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Highly Stretchable and Transparent Ionogels as Nonvolatile Conductors for Dielectric Elastomer Transducers

Open access
Chen, Baohong, Lu, Jing Jing, Yang, Can Hui, Yang, Jian Hai, Zhou, Jinxiong, Chen, Yong Mei, Suo, Zhigang·2014·ACS Applied Materials & Interfaces

Abstract

Large deformation of soft materials is harnessed to provide functions in the nascent field of soft machines. This paper describes a new class of systems enabled by highly stretchable, transparent, stable ionogels. We synthesize an ionogel by polymerizing acrylic acid in ionic liquid 1-ethyl-3-methylimidazolium ethylsulfate ([C2mim][EtSO4]). The ionogel exhibits desired attributes of adequate conductivity (0.22 S m(-1)), low elastic modulus (∼3 kPa), large rupturing stretch (∼4.6), and negligible hysteresis and degradation after cyclic stretches of large amplitude. Using the ionogel and a dielectric elastomer, we fabricate electromechanical transducers that achieve a voltage-induced areal strain of 140%. The ionogel is somewhat hygroscopic, but the transducers remain stable after a million cycles of excitation in a dry oven and in air. The transparency of the ionogels enable the transducers with conductors placed in the path of light, and the nonvolatility of the ionogels enable the transducers to be used in open air.

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Metadata

Authors
Chen, B., Lu, J. J., Yang, C. H., Yang, J. H., Zhou, J., Chen, Y. M., & Suo, Z.
Venue
ACS Applied Materials & Interfaces
Published
2014-05-02
Volume
6
Issue
10
Pages
7840-7845
ISSN
  • 1944-8244 (ISSN-L)
  • 1944-8252
OpenAlex
W2156353574
Cited by
259
References
4
FWCI
9.44
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Highly Stretchable and Transparent Ionogels as Nonvolatile Conductors for Dielectric Elastomer Transducers. https://app.cochat.ai/papers/10.1021/am501130t
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Chen, B., Lu, J. J., Yang, C. H., Yang, J. H., Zhou, J., Chen, Y. M., & Suo, Z. (2014). Highly Stretchable and Transparent Ionogels as Nonvolatile Conductors for Dielectric Elastomer Transducers. ACS Applied Materials & Interfaces. https://doi.org/10.1021/am501130t

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