A Dual-Responsive Magnetoactive and Electro–Ionic Soft Actuator Derived from a Nickel-Based Metal–Organic Framework

Manmatha Mahato, Won Jun Hwang, Rassoul Tabassian, Saewoong Oh, Van Hiep Nguyen, Sanghee Nam, Ji Seok Kim, Hyunjoon Yoo, Ashhad Kamal Taseer, Myung Joon Lee, Huapeng Zhang, Tae Eun Song, Il Kwon Oh*

*Corresponding author af dette arbejde

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1 Citationer (Scopus)

Abstract

There is growing demand for multiresponsive soft actuators for the realization of natural, safe, and complex motions in robotic interactions. In particular, soft actuators simultaneously stimulated by electrical and magnetic fields are always under development owing to their simple controllability and reliability during operation. Herein, magnetically and electrically driven dual-responsive soft actuators (MESAs) derived from novel nickel-based metal–organic frameworks (Ni-MOFs-700C), are reported. Nanoscale Ni-MOFs-700C has excellent electrochemical and magnetic properties that allow it to be used as a multifunctional material under both magnetoactive and electro-ionic actuations. The dual-responsive MESA exhibits a bending displacement of 30 mm and an ultrafast rising time of 1.5 s under a very low input voltage of 1 V and also exerts a bending deflection of 12.5 mm at 50 mT under a high excitation frequency of 5 Hz. By utilizing a dual-responsive MESA, the hovering motion of a hummingbird robot is demonstrated under magnetic and electrical stimuli.

OriginalsprogEngelsk
Artikelnummer2203613
TidsskriftAdvanced Materials
Vol/bind34
Nummer35
ISSN0935-9648
DOI
StatusUdgivet - sep. 2022

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