A multiscale biomimetic strategy to design strong, tough hydrogels by tuning the self-assembly behavior of cellulose DOI
Yitong Xie,

Shishuai Gao,

Zhe Ling

et al.

Journal of Materials Chemistry A, Journal Year: 2022, Volume and Issue: 10(26), P. 13685 - 13696

Published: Jan. 1, 2022

This study developed a biomimetic design integrating multiple features of biological tissues at the micro/molecular-scale to present new strategy for fabricating transparent, isotropic, strong, tough, and multi-functional hydrogels.

Language: Английский

End-to-end design of wearable sensors DOI Open Access
H. Ceren Ates, Peter Q. Nguyen, Laura Gonzalez‐Macia

et al.

Nature Reviews Materials, Journal Year: 2022, Volume and Issue: 7(11), P. 887 - 907

Published: July 22, 2022

Language: Английский

Citations

728

Flexible MXene‐Based Composites for Wearable Devices DOI
Chang Ma, Ming‐Guo Ma, Chuanling Si

et al.

Advanced Functional Materials, Journal Year: 2021, Volume and Issue: 31(22)

Published: March 8, 2021

Abstract In recent decades, flexible and wearable devices have been extensively investigated due to their promising applications in portable mobile electronics human motion monitoring. MXene, a novel growing family of 2D nanomaterials, demonstrates superiorities such as outstanding electrical conductivity, abundant terminal groups, unique layered‐structure, large surface area, hydrophilicity, making it be potential candidate material for devices. Numerous pioneering works are devoted develop MXene‐based composites with various functions designed structures. Therefore, the latest progress is summarized this review, focusing on preparation strategies, working mechanisms, performances, sensors, supercapacitors, electromagnetic interference shielding materials. Moreover, current challenges future outlooks also discussed.

Language: Английский

Citations

423

Development of Conductive Hydrogels for Fabricating Flexible Strain Sensors DOI
Gang Li, Chenglong Li, Guodong Li

et al.

Small, Journal Year: 2021, Volume and Issue: 18(5)

Published: Oct. 17, 2021

Abstract Conductive hydrogels can be prepared by incorporating various conductive materials into polymeric network hydrogels. In recent years, have been developed and applied in the field of strain sensors owing to their unique properties, such as electrical conductivity, mechanical self‐healing, anti‐freezing properties. These remarkable properties allow hydrogel‐based show excellent performance for identifying external stimuli detecting human body movement, even at subzero temperatures. This review summarizes application fabrication working different modes. Finally, a brief prospectus development future is provided.

Language: Английский

Citations

384

Multifunctional conductive hydrogel-based flexible wearable sensors DOI
Lirong Wang, Tailin Xu, Xueji Zhang

et al.

TrAC Trends in Analytical Chemistry, Journal Year: 2020, Volume and Issue: 134, P. 116130 - 116130

Published: Nov. 26, 2020

Language: Английский

Citations

365

Multimodal Sensors with Decoupled Sensing Mechanisms DOI
Ruoxi Yang, Wanqing Zhang, Naveen Tiwari

et al.

Advanced Science, Journal Year: 2022, Volume and Issue: 9(26)

Published: July 14, 2022

Abstract Highly sensitive and multimodal sensors have recently emerged for a wide range of applications, including epidermal electronics, robotics, health‐monitoring devices human–machine interfaces. However, cross‐sensitivity prevents accurate measurements the target input signals when multiple them are simultaneously present. Therefore, selection multifunctional materials design sensor structures play significant role in with decoupled sensing mechanisms. Hence, this review article introduces varying methods to decouple different realizing truly sensors. Early efforts explore outputs distinguish corresponding applied sequence. Next, study discusses suppression interference, signal correction, various decoupling strategies based on detect inputs. The recent insights into materials' properties, structure effects, mechanisms recognition highlighted. presence also helps avoid use complicated processing steps allows high accuracy applications bioelectronics, Finally, current challenges potential opportunities discussed order motivate future technological breakthroughs.

Language: Английский

Citations

254

Porous Hydrogels: Present Challenges and Future Opportunities DOI
Reza Foudazi,

Ryan Zowada,

Ica Manas‐Zloczower

et al.

