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Park, Soojin
Nano-Functional Materials Lab
Research Interests
  • Block Copolymers, nanostructured materials for Lithium-Ion batteries, wearable and stretchable energy storage applications

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pH-tunable plasmonic properties of Ag nanoparticle cores in block copolymer micelle arrays on Ag films

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dc.contributor.author Lee, Jiwon ko
dc.contributor.author Yoo, Seugmin ko
dc.contributor.author Shin, Myoungsoo ko
dc.contributor.author Choe, Ayoung ko
dc.contributor.author Park, Soojin ko
dc.contributor.author Ko, Hyunhyub ko
dc.date.available 2015-07-29T00:53:22Z -
dc.date.created 2015-07-28 ko
dc.date.issued 2015-06 ko
dc.identifier.citation JOURNAL OF MATERIALS CHEMISTRY A, v.3, no.22, pp.11730 - 11735 ko
dc.identifier.issn 2050-7488 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/12770 -
dc.description.abstract Particle-on-film plasmonic systems provide interesting plasmonic properties, which can be easily tuned by controlling the particle-film gaps. However, there has been no study on the active control of gap distances and the resulting plasmonic properties in response to the external stimuli. In this study, we introduce a particle-film plasmonic system with the ability of active control of particle-film gap distances and thus the plasmonic properties based on pH-responsive block copolymer micelle-metal monolayer arrays on metal films. We synthesize pH-sensitive polystyrene-block-poly(4-vinylpyridine) (PS-b-P4VP) spherical micelles that contain Ag nanoparticles in the micellar core. Then, we demonstrate that the pH-sensitive micelle monolayer films on Ag films modulate gap distances between the Ag nanoparticles (Ag NPs) within micelle cores and Ag films, leading to great changes in particle-film plasmon couplings (gap plasmons) that strongly influence the surface-enhanced Raman scattering (SERS) signal. The suggested plasmonic system with dynamic plasmonic properties will play a critical role in diverse applications such as chemical and biosensors, diagnostics, and smart optical devices ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher ROYAL SOC CHEMISTRY ko
dc.title pH-tunable plasmonic properties of Ag nanoparticle cores in block copolymer micelle arrays on Ag films ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84930617932 ko
dc.identifier.wosid 000355556300006 ko
dc.type.rims ART ko
dc.description.wostc 0 *
dc.description.scopustc 0 *
dc.date.tcdate 2015-12-28 *
dc.date.scptcdate 2015-11-04 *
dc.identifier.doi 10.1039/c5ta02085a ko
dc.identifier.url http://pubs.rsc.org.library.unist.ac.kr:8010/en/Content/ArticleLanding/2015/TA/C5TA02085A#!divAbstract ko
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