (CVD) and UV/ozone-based oxidation methods. This platform offers a large-scale surface-enhanced Raman scattering (SERS) substrate with large chemical enhancement in SERS and reproducible SEAS signals over a centimeter-scale graphene surface. After UV-induced ozone generation, ozone molecules were reacted with graphene to produce oxygen-containing groups on graphene and induced the p-type doping of the graphene. These modifications introduced the structural disorder and defects on the graphene surface and resulted in a large chemical mechanism-based signal enhancement from Raman dye molecules [rhodamine B (RhB), rhodamine 6G (R6G), and crystal violet (CV) in this case] on graphene. Importantly, the enhancement factors were increased from similar to 10(3) before ozone treatment to similar to 10(4), which is the largest chemical enhancement factor ever on graphene, after 5 min ozone treatment due to both high oxidation and p-doping effects on graphene surface. Over a centimeter-scale area of this UV/ozone-oxidized graphene substrate, strong SERS signals were repeatedly and reproducibly detected. In a UV/ozone-based micropattern, UV/ozone-treated areas were highly Raman-active while nontreated areas displayed very weak Raman signals. | - |
dc.language | 영어 | - |
dc.publisher | American Chemical Society | - |
dc.title | UV/Ozone-Oxidized Large-Scale Graphene Platform with Large Chemical Enhancement in Surface-Enhanced Raman Scattering | - |
dc.type | Article | - |
dc.contributor.AlternativeAuthor | 홍병희 | - |
dc.identifier.doi | 10.1021/nn204156n | - |
dc.citation.journaltitle | ACS Nano | - |
dc.identifier.wosid | 000298316700052 | - |
dc.identifier.scopusid | 2-s2.0-84555202879 | - |
dc.citation.endpage | 9806 | - |
dc.citation.number | 12 | - |
dc.citation.startpage | 9799 | - |
dc.citation.volume | 5 | - |
dc.identifier.sci | 000298316700052 | - |
dc.description.isOpenAccess | N | - |
dc.contributor.affiliatedAuthor | Hong, Byung Hee | - |
dc.contributor.affiliatedAuthor | Nam, Jwa-Min | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.subject.keywordPlus | CARBON NANOTUBES | - |
dc.subject.keywordPlus | OZONE OXIDATION | - |
dc.subject.keywordPlus | SPECTROSCOPY | - |
dc.subject.keywordPlus | NANOPARTICLES | - |
dc.subject.keywordPlus | ADSORPTION | - |
dc.subject.keywordPlus | SUBSTRATE | - |
dc.subject.keywordPlus | MOLECULES | - |
dc.subject.keywordPlus | SPECTRA | - |
dc.subject.keywordPlus | SILVER | - |
dc.subject.keywordPlus | SERS | - |
dc.subject.keywordAuthor | graphene | - |
dc.subject.keywordAuthor | oxidized graphene | - |
dc.subject.keywordAuthor | ozone | - |
dc.subject.keywordAuthor | surface-enhanced Raman scattering | - |
dc.subject.keywordAuthor | chemical enhancement | - |
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