Surface Modification of Anisotropic Dielectric Elastomer Actuators with Uni- and Bi-axially Wrinkled Carbon Electrodes for Wettability Control

Abstract Interest in soft actuators for next-generation electronic devices, such as wearable electronics, haptic feedback systems, rollable flexible displays, and soft robotics, is rapidly growing. However, for more practical applications in diverse electronic devices, soft actuators require multipl...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Kiwoo Jun, Donggyu Kim, Seunghwa Ryu, Il-Kwon Oh
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/63adc0203bdc41d38b1f5be16e336cd5
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:63adc0203bdc41d38b1f5be16e336cd5
record_format	dspace
spelling	oai:doaj.org-article:63adc0203bdc41d38b1f5be16e336cd52021-12-02T12:30:25ZSurface Modification of Anisotropic Dielectric Elastomer Actuators with Uni- and Bi-axially Wrinkled Carbon Electrodes for Wettability Control10.1038/s41598-017-06274-02045-2322https://doaj.org/article/63adc0203bdc41d38b1f5be16e336cd52017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-06274-0https://doaj.org/toc/2045-2322Abstract Interest in soft actuators for next-generation electronic devices, such as wearable electronics, haptic feedback systems, rollable flexible displays, and soft robotics, is rapidly growing. However, for more practical applications in diverse electronic devices, soft actuators require multiple functionalities including anisotropic actuation in three-dimensional space, active tactile feedback, and controllable wettability. Herein, we report anisotropic dielectric elastomer actuators with uni- and bi-axially wrinkled carbon black electrodes that are formed through pre-streching and relaxation processes. The wrinkled dielectric elastomer actuator (WDEA) that shows directional actuation under electric fields is used to control the anisotropic wettability. The morphology changes of the electrode surfaces under various electric stimuli are investigated by measuring the contact angles of water droplets, and the results show that the controllable wettability has a broad range from 141° to 161° along the wrinkle direction. The present study successfully demonstrates that the WDEA under electrically controlled inputs can be used to modulate the uni- or bi-axially wrinkled electrode surfaces with continous roughness levels. The controllable wrinkled structures can play an important role in creating adaptable water repellency and tunable anisotropic wettability.Kiwoo JunDonggyu KimSeunghwa RyuIl-Kwon OhNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Kiwoo Jun Donggyu Kim Seunghwa Ryu Il-Kwon Oh Surface Modification of Anisotropic Dielectric Elastomer Actuators with Uni- and Bi-axially Wrinkled Carbon Electrodes for Wettability Control
description	Abstract Interest in soft actuators for next-generation electronic devices, such as wearable electronics, haptic feedback systems, rollable flexible displays, and soft robotics, is rapidly growing. However, for more practical applications in diverse electronic devices, soft actuators require multiple functionalities including anisotropic actuation in three-dimensional space, active tactile feedback, and controllable wettability. Herein, we report anisotropic dielectric elastomer actuators with uni- and bi-axially wrinkled carbon black electrodes that are formed through pre-streching and relaxation processes. The wrinkled dielectric elastomer actuator (WDEA) that shows directional actuation under electric fields is used to control the anisotropic wettability. The morphology changes of the electrode surfaces under various electric stimuli are investigated by measuring the contact angles of water droplets, and the results show that the controllable wettability has a broad range from 141° to 161° along the wrinkle direction. The present study successfully demonstrates that the WDEA under electrically controlled inputs can be used to modulate the uni- or bi-axially wrinkled electrode surfaces with continous roughness levels. The controllable wrinkled structures can play an important role in creating adaptable water repellency and tunable anisotropic wettability.
format	article
author	Kiwoo Jun Donggyu Kim Seunghwa Ryu Il-Kwon Oh
author_facet	Kiwoo Jun Donggyu Kim Seunghwa Ryu Il-Kwon Oh
author_sort	Kiwoo Jun
title	Surface Modification of Anisotropic Dielectric Elastomer Actuators with Uni- and Bi-axially Wrinkled Carbon Electrodes for Wettability Control
title_short	Surface Modification of Anisotropic Dielectric Elastomer Actuators with Uni- and Bi-axially Wrinkled Carbon Electrodes for Wettability Control
title_full	Surface Modification of Anisotropic Dielectric Elastomer Actuators with Uni- and Bi-axially Wrinkled Carbon Electrodes for Wettability Control
title_fullStr	Surface Modification of Anisotropic Dielectric Elastomer Actuators with Uni- and Bi-axially Wrinkled Carbon Electrodes for Wettability Control
title_full_unstemmed	Surface Modification of Anisotropic Dielectric Elastomer Actuators with Uni- and Bi-axially Wrinkled Carbon Electrodes for Wettability Control
title_sort	surface modification of anisotropic dielectric elastomer actuators with uni- and bi-axially wrinkled carbon electrodes for wettability control
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/63adc0203bdc41d38b1f5be16e336cd5
work_keys_str_mv	AT kiwoojun surfacemodificationofanisotropicdielectricelastomeractuatorswithuniandbiaxiallywrinkledcarbonelectrodesforwettabilitycontrol AT donggyukim surfacemodificationofanisotropicdielectricelastomeractuatorswithuniandbiaxiallywrinkledcarbonelectrodesforwettabilitycontrol AT seunghwaryu surfacemodificationofanisotropicdielectricelastomeractuatorswithuniandbiaxiallywrinkledcarbonelectrodesforwettabilitycontrol AT ilkwonoh surfacemodificationofanisotropicdielectricelastomeractuatorswithuniandbiaxiallywrinkledcarbonelectrodesforwettabilitycontrol
_version_	1718394401487585280

Surface Modification of Anisotropic Dielectric Elastomer Actuators with Uni- and Bi-axially Wrinkled Carbon Electrodes for Wettability Control

Ejemplares similares