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dc.contributor.author Jeong, Wooseong ko
dc.contributor.author Gwon, Gihyeok ko
dc.contributor.author Ha, Jae-Hyun ko
dc.contributor.author Kim, Dongha ko
dc.contributor.author Eom, Ki-Joo ko
dc.contributor.author Park, Ju Hyang ko
dc.contributor.author Kang, Seok Ju ko
dc.contributor.author Kwak, Bongseop ko
dc.contributor.author Hong, Jung-Il ko
dc.contributor.author Lee, Shinbuhm ko
dc.contributor.author Hyun, Dong Choon ko
dc.contributor.author Lee, Sungwon ko
dc.date.accessioned 2021-01-22T06:54:13Z -
dc.date.available 2021-01-22T06:54:13Z -
dc.date.created 2020-10-26 -
dc.date.issued 2021-01 -
dc.identifier.citation Biosensors and Bioelectronics, v.171, pp.112717 -
dc.identifier.issn 0956-5663 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/12620 -
dc.description.abstract This paper reports a new biocompatible conductivity enhancement of poly (3,4-ethylenedioxythiophene):poly (styrene sulfonate) (PEDOT:PSS) films for biomedical applications. Conductivity of PEDOT:PSS layer was reproducibly from 0.495 to 125.367 S cm−1 by hydrothermal (HT) treatment. The HT treatment employs water (relative humidity > 80%) and heat (temperature > 61 °C) instead of organic solvent doping and post-treatments, which can leave undesirable residue. The treatment can be performed using the sterilizing conditions of an autoclave. Additionally, it is possible to simultaneously reduce the electrical resistance, and sterilize the electrode for practical use. The key to conductivity enhancement was the structural rearrangement of PEDOT:PSS, which was determined using atomic force microscopy, X-ray diffraction, Raman spectroscopy, X-ray photoelectron spectroscopy, and ultraviolet–visible spectroscopy. It was found that PEDOT inter-bridging occurred as a result of the structural rearrangement. Therefore, the conductivity increased on account of the continuous conductive pathways of the PEDOT chains. To test the biocompatible enhancement technique for biomedical applications, certain demonstrations, such as the monitoring of joint movements and skin temperature, and measuring electrocardiogram signals were conducted with the hydrothermal-treated PEDOT:PSS electrode. This simple, biocompatible treatment exhibited significant potential for use in other biomedical applications as well. © 2020 Elsevier B.V. -
dc.language English -
dc.publisher Pergamon Press Ltd. -
dc.title Enhancing the conductivity of PEDOT:PSS films for biomedical applications via hydrothermal treatment -
dc.type Article -
dc.identifier.doi 10.1016/j.bios.2020.112717 -
dc.identifier.wosid 000603555000002 -
dc.identifier.scopusid 2-s2.0-85092433907 -
dc.type.local Article(Overseas) -
dc.type.rims ART -
dc.description.journalClass 1 -
dc.contributor.nonIdAuthor Eom, Ki-Joo -
dc.contributor.nonIdAuthor Park, Ju Hyang -
dc.contributor.nonIdAuthor Kang, Seok Ju -
dc.contributor.nonIdAuthor Kwak, Bongseop -
dc.contributor.nonIdAuthor Hyun, Dong Choon -
dc.identifier.citationVolume 171 -
dc.identifier.citationStartPage 112717 -
dc.identifier.citationTitle Biosensors and Bioelectronics -
dc.type.journalArticle Article -
dc.description.isOpenAccess N -
dc.subject.keywordAuthor PEDOT:PSS -
dc.subject.keywordAuthor Conductive polymer -
dc.subject.keywordAuthor Conductivity enhancement -
dc.subject.keywordAuthor Biometric device -
dc.subject.keywordAuthor Health monitoring -
dc.subject.keywordAuthor Hydrothermal treatment -
dc.subject.keywordPlus ENHANCEMENT -
dc.subject.keywordPlus ELECTRONICS -
dc.contributor.affiliatedAuthor Hong, Jung-Il -
dc.contributor.affiliatedAuthor Lee, Shinbuhm -
dc.contributor.affiliatedAuthor Lee, Sungwon -

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