Highly Efficient and Reliable Organic Light-Emitting Diodes Enabled by a Multifunctional Hazy Substrate for Extreme Environments

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dc.contributor.authorJeon, Yongminko
dc.contributor.authorLee, Tae-Yunko
dc.contributor.authorNam, Minwooko
dc.contributor.authorLee, Hyeongjunko
dc.contributor.authorKim, Hyeunwooko
dc.contributor.authorLee, Sun-Wooko
dc.contributor.authorOh, Seung Jinko
dc.contributor.authorChoi, Seungyeopko
dc.contributor.authorYang, Jun-Yeongko
dc.contributor.authorJung, Sunghoonko
dc.contributor.authorLee, Seunghunko
dc.contributor.authorByeon, Eun-Yeonko
dc.contributor.authorKim, Taek-Sooko
dc.contributor.authorJeon, Heonsuko
dc.contributor.authorKwon, Jeong Hyunko
dc.date.accessioned2024-09-05T06:00:15Z-
dc.date.available2024-09-05T06:00:15Z-
dc.date.created2024-01-16-
dc.date.issued2024-05-
dc.identifier.citationADVANCED FUNCTIONAL MATERIALS, v.34, no.18-
dc.identifier.issn1616-301X-
dc.identifier.urihttp://hdl.handle.net/10203/322639-
dc.description.abstractAs transparent, flexible, and wearable organic electronics degrade under normal outdoor environmental conditions (e.g., water vapor, oxygen, and UV light) and extreme environments, including washing or rain, a customized encapsulation technology is required to improve device reliability. Herein, a simple process is presented for fabricating multifunctional hazy substrates (MFHSs) with excellent gas diffusion barrier (GDB), flexibility, UV reflectance, light scattering, and waterproof properties. First, a spiky polyethylene terephthalate (PET) surface is produced with 76.0% optical haze through ion-beam treatment followed by the formation of a hydrophobic layer to achieve a waterproof effect (contact angle: 153.3 degrees). Then, a multifunctional multibarrier film is fabricated based on a nano-laminated distributed Bragg reflector and functional polymer on the functional PET substrate to serve as a GDB and UV filter. This multibarrier film has excellent mechanical and chemical stabilities, in addition to having a water vapor transmission rate of 10(-6) g m(-2) day(-1) and UV transmittance of <3%. The so-fabricated MFHS not only increases the device efficiency by 73% but also enables a highly flexible and environmentally stable organic light-emitting diode. The surface treatment and encapsulation technologies developed in this study are expected to increase the lifetime of organic devices and facilitate high outdoor usability.-
dc.languageEnglish-
dc.publisherWILEY-V C H VERLAG GMBH-
dc.titleHighly Efficient and Reliable Organic Light-Emitting Diodes Enabled by a Multifunctional Hazy Substrate for Extreme Environments-
dc.typeArticle-
dc.identifier.wosid001133898900001-
dc.identifier.scopusid2-s2.0-85180845647-
dc.type.rimsART-
dc.citation.volume34-
dc.citation.issue18-
dc.citation.publicationnameADVANCED FUNCTIONAL MATERIALS-
dc.identifier.doi10.1002/adfm.202310268-
dc.contributor.localauthorKim, Taek-Soo-
dc.contributor.nonIdAuthorJeon, Yongmin-
dc.contributor.nonIdAuthorLee, Tae-Yun-
dc.contributor.nonIdAuthorLee, Hyeongjun-
dc.contributor.nonIdAuthorKim, Hyeunwoo-
dc.contributor.nonIdAuthorYang, Jun-Yeong-
dc.contributor.nonIdAuthorJung, Sunghoon-
dc.contributor.nonIdAuthorLee, Seunghun-
dc.contributor.nonIdAuthorByeon, Eun-Yeon-
dc.contributor.nonIdAuthorJeon, Heonsu-
dc.contributor.nonIdAuthorKwon, Jeong Hyun-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle; Early Access-
dc.subject.keywordAuthorALD nanolaminate-
dc.subject.keywordAuthorion-beam-
dc.subject.keywordAuthorlight extration effect-
dc.subject.keywordAuthororganic light-emitting diodes (OLED)-
dc.subject.keywordAuthorpolyethylene terephthalate (PET)-
dc.subject.keywordAuthorwearable encapsulation-
dc.subject.keywordPlusTHIN-FILMS-
dc.subject.keywordPlusENCAPSULATION-
dc.subject.keywordPlusLAYER-
dc.subject.keywordPlusPERFORMANCE-
dc.subject.keywordPlusRESISTANT-
dc.subject.keywordPlusCOLORLESS-
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