Cited by Ring‐Toughened Polymer Networks: The Mighty Impact of Specially Designed Rings on Mechanical Properties

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

Shaowei Han,

Yongkang Hu,

Jia Wei

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(32)

Published: May 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.

Language: Английский

Citations

Biomimetic Mechanically Robust Chiroptical Hydrogel Enabled by Hierarchical Bouligand Structure Engineering DOI

Yu-Lu Tang,

Canhui Lu, Rui Xiong

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(22), P. 14629 - 14639

Published: May 22, 2024

Natural bouligand structures enable crustacean exoskeletons and fruits to strike a combination of exceptional mechanical robustness brilliant chiroptical properties owing multiscale structural hierarchy. However, integrating such high strength-stiffness-toughness photonic functionalities into synthetic hydrogels still remains grand challenge. In this work, we report simple yet general biomimetic strategy construct an ultrarobust hydrogel by closely mimicking the natural structure at multilength scale. The hierarchical engineering long-range ordered cellulose nanocrystals' structure, well-defined poly(vinyl alcohol) nanocrystalline domains, dynamic interfacial interaction synergistically contributes integration strength (23.3 MPa), superior modulus (264 toughness (54.7 MJ m

Language: Английский

Citations

Squid‐Inspired Anti‐Salt Skin‐Like Elastomers With Superhigh Damage Resistance for Aquatic Soft Robots DOI

Chengzhen Chu,

Wei Sun, Shuo Chen

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 12, 2024

Cephalopod skins evolve multiple functions in response to environmental adaptation, encompassing nonlinear mechanoreponse, damage tolerance property, and resistance seawater. Despite tremendous progress skin-mimicking materials, the integration of these desirable properties into a single material system remains an ongoing challenge. Here, drawing inspiration from structure reflectin proteins cephalopod skins, long-term anti-salt elastomer with skin-like mechanical extraordinary is presented. Cation-π interaction incorporated induce geometrically confined nanophases hydrogen bond domains, resulting elastomers exceptional true tensile strength (456.5 ± 68.9 MPa) unprecedently high fracture energy (103.7 45.7 kJ m

Language: Английский

Citations

Cation–π Interaction-Enhanced Self-Healing Injectable Hydrogels for Gastric Perforation Repair DOI

Changyuan He, Siwei Bi, Ruiqi Liu

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(28), P. 35887 - 35897

Published: July 4, 2024

Surgical operations are the preferred treatment for gastric perforation (GP) but incur postoperative complications such as gastrointestinal adhesions and bacterial infections, leading to inefficient wound healing serious that may even threaten life of patient. Developing hydrogel dressings capable adapting environment (acid) decreasing visceral infections after GP is crucial. In this article, we developed an injectable, self-healing using cation–π interactions between protonated amines aromatic rings under acidic conditions explored it repair. The hydrogels demonstrate exceptional capabilities can be effectively tailored environment. addition, demonstrated significant efficacy in preventing adhesion, reducing inflammation, promoting angiogenesis, facilitating a rat model. This novel demonstrates adaptability environment, rendering highly promising potential applications trauma healing.

Language: Английский

Citations

Efficient and convenient purification strategy using maltodextrin-based nanosponges for rapid removal of cationic dyes DOI

Chaochao Wen, Yu Huang, Wenjia Zhang

et al.

Separation and Purification Technology, Journal Year: 2025, Volume and Issue: unknown, P. 131702 - 131702

Published: Jan. 1, 2025

Language: Английский

Citations

The Cation−π Interaction in Chemistry and Biology DOI

Dennis A. Dougherty

Chemical Reviews, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 20, 2025

The cation-π interaction is an important noncovalent binding force that impacts all areas of chemistry and biology. Extensive computational gas phase experimental studies have established the potential strength essential nature interaction. Previous reviews emphasized model systems a variety biological examples. This work includes discussion those but emphasizes other are perhaps less well appreciated. These include novel ability alkali metals in water; application to organic synthesis chemical biology; cooperative behaviors multiple interactions, including adhesive proteins from mussels similar organisms formation modulation biomolecular condensates (phase separation); interactions involved recognizing DNA/RNA.

Language: Английский

Citations

Bioinspired Antiswelling Hydrogel Sensors with High Strength and Rapid Self-Recovery for Underwater Information Transmission DOI

Shenxin Pan,

Chao Chang, Gang Wu

et al.

