Soft Ionic Electroactive Polymer Actuators with Tunable Non-Linear Angular Deformation

Hong, Wangyujue; Almomani, Abdallah; Chen, Yuanfen; Jamshidi, Reihaneh; Montazami, Reza

doi:10.3390/ma10060664

Cited by 17 publications

(10 citation statements)

References 49 publications

(74 reference statements)

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“…The bending angle is tunable. For example, a conductive polymer (CP) actuator made of PEDOT:PSS, was able to reach a sharp bending angle above 90 • [16]. Additionally, when the ionic EAP is bent by external means, it generates an electric signal, meaning that the ionic EAP can be used as both an actuator and a sensor [17].…”

Section: Ionic Electroactive Polymersmentioning

confidence: 99%

Recent Progress on Electroactive Polymers: Synthesis, Properties and Applications

et al. 2021

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Electroactive polymers (EAPs) are an advanced family of polymers that change their shape through electric stimulation and have been a point of interest since their inception. This unique functionality has helped EAPs to contribute to versatile fields, such as electrical, biomedical, and robotics, to name a few. Ionic EAPs have a significant advantage over electronic EAPs. For example, Ionic EAPs require a lower voltage to activate than electronic EAPs. On the other hand, electronic EAPs could generate a relatively larger actuation force. Therefore, efforts have been focused on improving both kinds to achieve superior properties. In this review, the synthesis routes of different EAP-based actuators and their properties are discussed. Moreover, their mechanical interactions have been investigated from a tribological perspective as all these EAPs undergo surface interactions. Such interactions could reduce their useful life and need significant research attention for enhancing their life. Recent advancements and numerous applications of EAPs in various sectors are also discussed in this review.

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Section: Ionic Electroactive Polymersmentioning

confidence: 99%

Recent Progress on Electroactive Polymers: Synthesis, Properties and Applications

et al. 2021

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“…To ensure that no water migrated to the contact of the working electrode during the measurements, an enamel transversal paint strip was applied between the electrical clamp and the electrolyte meniscus in order to avoid direct contact between the aqueous electrolyte and the clamp [38]. The actuation was recorded as a video with a CCD camera (Sony Cyber-shot DSC-F717, Tokyo, Japan); the angular motion [39,40] of the bilayers in time was obtained by analyzing individual frames using Matlab-based in-house software [41,42].…”

Section: Polymerization Of Ppy; Actuation Of Pet-ppy Bilayermentioning

confidence: 99%

A Biomimetic Approach to Increasing Soft Actuator Performance by Friction Reduction

et al. 2020

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While increasing power output is the most straight-forward solution for faster and stronger motion in technology, sports, or elsewhere, efficiency is what separates the best from the rest. In nature, where the possibilities of power increase are limited, efficiency of motion is particularly important; the same principle can be applied to the emerging biomimetic and bio-interacting technologies. In this work, by applying hints from nature, we consider possible approaches of increasing the efficiency of motion through liquid medium of bilayer ionic electroactive polymer actuations, focusing on the reduction of friction by means of surface tension and hydrophobicity. Conducting polyethylene terephthalate (PET) bilayers were chosen as the model actuator system. The actuation medium consisted of aqueous solutions containing tetramethylammonium chloride and sodium dodecylbenzenesulfonate in different ratios. The roles of ion concentrations and the surface tension are discussed. Hydrophobicity of the PET support layer was further tuned by adding a spin-coated silicone layer to it. As expected, both approaches increased the displacement—the best results having been obtained by combining both, nearly doubling the bending displacement. The simple approaches for greatly increasing actuation motion efficiency can be used in any actuator system operating in a liquid medium.

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“…Conducting polymers may be suitable for those devices, but their formation as simple, chemically-deposited coatings leads to certain limitations of the materials chosen; furthermore, their performance is reduced in comparison to electrochemically-polymerized conducting polymers. PEDOT:PSS solutions can be printed on flexible fabrics [9], with applications in solar cells [10], biomedical sensors [11], electrochromic devices [12], soft actuators [13,14], and capacitors [9]. Actuators fabricated by printing PEDOT:PSS on NBR/PEO fabrics [15] have shown moderate strain in linear and bending actuation.…”

Section: Introductionmentioning

confidence: 99%

Printed PEDOT:PSS Trilayer: Mechanism Evaluation and Application in Energy Storage

Põldsalu

Rohtlaid²,

Plesse³

et al. 2020

Materials

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Combining ink-jet printing and one of the most stable electroactive materials, PEDOT:PSS (poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate)), is envisaged to pave the way for the mass production of soft electroactive materials. Despite its being a well-known electroactive material, widespread application of PEDOT:PSS also requires good understanding of its response. However, agreement on the interpretation of the material’s activities, notably regarding actuation, is not unanimous. Our goal in this work is to study the behavior of trilayers with PEDOT:PSS electrodes printed on either side of a semi-interpenetrated polymer network membrane in propylene carbonate solutions of three different electrolytes, and to compare their electroactive, actuation, and energy storage behavior. The balance of apparent faradaic and non-faradaic processes in each case is discussed. The results show that the primarily cation-dominated response of the trilayers in the three electrolytes is actually remarkably different, with some rather uncommon outcomes. The different balance of the apparent charging mechanisms makes it possible to clearly select one electrolyte for potential actuation and another for energy storage application scenarios.

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Soft Ionic Electroactive Polymer Actuators with Tunable Non-Linear Angular Deformation

Cited by 17 publications

References 49 publications

Recent Progress on Electroactive Polymers: Synthesis, Properties and Applications

Recent Progress on Electroactive Polymers: Synthesis, Properties and Applications

A Biomimetic Approach to Increasing Soft Actuator Performance by Friction Reduction

Printed PEDOT:PSS Trilayer: Mechanism Evaluation and Application in Energy Storage

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