A flexible metallic actuator using reduced graphene oxide as a multifunctional component

Junxing Meng; Jiuke Mu; Chengyi Hou; Qinghong Zhang; Yaogang Li; Hongzhi Wang

doi:10.1039/C7NR03028B

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A flexible metallic actuator using reduced graphene oxide as a multifunctional component†

Junxing Meng,‡^a Jiuke Mu,‡^a Chengyi Hou,*^a Qinghong Zhang,

^b Yaogang Li^b and Hongzhi Wang

*^a

Author affiliations

* Corresponding authors

^a State Key Laboratory for Modification of Chemical Fibres and Polymer Materials, College of Material Science and Engineering, Donghua University, Shanghai, China
E-mail: wanghz@dhu.edu.cn, hcy@dhu.edu.cn

^b Engineering Research Center of Advanced Glasses Manufacturing Technology, MOE, Donghua University, Shanghai, China

Abstract

Flexible actuators are widely in demand for many real-life applications. Considering that existing actuators based on polymers, low-dimensional materials and pore-rich materials are mostly limited by slow response rate, high driving voltage and poor stability, we report here a novel metal based flexible actuator which is fabricated simply through partial oxidation and nano-function of copper foil with the assistance of reduced graphene oxide. The obtained asymmetric metallic actuator is (electric-)thermally driven and exhibits fast response rate (∼2 s) and large curvature (2.4 cm⁻¹) under a low voltage (∼1 V) with a sustainable operation of up to ∼50 000 cycles. The actuator can also be triggered by infrared irradiation and direct-heating under various conditions including air, water, and vacuum.

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DOI: https://doi.org/10.1039/C7NR03028B
Article type: Paper
Submitted: 28 Apr 2017
Accepted: 03 Aug 2017
First published: 04 Aug 2017

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Nanoscale, 2017,9, 12963-12968

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A flexible metallic actuator using reduced graphene oxide as a multifunctional component

J. Meng, J. Mu, C. Hou, Q. Zhang, Y. Li and H. Wang, Nanoscale, 2017, 9, 12963 DOI: 10.1039/C7NR03028B

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A flexible metallic actuator using reduced graphene oxide as a multifunctional component†

Abstract

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A flexible metallic actuator using reduced graphene oxide as a multifunctional component

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