Wearable and Recyclable Water‐Toleration Sensor Derived from Lipoic Acid

Small, Год журнала: 2024, Номер 20(30)

Опубликована: Март 12, 2024

Abstract Flexible wearable sensors recently have made significant progress in human motion detection and health monitoring. However, most still face challenges terms of single targets, application environments, non‐recyclability. Lipoic acid (LA) shows a great prospect soft materials due to its unique properties. Herein, ionic conducting elastomers (ICEs) based on polymerizable deep eutectic solvents consisting LA choline chloride are prepared. In addition the good mechanical strength, high transparency, conductivity, self‐healing efficiency, ICEs exhibit swelling‐strengthening behavior enhanced adhesion strength underwater environments moisture‐induced association poly(LA) hydrophobic chains, thus making it possible for sensing applications, such as communication. As strain sensor, exhibits highly sensitive response with repeatability durability, enabling monitoring both large fine motions, including joint movements, facial expressions, pulse waves. Furthermore, enhancement ion mobility at higher temperatures, also possesses excellent temperature‐sensing performance. Notably, can be fully recycled reused new strain/temperature sensor through heating. This study provides novel strategy enhancing fabrication multifunctional sensors.

Язык: Английский

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Lignin Powered Versatile Bioelastomer: A Universal Medium for Smart Photothermal Conversion

Advanced Functional Materials, Год журнала: 2024, Номер 34(45)

Опубликована: Май 31, 2024

Abstract Photothermal elastomers are recognized as smart flexible materials that can rapidly and effectively convert light energy into heat energy. However, there has been a lack of adequate focus on tackling the sustainability challenges photothermal elastomers, particularly in terms material selection, integration complex functionalities, final disposal. A fully bio‐derived elastomer (BPTE) produced through simple chemical‐free approach is introduced, utilizing alkali lignin, lipoic acid, phytic acid feedstocks. The BPTE exhibits an adaptive polymeric network crosslinked by dynamic covalent disulfide bonds multiple hydrogen bonds, endowing it with dual‐mode conversion capability, robustness, stretchability, self‐healing property, hydrophobicity, swelling resistance, self‐adhesion, full recyclability, degradability. further demonstrated next‐generation solution for generators, light‐driven actuators, antibacterial dressings, fibers. versatility opens avenues innovative devices systems significant potential conversion, soft robotics, medical treatment, clothing. With outstanding performances, biodegradability, these bio‐based present attractive prospect development advanced products.

Язык: Английский

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Ionic liquids: The emerging “cardiotonic” for photocatalytic materials

Coordination Chemistry Reviews, Год журнала: 2025, Номер 529, С. 216461 - 216461

Опубликована: Янв. 24, 2025

Язык: Английский

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Polyfunctional and Multisensory Bio‐Ionoelastomers Enabled by Covalent Adaptive Networks With Hierarchically Dynamic Bonding

Advanced Materials, Год журнала: 2024, Номер unknown

Опубликована: Сен. 9, 2024

Abstract Developing versatile ionoelastomers, the alternatives to hydrogels and ionogels, will boost advancement of high‐performance ionotronic devices. However, meeting requirements bio‐derivation, high toughness, stretchability, autonomous self‐healing ability, ionic conductivity, reprocessing, favorable recyclability in a single ionoelastomer remains challenging endeavor. Herein, dynamic covalent supramolecular design, lipoic acid (LA)‐based (DCIE), is proposed via melt building adaptive networks with hierarchically bonding (CAN‐HDB), wherein lithium bonds aid dissociation ions integration disulfide metathesis, bonds, binary hydrogen enhances mechanical performances, capability, recyclability. Therefore, trade‐off among versatility, successfully handled. The obtained DCIE demonstrates remarkable stretchability (1011.7%), toughness (3877 kJ m −3 ), conductivity (3.94 × 10 −4 S −1 outstanding reprocessing for 3D printing, desirable Significantly, selective ion transport endows multisensory feature capable generating continuous electrical signals high‐quality sensations towards temperature, humidity, strain. Coupled straightforward methodology, abundant availability LA HPC, as well multifunction, DCIEs present new concept advanced conductors developing soft ionotronics.

