3D Printing of Thermo‐Mechano‐Responsive Photoluminescent Noncovalent Cross‐Linked Ionogels with High‐Stretchability and Ultralow‐Hysteresis for Wearable Ionotronics and Anti‐Counterfeiting DOI
Xin Li,

Xuemeng Yang,

Shuaijie Li

et al.

Small, Journal Year: 2024, Volume and Issue: 20(43)

Published: June 23, 2024

Abstract Ionogel has recently emerged as a promising ionotronic material due to its good ionic conductivity and flexibility. However, low stretchability significant hysteresis under long‐term loading limit their mechanical stability repeatability. Developing ultralow ionogels with high is of great significance. Here, simple effective strategy developed fabricate highly stretchable ultralow‐hysteresis noncovalent cross‐linked based on phase separation by 3D printing 2‐hydroxypropyl acrylate (HPA) in 1‐butyl‐3‐methylimidazolium tetrafluoroborate (BMIMBF 4 ). Ingeniously, the sea‐island structure physically network constructed smaller nanodomains larger nanodomain clusters significantly minimizes energy dissipation, endowing these remarkable (>1000%), ultra‐low (as 0.2%), excellent temperature tolerance (−33–317 °C), extraordinary (up 1.7 mS cm −1 ), outstanding durability (5000 cycles). Moreover, formation nanophase cross‐linking structure, as‐prepared exhibit unique thermochromic multiple photoluminescent properties, which can synergistically be applied for anti‐counterfeiting encrypting. Importantly, flexible thermo‐mechano‐multimodal visual sensors strain sensing stable reproducible electrical response over 20 000 cycles are fabricated, showing optical output performances.

Language: Английский

Ionogels: Preparation, Properties and Applications DOI
Chang‐Cun Yan, Weizheng Li, Ziyang Liu

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: unknown

Published: Dec. 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.

Language: Английский

Citations

101
Glassy gels toughened by solvent DOI
Meixiang Wang, Xun Xiao, Salma Siddika

et al.

Nature, Journal Year: 2024, Volume and Issue: 631(8020), P. 313 - 318

Published: June 19, 2024

Language: Английский

Citations

42
Supramolecular Polymer‐Based Ionogels Enable Large‐Scale Fabrication of Stable Smart Windows with Room‐Temperature Closed‐Loop Recyclability and Self‐Healing Capability DOI
Hong Chen, Bing Li, Junjie Zhang

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(23)

Published: Feb. 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.

Language: Английский

Citations

29
Neural Network‐Inspired Polyurea Ionogel with Mechanical Robustness, Low Hysteresis, and High Transparency for Soft Iontronics DOI
Zhipeng Zhang, Qian Lu,

Jianfeng Cheng

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(37)

Published: March 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.

Language: Английский

Citations

26
Constructing Phase Separation in Polymer Gels: Strategies, Functions and Applications DOI
Zhenwu Wang, Wenlian Qiu, Qi Zhang

et al.

Progress in Polymer Science, Journal Year: 2024, Volume and Issue: 154, P. 101847 - 101847

Published: June 13, 2024

Language: Английский

Citations

20
Bionic Artificial Skin Based on Self‐Healable Ionogel Composites with Tailored Mechanics and Robust Interfaces DOI
Manwen Zhang, Lingyu Zhao, Feng Tian

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(35)

Published: July 5, 2024

Bionic artificial skin which imitates the features and functions of human skin, has broad applications in wearable human-machine interfaces. However, equipping materials with skin-like mechanical properties, self-healing ability, high sensitivity remains challenging. Here, inspired by structure an based on ionogel composites tailored properties robust interface is prepared. Combining finite element analysis direct ink writing (DIW) 3D printing technology, composite a rigid skeleton matrix precisely designed fabricated, realizing anisotropy nonlinear response that accurately mimic skin. Robust created through co-curing resins, significantly enhancing stability composite. The realization ability resistance to crack growth further ensure remarkable durability for sensing application. In summary, bionic mimics characteristics including anisotropy, response, capability, when applied as flexible sensors. These strategies provide strong support fabrication tissue-like adaptive behaviors.

Language: Английский

Citations

19
Highly Processable Ionogels with Mechanical Robustness DOI
Chuao Ma, Jun Wei, Yuqiang Zhang

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(31)

Published: May 1, 2023

Abstract Currently, the increasing needs of conductive ionogels with intricate shapes and high processability by individual requirements next‐generation flexible electronics constitute significant challenges. Here, design highly processable is reported mechanical robustness self‐assembly a common triblock copolymer into precursor in functional mixed ionic liquids (ILs) containing conductivity‐enhancing polymerizable strength‐enhancing components. The subsequent situ polymerization forms physical‐co‐chemical cross‐linked networks, which entanglement between physical chemical networks microphase separation give rise to as‐fabricated ionogel. viscosity self‐assembled can be rationally tuned, makes fabrication process compatible diverse technologies including inkjet printing, spray coating, 3D printing. By virtue capability designed ionogels, an auxetic‐structured ionogel easily generated using exhibits greatly improved sensitivity thus able monitor tiny deformations. This study that relies on designing ILs as dispersion phase rather than focusing synthesizing new‐type polymers establishes new route for versatile programmable high‐performance broader applications.

Language: Английский

Citations

40
Block copolymer electrolytes for lithium metal batteries: Strategies to boost both ionic conductivity and mechanical strength DOI
Tianyi Wang, Lei Zhong, Min Xiao

et al.

Progress in Polymer Science, Journal Year: 2023, Volume and Issue: 146, P. 101743 - 101743

Published: Sept. 17, 2023

Language: Английский

Citations

35
An ultra-tough and ultra-sensitive ionogel pressure/temperature sensor enabled by hierarchical design of both materials and devices DOI
Zong‐Ju Chen, Yuqiong Sun, Xiong Xiao

et al.

Journal of Materials Chemistry A, Journal Year: 2023, Volume and Issue: 11(15), P. 8359 - 8367

Published: Jan. 1, 2023

Flexible sensors based on ionogels show great potential in wearable devices because of their compliance and deformability.

Language: Английский

Citations

28
Filler Effects Inspired High Performance Polyurethane Elastomer Design: Segment Arrangement Control DOI
Jiaxin Shi, Tianze Zheng, Zhiqi Wang

et al.

Materials Horizons, Journal Year: 2024, Volume and Issue: 11(19), P. 4747 - 4758

Published: Jan. 1, 2024

Elastomers with high strength and toughness are in great demand. Previous research on elastomers focused mainly the design of new chemical structures, but their complicated synthesis process expensive monomers have restricted practical application these materials. Inspired by general filler effects, a strategy is proposed to remarkably enhance mechanical properties thermoplastic polyurethane (TPU) designing arrangement hard/soft segments using traditional compositions. By utilizing synergetic effect weak hard segments, normal TPU upgraded into advanced elastomers. Combining experiments simulations, it demonstrated that suitable sequence length can achieve considerably enhanced maximizing relative surface area domains. Mixing obtained elastomer an ionic liquid result durable ionogel sensor balanced conductivity. This easy-to-implement offers dimension for development high-performance

Language: Английский

Citations

13