Material-Independent Nanotransfer onto a Flexible Substrate Using Mechanical-Interlocking Structure

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dc.contributor.authorSeo, Min-Hoko
dc.contributor.authorChoi, Seon-Jinko
dc.contributor.authorPark, Sang Hyunko
dc.contributor.authorYoo, Jae-Youngko
dc.contributor.authorLim, Sung Kyuko
dc.contributor.authorLee, Jae Shinko
dc.contributor.authorChoi, Kwang-Wookko
dc.contributor.authorJo, Minseungko
dc.contributor.authorKim, Il-Dooko
dc.contributor.authorYoon, Jun-Boko
dc.date.accessioned2018-06-19T08:29:21Z-
dc.date.available2018-06-19T08:29:21Z-
dc.date.created2018-06-18-
dc.date.created2018-06-18-
dc.date.issued2018-05-
dc.identifier.citationACS NANO, v.12, no.5, pp.4387 - 4397-
dc.identifier.issn1936-0851-
dc.identifier.urihttp://hdl.handle.net/10203/242625-
dc.description.abstractNanowire-transfer technology has received much attention thanks to its capability to fabricate high-performance flexible nanodevices with high simplicity and throughput. However, it is still challenging to extend the conventional nanowire-transfer method to the fabrication of a wide range of devices since a chemical-adhesion-based nanowire-transfer mechanism is complex and time-consuming, hindering successful transfer of diverse nanowires made of various materials. Here, we introduce a material-independent mechanical-interlocking based nanowire-transfer (MINT) method, fabricating ultralong and fully aligned nanowires on a large flexible substrate (2.5 X 2 cm(2)) in a highly robust manner. For the material-independent nanotransfer, we developed a mechanics-based nanotransfer method, which employs a dry-removable amorphous carbon (a-C) sacrificial layer between a vacuum-deposited nanowire and the underlying master mold. The controlled etching of the sacrificial layer enables the formation of a mechanical interlocking structure under the nanowire, facilitating peeling off of the nanowire from the master mold robustly and reliably. Using the developed MINT method, we successfully fabricated various metallic and semiconductor nanowire arrays on flexible substrates. We further demonstrated that the developed method is well suited to the reliable fabrication of highly flexible and high-performance nanoelectronic devices. As examples, a fully aligned gold (Au) microheater array exhibited high bending stability (10(6) cycling) and ultrafast (similar to 220 ms) heating operation up to similar to 100 degrees C. An ultralong Au heater-embedded cuprous-oxide (Cu2O) nanowire chemical gas sensor showed significantly improved reversible reaction kinetics toward NO2 with 10-fold enhancement in sensitivity at 100 degrees C.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.subjectAMORPHOUS-CARBON FILMS-
dc.subjectNANOWIRE ARRAYS-
dc.subjectTHERMAL-DEGRADATION-
dc.subjectCHEMICAL SENSORS-
dc.subjectFABRICATION-
dc.subjectTEMPERATURE-
dc.subjectELECTRODE-
dc.subjectHEATERS-
dc.subjectDEVICES-
dc.subjectGROWTH-
dc.titleMaterial-Independent Nanotransfer onto a Flexible Substrate Using Mechanical-Interlocking Structure-
dc.typeArticle-
dc.identifier.wosid000433404500034-
dc.identifier.scopusid2-s2.0-85047387313-
dc.type.rimsART-
dc.citation.volume12-
dc.citation.issue5-
dc.citation.beginningpage4387-
dc.citation.endingpage4397-
dc.citation.publicationnameACS NANO-
dc.identifier.doi10.1021/acsnano.8b00159-
dc.contributor.localauthorKim, Il-Doo-
dc.contributor.localauthorYoon, Jun-Bo-
dc.contributor.nonIdAuthorChoi, Seon-Jin-
dc.contributor.nonIdAuthorPark, Sang Hyun-
dc.contributor.nonIdAuthorLim, Sung Kyu-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthornanowire array-
dc.subject.keywordAuthortransfer-
dc.subject.keywordAuthoramorphous carbon-
dc.subject.keywordAuthorflexible heater-
dc.subject.keywordAuthorflexible gas sensor-
dc.subject.keywordPlusAMORPHOUS-CARBON FILMS-
dc.subject.keywordPlusNANOWIRE ARRAYS-
dc.subject.keywordPlusTHERMAL-DEGRADATION-
dc.subject.keywordPlusCHEMICAL SENSORS-
dc.subject.keywordPlusFABRICATION-
dc.subject.keywordPlusTEMPERATURE-
dc.subject.keywordPlusELECTRODE-
dc.subject.keywordPlusHEATERS-
dc.subject.keywordPlusDEVICES-
dc.subject.keywordPlusGROWTH-
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