Highly Flexible, Conductive, and Antibacterial Surfaces Toward Multifunctional Flexible Electronics

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dc.authorid0000-0001-6637-7191
dc.authorid0000-0002-0512-7209
dc.contributor.authorRuzgar, Duygu Gazioglu
dc.contributor.authorAkin, Semih
dc.contributor.authorLee, Seungjun
dc.contributor.authorWalsh, Julia
dc.contributor.authorLee, Hyowon Hugh
dc.contributor.authorJeong, Young Hun
dc.contributor.authorJun, Martin Byung-Guk
dc.date.accessioned2026-02-08T15:15:06Z
dc.date.available2026-02-08T15:15:06Z
dc.date.issued2024
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractConductive metallization of polymer surfaces, owing to the integration of unique features of dissimilar materials (i.e., polymer + metal), is becoming the central focus in flexible polymer electronics. However, fabrication of multifunctional surfaces on polymers in a high-throughput and robust manner at ambient conditions remains challenging. In this study, we employ the cold spray (CS) particle deposition technique to produce multifunctional hybrid surfaces on a flexible polymeric substrate (PET) toward flexible electronics. In this regard, soft metal particles (Sn), are deposited on the polymer surface as an interlayer followed by the over-coating of hard metal (Cu) film to create hybrid (Sn + Cu) surfaces. Studies on microstructure, adhesion strength, and water contact angle are conducted to characterize the resulting surface structure. By leveraging the optimum CS settings, multifunctional surfaces with promising electrical conductivity (5.96 x 10(5) S.m(-1)), flexibility, adhesive strength, and hydrophobicity (contact angle approximate to 122 degrees) were achieved. Moreover, the antibacterial performance of the surface is confirmed by the in vitro antibacterial tests in a manner that > 99% of the bacteria were inhibited. This work provides a promising strategy for high-throughput manufacturing of multifunctional surfaces (flexible + conductive + antibacterial surfaces) toward multifunctional flexible electronics.
dc.description.sponsorshipTubitak; Scientific and Technological Research Council of Turkey (TUBITAK); Korean Government (MSIT) [ECCS-1944480]; National Science Foundation (United States)
dc.description.sponsorshipThe first author of this study, D.G.R, acknowledges a grant (2219-International Postdoctoral Research Fellowship Program for Turkish Citizens) by The Scientific and Technological Research Council of Turkey (TUBITAK). S.L acknowledges scholarship support by the Korean Government (MSIT) (No.2021-0-01577). This work was also supported in part by the National Science Foundation (United States) under grants ECCS-1944480. Acknowledgment is also given to Dr. Herman O. Sintim, Dr. Jones Lamptey & Kofi Simpa Yeboah of the Sintim Research Group at Purdue University for providing the bacteria, time, and workspace for this project.
dc.identifier.doi10.1007/s40684-024-00608-w
dc.identifier.endpage1836
dc.identifier.issn2288-6206
dc.identifier.issn2198-0810
dc.identifier.issue6
dc.identifier.scopus2-s2.0-85191082460
dc.identifier.scopusqualityQ1
dc.identifier.startpage1823
dc.identifier.urihttps://doi.org/10.1007/s40684-024-00608-w
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5593
dc.identifier.volume11
dc.identifier.wosWOS:001206239100001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherKorean Soc Precision Eng
dc.relation.ispartofInternational Journal of Precision Engineering and Manufacturing-Green Technology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzWOS_KA_20260207
dc.subjectMultifunctional surface
dc.subjectCold spray
dc.subjectFlexible electronics
dc.subjectPolymer metallization
dc.subjectAntibacterial coating
dc.titleHighly Flexible, Conductive, and Antibacterial Surfaces Toward Multifunctional Flexible Electronics
dc.typeArticle

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