Langmuir, Journal Year: 2023, Volume and Issue: 39(6), P. 2092 - 2111

Published: Jan. 31, 2023

In this feature article, we critically review the physical properties of porous hydrogels and their production methods. Our main focus is nondense that have pores besides space available between adjacent cross-links in polymer network. After reviewing theories on kinetics swelling, equilibrium structure–stiffness relationship, solute diffusion dense hydrogels, propose future directions to develop models for hydrogels. The aim show how can be designed produced studies leading modeling properties. Additionally, different methods are used making with physically incorporated briefly reviewed while discussing potentials, challenges, each method. Among kinetic methods, discuss bubble generation approaches including reactions, gas injection, phase separation, electrospinning, freeze-drying. Templating discussed solid-phase, self-assembled amphiphiles, emulsion, foam

Language: Английский

Citations

200

Strategies for body-conformable electronics DOI Creative Commons
Siyi Liu, Yifan Rao, Hongwoo Jang

et al.

Matter, Journal Year: 2022, Volume and Issue: 5(4), P. 1104 - 1136

Published: April 1, 2022

Language: Английский

Citations

194

Roles of MXene in Pressure Sensing: Preparation, Composite Structure Design, and Mechanism DOI
Dandan Lei, Nishuang Liu,

Tuoyi Su

et al.

Advanced Materials, Journal Year: 2022, Volume and Issue: 34(52)

Published: March 15, 2022

Abstract Flexible pressure sensors are one of the most important components in fields electronic skin (e‐skin), robotics, and health monitoring. However, application practice is still difficult expensive due to limited sensing properties complex manufacturing process. The emergence MXene, a red‐hot member 2D nanomaterials, has brought brand‐new breakthrough for sensing. Ti 3 C 2 T x popular studied MXene field shows good mechanical, electrical properties, excellent hydrophilicity, extensive modifiability. It will ameliorate sensitive layer electrode sensor, further apply many fields, such as e‐skin flexibility. Herein, preparation technologies, antioxidant methods, summarized. design MXene‐based microstructures introduced, including hydrogels, aerogels, foam, fabrics, composite nanofibers. mechanisms broached, piezoresistive, capacitive, piezoelectric, triboelectric, potentiometric transduction mechanism. Moreover, integration multiple devices reviewed. Finally, chance challenge improved by smart materials future Internet Things prospected.

Language: Английский

Citations

182

Recent advances in polysaccharide‐based hydrogels for synthesis and applications DOI Creative Commons
Zili Li, Zhiqun Lin

Aggregate, Journal Year: 2021, Volume and Issue: 2(2)

Published: Jan. 19, 2021

Abstract Hydrogels are three‐dimensional (3D) crosslinked hydrophilic polymer networks that have garnered tremendous interests in many fields, including water treatment, energy storage, and regenerative medicine. However, conventional synthetic hydrogels poor biocompatibility. In this context, polysaccharides, a class of renewable natural materials with biocompatible biodegradable properties, been utilized as building blocks to yield polysaccharide‐based through physical and/or chemical crosslinking polysaccharides via variety monomers or ions. These polysaccharide‐derived exhibit peculiar physicochemical properties excellent mechanical due their unique structures abundant functional groups. This review focuses on recent advances synthesis applications by capitalizing set (i.e., cellulose, alginate, chitosan, cyclodextrins [CDs]). First, we introduce the design principles for crafting hydrogels. Second, interconnected various strategies (e.g., crosslinking, double networking) summarized. particular, introduction noncovalent dynamic covalent interactions imparts myriad intriguing performances stimuli–response self‐recovery). Third, diverse self‐healing, sensory, supercapacitor, battery, drug delivery, wound healing, tissues engineering, bioimaging fields discussed. Finally, perspectives promote future enable new functions outlined.

Language: Английский

Citations

181

Recent Advances in Multiresponsive Flexible Sensors towards E‐skin: A Delicate Design for Versatile Sensing DOI

Wu‐Di Li,

Kai Ke, Jin Jia

et al.

Small, Journal Year: 2021, Volume and Issue: 18(7)

Published: Nov. 25, 2021

Abstract Multiresponsive flexile sensors with strain, temperature, humidity, and other sensing abilities serving as real electronic skin (e‐skin) have manifested great application potential in flexible electronics, artificial intelligence (AI), Internet of Things (IoT). Although numerous sole function already been reported since the concept e‐skin, that mimics features human skin, was proposed about a decade ago, ones more capacities new emergences are urgently demanded. However, highly integrated sensitive multiresponsive functions becoming big thrust for detection body motions, physiological signals (e.g., blood pressure, electrocardiograms (ECG), electromyograms (EMG), sweat, etc.) environmental stimuli light, magnetic field, volatile organic compounds (VOCs)), which vital to real‐time all‐round health monitoring management. Herein, this review summarizes design, manufacturing, presents future challenges fabricating these next‐generation e‐skin wearable electronics.

Language: Английский

Citations

178