Temperature-Controlled Direct Imprinting of Ag Ionic Ink: Flexible Metal Grid Transparent Conductors with Enhanced Electromechanical Durability

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dc.contributor.authorOh, Yong Sukko
dc.contributor.authorChoi, Hyesunko
dc.contributor.authorLee, Jaehoko
dc.contributor.authorLee, Hyunwooko
dc.contributor.authorChoi, Dong Yunko
dc.contributor.authorLee, Sung Ukko
dc.contributor.authorYun, Kyeong-Sooko
dc.contributor.authorYoo, Seunghyupko
dc.contributor.authorKim, Taek-Sooko
dc.contributor.authorPark, Inkyuko
dc.contributor.authorSung, Hyung Jinko
dc.date.accessioned2017-10-23T01:59:37Z-
dc.date.available2017-10-23T01:59:37Z-
dc.date.created2017-10-10-
dc.date.created2017-10-10-
dc.date.created2017-10-10-
dc.date.issued2017-09-
dc.identifier.citationSCIENTIFIC REPORTS, v.7-
dc.identifier.issn2045-2322-
dc.identifier.urihttp://hdl.handle.net/10203/226442-
dc.description.abstractNext-generation transparent conductors (TCs) require excellent electromechanical durability under mechanical deformations as well as high electrical conductivity and transparency. Here we introduce a method for the fabrication of highly conductive, low-porosity, flexible metal grid TCs via temperature-controlled direct imprinting (TCDI) of Ag ionic ink. The TCDI technique based on two-step heating is capable of not only stably capturing the Ag ionic ink, but also reducing the porosity of thermally decomposed Ag nanoparticle structures by eliminating large amounts of organic complexes. The porosity reduction of metal grid TCs on a glass substrate leads to a significant decrease of the sheet resistance from 21.5 to 5.5 Omega sq(-1) with an optical transmittance of 91% at lambda = 550 nm. The lowporosity metal grid TCs are effectively embedded to uniform, thin and transparent polymer films with negligible resistance changes from the glass substrate having strong interfacial fracture energy (8.2 J m(-2)). Finally, as the porosity decreases, the flexible metal grid TCs show a significantly enhanced electromechanical durability under bending stresses. Organic light-emitting diodes based on the flexible metal grid TCs as anode electrodes are demonstrated.-
dc.languageEnglish-
dc.publisherNATURE PUBLISHING GROUP-
dc.subjectLIGHT-EMITTING-DIODES-
dc.subjectORGANIC SOLAR-CELLS-
dc.subjectELECTRODES-
dc.subjectFILMS-
dc.subjectNANOPARTICLES-
dc.subjectFABRICATION-
dc.subjectFATIGUE-
dc.subjectNETWORK-
dc.titleTemperature-Controlled Direct Imprinting of Ag Ionic Ink: Flexible Metal Grid Transparent Conductors with Enhanced Electromechanical Durability-
dc.typeArticle-
dc.identifier.wosid000410064000056-
dc.identifier.scopusid2-s2.0-85038584826-
dc.type.rimsART-
dc.citation.volume7-
dc.citation.publicationnameSCIENTIFIC REPORTS-
dc.identifier.doi10.1038/s41598-017-11475-8-
dc.contributor.localauthorYoo, Seunghyup-
dc.contributor.localauthorKim, Taek-Soo-
dc.contributor.localauthorPark, Inkyu-
dc.contributor.localauthorSung, Hyung Jin-
dc.contributor.nonIdAuthorOh, Yong Suk-
dc.contributor.nonIdAuthorLee, Jaeho-
dc.contributor.nonIdAuthorChoi, Dong Yun-
dc.description.isOpenAccessY-
dc.type.journalArticleArticle-
dc.subject.keywordPlusLIGHT-EMITTING-DIODES-
dc.subject.keywordPlusORGANIC SOLAR-CELLS-
dc.subject.keywordPlusELECTRODES-
dc.subject.keywordPlusFILMS-
dc.subject.keywordPlusNANOPARTICLES-
dc.subject.keywordPlusFABRICATION-
dc.subject.keywordPlusFATIGUE-
dc.subject.keywordPlusNETWORK-
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