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DC Field | Value | Language |
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dc.citation.endPage | 11077 | - |
dc.citation.number | 20 | - |
dc.citation.startPage | 11068 | - |
dc.citation.title | JOURNAL OF PHYSICAL CHEMISTRY C | - |
dc.citation.volume | 120 | - |
dc.contributor.author | Go, Eun Min | - |
dc.contributor.author | Lee, Tae Kyung | - |
dc.contributor.author | Min, Sa Hoon | - |
dc.contributor.author | Jeon, Woo Cheol | - |
dc.contributor.author | Kim, Byeong-Su | - |
dc.contributor.author | Yeom, Min Sun | - |
dc.contributor.author | Kwak, Sang Kyu | - |
dc.date.accessioned | 2023-12-21T23:43:31Z | - |
dc.date.available | 2023-12-21T23:43:31Z | - |
dc.date.created | 2016-06-14 | - |
dc.date.issued | 2016-05 | - |
dc.description.abstract | Au nanoparticle (Au-NP) sensors need a high surface plasmon resonance intensity and a low steric effect for efficient labeling in sensors. Since dimers meet these requirements, we have theoretically studied the self-assembly of monomer and dimer Au-NPs by considering influential factors such as Au-NP size, polymer thickness, and gap distance between dimer Au-NPs. In order to control the monomerization and dimerization of spherical Au-NPs and their sizes via self-assembly, two polymers (hydrophilic PEG and hydrophobic PMMA) were grafted on the Au-NPs as amphiphilic brushes. Computational methods of dissipative particle dynamics and discrete dipole approximation were employed for virtual self-assembly and theoretical analyses of plasmons related to sensing properties, respectively. We found that the bigger Au-NPs were obtained when the amounts of each polymer were roughly identical and the gap distance between Au-NPs in the dimer was shorter when the amount of PMMA was reduced within the condition of dimerization. This theoretical study revealed an optimal near-contact distance for Au-NPs@PMMA/PEG, where the electron tunneling effect was minimized, and reported unseen roles of polymers and plasmons, which consequently allowed achieving a highly efficient Au-NP dimer sensor. | - |
dc.identifier.bibliographicCitation | JOURNAL OF PHYSICAL CHEMISTRY C, v.120, no.20, pp.11068 - 11077 | - |
dc.identifier.doi | 10.1021/acs.jpcc.6b01055 | - |
dc.identifier.issn | 1932-7447 | - |
dc.identifier.scopusid | 2-s2.0-84971432039 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/19678 | - |
dc.identifier.url | http://pubs.acs.org/doi/abs/10.1021/acs.jpcc.6b01055 | - |
dc.identifier.wosid | 000376840900038 | - |
dc.language | 영어 | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.title | Theoretical Study on Enhancement of Sensing Capability of Plasmonic Dimer Au Nanoparticles with Amphiphilic Polymer Brushes | - |
dc.type | Article | - |
dc.description.isOpenAccess | FALSE | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary | - |
dc.relation.journalResearchArea | Chemistry; Science & Technology - Other Topics; Materials Science | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordPlus | DISSIPATIVE PARTICLE DYNAMICS | - |
dc.subject.keywordPlus | DISCRETE-DIPOLE APPROXIMATION | - |
dc.subject.keywordPlus | CHARGE-TRANSFER PLASMONS | - |
dc.subject.keywordPlus | QUANTUM-CORRECTED MODEL | - |
dc.subject.keywordPlus | GOLD NANOPARTICLES | - |
dc.subject.keywordPlus | OPTICAL-PROPERTIES | - |
dc.subject.keywordPlus | BLOCK-COPOLYMER | - |
dc.subject.keywordPlus | MESOSCOPIC SIMULATION | - |
dc.subject.keywordPlus | SIZE | - |
dc.subject.keywordPlus | ABSORPTION | - |
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