Ionogels: Preparation, Properties and Applications

Advanced Functional Materials, Год журнала: 2023, Номер unknown

Опубликована: Дек. 31, 2023

Abstract Ionogels, composed of ionic liquids and supporting networks, possess a plethora exceptional properties, including nonvolatility, remarkable thermal electrochemical stability, elevated mechanical strength, as well outstanding conductivity. Based on these extraordinary characteristics, ionogels have found extensive applications in diverse fields encompassing functional materials, sensors, soft electronics, solid electrolytes, biomedicine. In recent years, witnessed significant advancements emerged highly popular subject matter. Consequently, this review provides comprehensive overview the latest progress made realm ionogels. The preparation methods are initially introduced following concise introduction. Subsequently, properties ionogels, high low temperature resistance, conductivity, stimuli‐response self‐healing recyclability their structure‐property relationships, comprehensively discussed. Moreover, utilization skins, adhesions other domains also elaborated upon extensively. Finally, after succinct summary, challenges prospects regarding future development thoroughly deliberated.

Язык: Английский

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Advances in ionogels for proton-exchange membranes

The Science of The Total Environment, Год журнала: 2024, Номер 921, С. 171099 - 171099

Опубликована: Фев. 21, 2024

Язык: Английский

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Evolutionary Reinforcement of Polymer Networks: A Stepwise‐Enhanced Strategy for Ultrarobust Eutectogels

Advanced Materials, Год журнала: 2023, Номер 36(6)

Опубликована: Ноя. 8, 2023

Abstract Gel materials are appealing due to their diverse applications in biomedicine, soft electronics, sensors, and actuators. Nevertheless, the existing synthetic gels often plagued by feeble network structures inherent defects associated with solvents, which compromise mechanical load‐bearing capacity cast persistent doubts about reliability. Herein, combined attractive deep eutectic solvent (DES), a stepwise‐enhanced strategy is presented fabricate ultrarobust eutectogels. It focuses on continuous modulation optimization of polymer networks through complementary annealing exchange processes, drives progressive increase both quantity mass interconnected chains at microscopic scale, hence contributing evolutionary enhancement structure. The resultant eutectogel exhibits superb properties, including record‐breaking strength (31.8 MPa), toughness (76.0 MJ m −3 ), Young's modulus (25.6 together exceptional resistance ability tear crack propagation. Moreover, this able be further programmed photolithography situ create patterned for imparting specific functionalities. Enhanced its broad applicability various DES combinations, poised serve as crucial template methodology future development robust gels.

Язык: Английский

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Silk fibroin hydrogel adhesive enables sealed-tight reconstruction of meniscus tears

Nature Communications, Год журнала: 2024, Номер 15(1)

Опубликована: Март 26, 2024

Abstract Despite orientationally variant tears of the meniscus, suture repair is current clinical gold treatment. However, inaccessible in company with re-tears susceptibility remain unresolved. To extend meniscal tools from perspective adhesion and regeneration, we design a dual functional biologic-released bioadhesive (S-PIL10) comprised methacrylated silk fibroin crosslinked phenylboronic acid-ionic liquid loading growth factor TGF-β1, which integrates chemo-mechanical restoration inner regeneration. Supramolecular interactions β-sheets hydrogen bonds richened by (PIL) result enhanced wet adhesion, swelling resistance, anti-fatigue capabilities, compared to neat gel. Besides, elimination reactive oxygen species (ROS) S-PIL10 further fortifies localized meniscus tear affecting inflammatory microenvironment dynamic borate ester bonds, continuously releases TGF-β1 for cell recruitment bridging defect edge. In vivo rabbit models functionally evidence seamless dense reconstruction torn verifying that concept adhesive feasible providing promising revolutionary strategy preclinical research tears.

Язык: Английский

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A Semi‐Interpenetrating Poly(Ionic Liquid) Network‐Driven Low Hysteresis and Transparent Hydrogel as a Self‐Powered Multifunctional Sensor

Advanced Functional Materials, Год журнала: 2024, Номер 34(32)

Опубликована: Май 6, 2024

Abstract Conductive hydrogels are gaining significant attention as promising candidates for the fabrication materials flexible electronics. Nevertheless, improving tensile properties, hysteresis, durability, adhesion, and electrochemical properties of these remains challenging. This work reports development a novel semi‐interpenetrating network poly(ionic liquid) hydrogel named PATV, via in situ polymerization acrylamide, N ‐[Tris(hydroxymethyl)methyl] 1‐vinyl‐3‐butylimidazolium tetrafluoroborate. The density functional theory calculations reveal that acts physical cross–linking points to construct hydrogen‐bond networks. Furthermore, networks dissipate energy efficiently quickly, thus stress concentration hysteresis avoided. prepared has low (9%), high (900%), fast response (180 ms), sensitivity (gauge factor = 10.4, pressure 0.14 kPa −1 ), wide sensing range (tensile range: 1–600%, compression 0.1–20 kPa). A multifunctional sensor designed based on enables real‐time, rapid, stable response‐ability detection human movement, facial expression recognition, pronunciation, pulse, handwriting, Morse code encryption. assembled triboelectric nanogenerator displays an excellent harvesting capability, highlighting its potential application self‐powered wearable electronic devices.

