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Kwon, Tae-Hyuk
Energy Recognition
Research Interests
  • Energy transfer, organic solar cells, supercapacitor, ultrasonic spray chemistry, dithienothiophene, iridium complexes, phosphorescent bioapplications

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Bioinspired, High-Sensitivity Mechanical Sensors Realized with Hexagonal Microcolumnar Arrays Coated with Ultrasonic-Sprayed Single-Walled Carbon Nanotubes

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dc.contributor.author Jeong, Changyoon ko
dc.contributor.author Ko, Hangil ko
dc.contributor.author Kim, Hyun-Tak ko
dc.contributor.author Sun, Kahyun ko
dc.contributor.author Kwon, Tae-Hyuk ko
dc.contributor.author Jeong, Hoon Eui ko
dc.contributor.author Park, Young-Bin ko
dc.date.available 2020-06-08T01:37:50Z -
dc.date.created 2020-05-25 ko
dc.date.issued 2020-04 ko
dc.identifier.citation ACS APPLIED MATERIALS & INTERFACES, v.12, no.16, pp.18813 - 18822 ko
dc.identifier.issn 1944-8244 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/32304 -
dc.description.abstract The development of a flexible electronic skin (e-skin) highly sensitive to multimodal vibrations and a specialized sensing ability is of great interest for a plethora of applications, such as tactile sensors for robots, seismology, healthcare, and wearable electronics. Here, we present an e-skin design characterized by a bioinspired, microhexagonal structure coated with single-walled carbon nanotubes (SWCNTs) using an ultrasonic spray method. We have demonstrated the outstanding performances of the device in terms of the capability to detect both static and dynamic mechanical stimuli including pressure, shear displacement, and bending using the principles of piezoresistivity. Because of the hexagonal microcolumnar array, whose contact area changes according to the mechanical stimuli applied, the interlock-optimized geometry shows an enhanced sensitivity. This produces an improved ability to discriminate the different mechanical stimuli that might be applied. Moreover, we show that our e-skins can detect, discriminate, and monitor various intensities of different external and internal vibrations, which is a useful asset for various applications, such as seismology, smart phones, wearable human skins (voice monitoring), etc. ko
dc.language 영어 ko
dc.publisher AMER CHEMICAL SOC ko
dc.title Bioinspired, High-Sensitivity Mechanical Sensors Realized with Hexagonal Microcolumnar Arrays Coated with Ultrasonic-Sprayed Single-Walled Carbon Nanotubes ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85084026827 ko
dc.identifier.wosid 000529202100065 ko
dc.type.rims ART ko
dc.identifier.doi 10.1021/acsami.9b23370 ko
dc.identifier.url https://pubs.acs.org/doi/10.1021/acsami.9b23370 ko
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