Journal Article10.1002/ADMA.201700321
A Bioinspired Mineral Hydrogel as a Self-Healable, Mechanically Adaptable Ionic Skin for Highly Sensitive Pressure Sensing.
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TL;DR: A bioinspired mineral hydrogel is developed to fabricate a novel type of mechanically adaptable ionic skin sensor that is compliant, self-healable, and can sense subtle pressure changes, such as a gentle finger touch, human motion, or even small water droplets.
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Abstract: In the past two decades, artificial skin-like materials have received increasing research interests for their broad applications in artificial intelligence, wearable devices, and soft robotics. However, profound challenges remain in terms of imitating human skin because of its unique combination of mechanical and sensory properties. In this work, a bioinspired mineral hydrogel is developed to fabricate a novel type of mechanically adaptable ionic skin sensor. Due to its unique viscoelastic properties, the hydrogel-based capacitive sensor is compliant, self-healable, and can sense subtle pressure changes, such as a gentle finger touch, human motion, or even small water droplets. It might not only show great potential in applications such as artificial intelligence, human/machine interactions, personal healthcare, and wearable devices, but also promote the development of next-generation mechanically adaptable intelligent skin-like devices.
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Citations
Bio-inspired high-performance solid-state supercapacitors with the electrolyte, separator, binder and electrodes entirely from kelp
Juan Zeng,Lu Wei,Xin Guo +2 more
TL;DR: In this article, a solid-state supercapacitor with all the key components, including the electrolyte, separator, binder and electrodes, coming entirely from a single precursor: kelp, an abundant and economic food resource in the ocean.
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A transparent, stretchable, stable, self-adhesive ionogel-based strain sensor for human motion monitoring
TL;DR: In this paper, a novel ionogel was synthesized by the photopolymerization of butyl acrylate (BA) in the ionic liquid bis(trifluoromethylsulfonyl imide) ([BMIM]TFSI).
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Recent Development of Alginate-Based Materials and Their Versatile Functions in Biomedicine, Flexible Electronics, and Environmental Uses.
TL;DR: Alginate is a natural polysaccharide that is easily chemically modified or compounded with other components for various types of functionalities as mentioned in this paper, such as ionically conductive hydrogel or 3D or 4D cell culturing matrix.
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Organic synaptic devices for neuromorphic systems
Abstract: The development of synaptic devices with biologically-inspired information processing functions and low power consumption is critically important for the hardware implementation of highly anticipated brain-like computing systems. Organic materials are regarded as the most promising candidates for synaptic devices and bio-electronics due to several advantages such as low cost, easy processability, mechanical flexibility and ductility. In this review, a description of the current advances in organic synaptic devices, including two-terminal memristors and three-terminal transistors, is provided. Organic two-terminal memristors with the characteristics of non-volatility and reasonable on/off switching ratio are reported to be popular synaptic devices. On the other hand, organic memristive and electrochemical electric-double-layer transistors can accurately select working devices by applying a gate spike to the corresponding gate electrode. Therefore, these three-terminal organic devices provide an alternative approach to the development of neuromorphic systems. Lastly, the novel applications of organic synaptic devices are discussed, and some current challenges are presented.
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Poly(vinyl alcohol) Hydrogels with Integrated Toughness, Conductivity, and Freezing Tolerance Based on Ionic Liquid/Water Binary Solvent Systems.
TL;DR: In this article, a water-miscible ionic liquid (IL), such as 1-ethyl-3-methylimidazolium acetate (EMImAc), was introduced to form an IL/water binary solvent system for polyvinyl alcohol (PVA) to create ionic conductive PVA hydrogels.
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