Язык: Английский

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Microstructured Polyelectrolyte Elastomer‐Based Ionotronic Sensors with High Sensitivities and Excellent Stability for Artificial Skins

Advanced Materials, Год журнала: 2023, Номер 36(11)

Опубликована: Дек. 14, 2023

High-performance flexible pressure sensors are highly demanded for artificial tactile sensing. Using ionic conductors as the dielectric layer has enabled ionotronic with high sensitivities owing to giant capacitance of electric double (EDL) formed at conductor/electronic conductor interface. However, conventional suffer from leakage, which greatly hinders long-term stability and practical applications. Herein, a leakage-free polyelectrolyte elastomer is synthesized. The mechanical electrical properties optimized, micropyramid array constructed, it used an sensor marked performances. obtained exhibits sensitivity 69.6 kPa

Язык: Английский

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Fibres—threads of intelligence—enable a new generation of wearable systems

Chemical Society Reviews, Год журнала: 2024, Номер 53(17), С. 8790 - 8846

Опубликована: Янв. 1, 2024

Fabrics represent a unique platform for seamlessly integrating electronics into everyday experiences. The advancements in functionalizing fabrics at both the single fibre level and within constructed have fundamentally altered their utility. revolution materials, structures, functionality enables intimate imperceptible integration, rapidly transforming fibres next-generation wearable devices systems. In this review, we explore recent scientific technological breakthroughs smart fibre-enabled fabrics. We examine common challenges bottlenecks physics, chemistry, fabrication strategies, applications that shape future of electronics. propose closed-loop fabric ecosystem encompassing proactive sensing, interactive communication, data storage processing, real-time feedback, energy harvesting, intended to tackle significant technology. Finally, envision computing as sophisticated platforms with system-level attributes management, machine learning, artificial intelligence, intelligent networks.

Язык: Английский

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Neural Network‐Inspired Polyurea Ionogel with Mechanical Robustness, Low Hysteresis, and High Transparency for Soft Iontronics

Advanced Functional Materials, Год журнала: 2024, Номер 34(37)

Опубликована: Март 7, 2024

Abstract Concurrently achieving mechanical robustness, low hysteresis, and high transparency are essential for ionogels to enhance their reliability satisfy the requirements in soft electronics. Fabricating comprising these characteristics presents a considerable challenge. Herein, inspired by structure of neural networks, new strategy situ formation dense urea moieties aggregated domains is proposed achieve topology‐tailoring polyurea ionogels. Initially, leveraging pronounced disparity reactivity isocyanate (─NCO) groups between isophorone diisocyanate (IPDI) NCO‐terminated prepolymer (PPGTD), IPDI preferentially reacts with deblocked trifunctional latent curing agents, resulting domains. Thereafter, interconnected via PPGTD establish polymer networks which ionic liquid uniformly dispersed, forming like Attributed this unique design strategy, ionogel demonstrates remarkable properties, including strength (0.6–2.4 MPa), excellent toughness (0.9–4.3 MJ m −3 ), hysteresis (6.6–11.6%), (>92%), along enhanced fatigue puncture resistance. Furthermore, exhibit outstanding versatility, enabling strain sensors, flexible electroluminescence devices, nanogenerators. This contributes unparalleled combinatory catering diverse demands iontronics.

Язык: Английский

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An overview of flexible sensors from ionic liquid-based gels

TrAC Trends in Analytical Chemistry, Год журнала: 2024, Номер 174, С. 117662 - 117662

Опубликована: Март 23, 2024

Язык: Английский

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Supramolecular Polymer‐Based Ionogels Enable Large‐Scale Fabrication of Stable Smart Windows with Room‐Temperature Closed‐Loop Recyclability and Self‐Healing Capability

Advanced Functional Materials, Год журнала: 2024, Номер 34(23)

Опубликована: Фев. 14, 2024

Abstract Current self‐healing ionogels are unable to undergo closed‐loop recycling and unsuitable for large‐scale fabrication, which increases their manufacturing costs limits practical applications. In this study, thermochromic with room‐temperature recyclability capability prepared by the in situ synthesis of imine bond cross‐linked supramolecular polymers binary ionic liquids. The resulting show excellent mechanical environmental stability, high solar modulation capability, long service life, can provide spontaneous buildings vehicles reduce cooling‐related energy consumption. temperature‐responsive hydrogen bonding between liquids influences dissolution state polymers, allowing switch transparent opaque states through reversible agglomeration ILs inside ionogels. Dynamic bonds enable spontaneously heal themselves at room temperature be depolymerized into monomers an extremely yield purity under hydrochloric acid catalysis temperature. recovered used re‐manufacture without losing original properties or capability. This study provides a new route developing functional that fabricated recycled.

Язык: Английский

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