Язык: Английский

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Dynamic Polymeric Materials via Hydrogen-bond Cross-linking: Effect of Multiple Network Topologies

Progress in Polymer Science, Год журнала: 2024, Номер unknown, С. 101890 - 101890

Опубликована: Сен. 1, 2024

Язык: Английский

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Applications of Functional Polymeric Eutectogels

Macromolecular Rapid Communications, Год журнала: 2024, Номер 45(21)

Опубликована: Июль 15, 2024

Abstract Over the past two decades, deep eutectic solvents (DESs) have captured significant attention as an emergent class of that unique properties and applications in differing fields chemistry. One area where DES systems find utility is design polymeric gels, often referred to “eutectogels,” which can be prepared either using a replace traditional solvent, or monomers form part themselves. Due extensive network intramolecular interactions (e.g., hydrogen bonding) ionic species exist systems, eutectogels possess appealing material properties—high adhesive strength, tuneable viscosity, rapid polymerization kinetics, good conductivity, well high strength flexibility. In addition, non‐covalent crosslinking approaches are possible due inherent these materials. This review considers several key eutectogels, including organic electronics, wearable sensor technologies, 3D printing resins, adhesives, range various biomedical applications. The design, synthesis, discussed, addition advantages this synthetic approach comparison gel design. Perspectives on future directions field also highlighted.

Язык: Английский

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Eutectogels: The Multifaceted Soft Ionic Materials of Tomorrow

JACS Au, Год журнала: 2024, Номер 4(10), С. 3744 - 3758

Опубликована: Окт. 3, 2024

Eutectogels, a rising category of soft materials, have recently garnered significant attention owing to their remarkable potential in various domains. This innovative class materials consists eutectic solvent immobilized three-dimensional network structure. The use eco-friendly and cost-effective solvents further emphasizes the appeal these multiple applications. Eutectogels exhibit key characteristics most solvents, including environmental friendliness, facile preparation, low vapor pressure, good ionic conductivity. Moreover, they can be tailored display functionalities such as self-healing capability, adhesiveness, antibacterial properties, which are facilitated by incorporating specific combinations mixture constituents. perspective article delves into current landscape challenges associated with eutectogels, particularly focusing on applications CO

Язык: Английский

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Rapid preparation of high strength, high stretchability, transparent, self-healing conductive elastomers for strain sensors by photo-initiated copolymerization of two novel polymerizable deep eutectic solvents

European Polymer Journal, Год журнала: 2024, Номер 210, С. 112999 - 112999

Опубликована: Март 30, 2024

Язык: Английский

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Liquid Metal Nanoparticle‐Based Multifunctional Printable Electronics Enabled by Polymerizable Deep Eutectic Solvents

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Янв. 10, 2025

Abstract Liquid metal nanoparticles (LMNPs) are being considered as promising candidates for printable electronics owing to their high conductivity and fluidity, well improved wettability comparable that of bulk LMs. However, the surface tension weak adhesion LMNPs pose formidable challenges facile patterning on various substrates diverse applications. Herein, a new LMNP‐polymer composite is reported multifunctional electronics, which achieved by introducing α ‐lipoic acid (LA)/choline chloride (ChCl) polymerizable deep eutectic solvents (PDESs) ideal polymer carriers. Simply with ring‐opening polymerization (ROP) LA, highly conductive LMNP‐PDES composites can be patterned using printing methods. Benefiting from hydrogen bondings within PDES, printed traces feature enhance consistent performances under different deformations. More importantly, they easily dissolved in ethanol via thermal treatment reprinted further use, showing excellent recyclable capability. Demonstrations stretchable sensor, conformal electrode, smart actuator validate versatility reliability this composite, ensuring its broad prospects electronics.

Язык: Английский

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In Situ Synthesis of Chemically Stable Hybrid Co‐Networks of Poly(thioctic Acid) with Fe³⁺ via Controlled/Living Cationic Ring‐Opening Polymerization

Macromolecular Rapid Communications, Год журнала: 2025, Номер unknown

Опубликована: Фев. 20, 2025

Abstract The novel chemically stable hybrid co‐networks (PTA‐Fe) of poly(thioctic acid) coordinated with molar content ( C Fe ) 1%∼12% 3+ generated from [FeCl 4 ·POH] − can be in situ synthesized via controlled/living cationic ring‐opening polymerization α ‐thioctic acid (TA) tert ‐butyl chloride(BCl)/FeCl 3 /isopropanol(POH) initiating system at 0 °C. polymerizations are all first order respect to monomer, initiator and co‐initiator. resulting PTAs desired molecular weights relatively narrow unimodal weight distribution obtained quantitative initiation by changing [BCl] . livingness without chain transfer termination is confirmed the linear relationship between polymer yields unchanged average chains during process Incremental Monomer Addition All In techniques. possible mechanism above proposed. Interestingly, it found that PTA‐Fe hybrids behave storage room temperature for 24 months when ≥ 6.9%. To best knowledge, example green synthesis excellent chemical stability. would have potential application field elastomer, adhesive self‐healing materials.

Язык: Английский

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