RF plasma based selective modification of hydrophilic regions on super hydrophobic surface

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dc.contributor.authorLee, Jaehyunko
dc.contributor.authorHwang, Sangyeonko
dc.contributor.authorCho, Daehyunko
dc.contributor.authorHong, Jung Wooko
dc.contributor.authorShin, Jennifer Hyunjongko
dc.contributor.authorByun, Do Youngko
dc.date.accessioned2016-12-01T04:37:03Z-
dc.date.available2016-12-01T04:37:03Z-
dc.date.created2016-11-21-
dc.date.created2016-11-21-
dc.date.issued2017-02-
dc.identifier.citationAPPLIED SURFACE SCIENCE, v.394, pp.543 - 553-
dc.identifier.issn0169-4332-
dc.identifier.urihttp://hdl.handle.net/10203/214372-
dc.description.abstractSelective modification and regional alterations of the surface property have gained a great deal of attention to many engineers. In this paper, we present a simple, a cost-effective, and amendable reforming method for disparate patterns of hydrophilic regions on super-hydrophobic surfaces. Uniform super-hydrophobic layer (Contact angle; CA > 150 degrees, root mean square (RMS) roughness similar to 0.28 nm) can be formed using the atmospheric radio frequency (RF) plasma on top of the selective hydrophilic (CA similar to 70 degrees, RMS roughness similar to 0.34 nm) patterns imprinted by electrohydrodynamic (EHD) jet printing technology with polar alcohols (butyl carbitol or ethanol). The wettability of the modified surface was investigated qualitatively utilizing scanning electron microscopy (SEM), atomic force microscopy (AFM), and wavelength scanning interferometer (WSI). Secondary ion mass spectroscopy (SIMS) analysis showed that the alcohol addiction reaction changed the types of radicals on the super-hydrophobic surface. The wettability was found to depend sensitively on chemical radicals on the surface, not on surface morphology (particle size and surface roughness). Furthermore, three different kinds of representative hydrophilic samples (polystyrene nano-particle aqueous solution, Salmonella bacteria medium, and poly(3,4-ethylenediocythiophene) ink) were tested for uniform deposition onto the desired hydrophilic regions. This simple strategy would have broad applications in various research fields that require selective deposition of target materials. (C) 2016 Elsevier B.V. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE BV-
dc.subjectSUPERHYDROPHILIC-SUPERHYDROPHOBIC MICROPATTERNS-
dc.subjectELECTRON-BEAM LITHOGRAPHY-
dc.subjectSOLID-SURFACES-
dc.subjectRESOLUTION LIMITS-
dc.subjectFABRICATION-
dc.subjectPOLYMERIZATION-
dc.subjectWETTABILITY-
dc.subjectVISCOSITY-
dc.subjectCULTURE-
dc.subjectARRAYS-
dc.titleRF plasma based selective modification of hydrophilic regions on super hydrophobic surface-
dc.typeArticle-
dc.identifier.wosid000389152900063-
dc.identifier.scopusid2-s2.0-84994031554-
dc.type.rimsART-
dc.citation.volume394-
dc.citation.beginningpage543-
dc.citation.endingpage553-
dc.citation.publicationnameAPPLIED SURFACE SCIENCE-
dc.identifier.doi10.1016/j.apsusc.2016.10.113-
dc.contributor.localauthorShin, Jennifer Hyunjong-
dc.contributor.nonIdAuthorLee, Jaehyun-
dc.contributor.nonIdAuthorHwang, Sangyeon-
dc.contributor.nonIdAuthorCho, Daehyun-
dc.contributor.nonIdAuthorHong, Jung Woo-
dc.contributor.nonIdAuthorByun, Do Young-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorAdhesion-
dc.subject.keywordAuthorAtmospheric pressure glow discharge (APGD)-
dc.subject.keywordAuthorMicropatterning-
dc.subject.keywordAuthorPlasma polymerization-
dc.subject.keywordAuthorSurface modification-
dc.subject.keywordAuthorHydrophobic-
dc.subject.keywordAuthorHydrophilic-
dc.subject.keywordPlusSUPERHYDROPHILIC-SUPERHYDROPHOBIC MICROPATTERNS-
dc.subject.keywordPlusELECTRON-BEAM LITHOGRAPHY-
dc.subject.keywordPlusSOLID-SURFACES-
dc.subject.keywordPlusRESOLUTION LIMITS-
dc.subject.keywordPlusFABRICATION-
dc.subject.keywordPlusPOLYMERIZATION-
dc.subject.keywordPlusWETTABILITY-
dc.subject.keywordPlusVISCOSITY-
dc.subject.keywordPlusCULTURE-
dc.subject.keywordPlusARRAYS-
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