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 29, 2025

Hydrogel-based sensors typically demonstrate conspicuous swelling behavior in aqueous environments, which can severely compromise the mechanical integrity and distort sensing signals, thereby considerably constraining their widespread applicability. Drawing inspiration from multilevel heterogeneous structures biological tissues, an antiswelling hydrogel sensor endowed with high strength, rapid self-recovery, low ratio was fabricated through a water-induced phase separation coordination cross-linking strategy. A dense architecture developed by integration of "rigid" quadridentate carboxyl-Zr4+ bonds "soft" hydrophobic unit-rich regions featuring π-π stacking cation-π interactions into hydrogels. This unique structural design facilitated progressive breaking cross-links within network to under external loads, effectively dissipating energy imparting hydrogels exceptional characteristics, evidenced strength 1.42 MPa, complete self-recovery 3 min. Simultaneously, dynamic synergistically conferred augmented elastic retractive forces on enhancing density, providing prominent capabilities water (with only -2.49%), solutions diverse pH (1-9), seawater. Moreover, manifested favorable strain-sensitivity (gauge factor up 2.45) frequency response virtue collaborative contribution ions (Cl- Zr4+). Consequently, were utilized assemble underwater capacity transmit information using Morse code. bioinspired methodology achieved desired mechanical, swelling-resistant, performance hydrogels, contributing innovative insights toward advancement technology.

Language: Английский

Citations

Robust liquid crystal semi-interpenetrating polymer network with superior energy-dissipation performance DOI

Zhijun Yang, Yang Yang, Huan Liang

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Nov. 15, 2024

Liquid crystal networks (LCN) have attracted surging interest as extraordinary energy-dissipation materials owning to their unique dissipation mechanism based on the re-orientation of mesogens. However, how integrate high Young's modulus, good efficiency and wide effective damping temperature range in LCN remains a challenge. Here, we report strategy resolve this challenge by fabricating robust liquid semi-interpenetrating polymer network (LC-semi-IPN) consisting crystalline LC polymers (c-LCP). LC-semi-IPN demonstrates superior synergistic performance both mechanical properties, surpassing all currently reported LCNs. The crystallinity c-LCP endows with substantial leap modulus (1800% higher than single network). chain reptation also promotes an enhanced 200%. Moreover, its reaches up 130 °C, which is widest for By leveraging exceptional performance, can be further utilized functional architected structure density deformation-resistance. design energy achieving simultaneously properties challenging. authors fabricate properties.

Language: Английский

Citations

Shear Stiffening‐Based Mechanoluminescent Device for Impact‐Thermal Coupling Protection and Impact Visualization DOI

Shilong Duan,

Min Sang,

Hongsong Chen

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 12, 2024

Abstract Intelligent impact‐protection wearable devices often require intricate circuitry to operate, which hinders the timely display of impact‐related injuries. Consequently, it is imperative develop intelligent protective materials that are self‐sufficient and capable visualization. In this work, impact protection material shear‐stiffening gel (SSG) combined with mechanoluminescent (ML) ZnS:Cu/PDMS@SiO 2 create ML‐SSG. This embodies various features, including protection, force visualization, flame resistance, long‐distance passive control, making ideal for devices. light significant shear stiffening effect SSG, ML‐SSG effectively dissipates up 80% energy exhibits excellent resistance. Concurrently, also visualizing injuries, displaying warning in real‐time via mechanoluminescence, assessing based on intensity mechanoluminescence. The incorporation SiO ZnS:Cu has resulted remarkable flame‐retardant property. innovative significantly improves performance complex environments. addition, realizes human–computer interaction through neural network mechanoluminescence characteristics. research expands potential applications multifunctional complicated environments, thereby promoting development

Language: Английский

Citations

A Robust Core‐Shell Nanofabric with Personal Protection, Health Monitoring and Physical Comfort for Smart Sportswear DOI

Peiqi Wu,

Jianfeng Gu, Xue Liu

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(47)

Published: Oct. 6, 2024

Abstract Smart textiles with a high level of personal protection, health monitoring, physical comfort, and wearing durability are highly demanded in clothing for harsh application scenarios, such as modern sportswear. However, seamlessly integrating smart system has been long‐sought but challenging goal. Herein, based on coaxial electrospinning techniques, non‐woven textile (Smart‐NT) integrated impact resistance is developed, multisensory functions, radiative cooling effects. This Smart‐NT comprised core‐shell nanofibers an ionic conductive polymer sheath impact‐stiffening core. The soft textile, thickness only 800 µm, can attenuate over 60% force, sense pressure stimulus sensitivity up to 201.5 kPa −1 , achieve temperature sensing resolution 0.1 °C, reduce skin by ≈17 °C under solar intensity 1 kW m −2 . In addition, the stretchable durable robust, retaining its multifunction features 10 000 bending multiple washing cycles. Finally, scenarios demonstrated real‐time body comfort sportswear outdoor sports. strategy opens new avenue seamless integration systems.

Language: Английский

Citations