Sustainable Bioinspired Helical Fibrous Electronics with Interfacial Bonding, Wide Range Elasticity and High Conductivity DOI Creative Commons

Yutao Lu,

Bing Li,

Zuxian Zhang

et al.

Advanced Electronic Materials, Journal Year: 2024, Volume and Issue: 10(10)

Published: March 19, 2024

Abstract Because of the weak interfacial bonding between substrates and active materials, most stretchable electronics often face problem performance destabilization functional failure, especially under large strains. Herein, a super‐elastic, high conductive core‐shell nanofibrous helix based on polyurethane (PU), silk fibroin (SF) liquid metal (LM) is fabricated. Compared with traditional membrane, that LM@PU/SF fibrous shows wider range workable strain (1500%) reversible elasticity (600%) accompany conductivity found. SF acted as “glue” to strengthen PU LM. The good helical structure polymer well fluidity LM improve stretchability, conductor. Furthermore, an alarming monitoring apparatus using unit multiscale fracture engineered. This composite ultra‐high elasticity, making it promising candidate for electronic devices.

Language: Английский

Design and macroscopic mechanical responses of auxetic metamaterials with tunable stiffness DOI Creative Commons
Shangbin Wang,

Junxian Guo,

Andras Biczo

et al.

Materials & Design, Journal Year: 2024, Volume and Issue: 241, P. 112913 - 112913

Published: April 2, 2024

This research presents the design, manufacturing, and macroscopic characterization of flexible mechanical metamaterials with tunable elastic properties. The constants were given using energy principle Castigliano's second theorem, results validated through static simulations tensile experiments, showing good agreement. Then complete parametric study was conducted to demonstrate possibility extensively customizing Poisson effect stiffness. Additionally, comparison between developed star-shaped cellular structures on properties six groups samples. demonstrated that exhibited remarkable superiority in deformability, sensitivity, auxeticity. Furthermore, an innovative experiment is devised characterize responses coupling system complemented numerical modeling, similar phenomenon also observed other metamaterials. proposed design offered a way induce system's profile occurring wavy deformation.

Language: Английский

Citations

17
Anisotropic Morphing in Bistable Kirigami through Symmetry Breaking and Geometric Frustration DOI Creative Commons
Chuan Qiao, Filippo Agnelli, Deepak Kumar Pokkalla

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(23)

Published: Feb. 28, 2024

Abstract Shape morphing in bistable kirigami enables remarkable functionalities appealing to a diverse range of applications across the spectrum length scale. At core their shape shifting lies architecture repeating unit, where highly deformable slits and quasi‐rigid rotating units often exhibit multiple symmetries that confer isotropic deployment obeying uniform scaling transformation. In this work, symmetry breaking is investigated access geometric frustration anisotropic morphing, enabling arbitrarily scaled planar spatial domains. With an analysis on properties complemented by systematic investigation integrating semi‐analytical derivations, numerical simulations, experiments elastic sheets, work unveils fundamental relations between slit symmetry, frustration, deployment. Furthermore, asymmetric are leveraged flat‐to‐3D demonstrations showcase pivotal role shear deformation achieving target shapes functions so far unattainable with uniformly stretchable kirigami. The insights provided unveil controlling soft metamaterials, enriching achievable for spanning deployable space structures, wearable technologies, machines.

Language: Английский

Citations

11
Optoelectronically navigated nano-kirigami microrotors DOI Creative Commons
Xiaorong Hong, Bingrui Xu, Gong Li

et al.

Science Advances, Journal Year: 2024, Volume and Issue: 10(17)

Published: April 24, 2024

With the rapid development of micro/nanofabrication technologies, concept transformable kirigami has been applied for device fabrication in microscopic world. However, most nano-kirigami structures and devices were typically fabricated or transformed at fixed positions restricted to limited mechanical motion along a single axis due their small sizes, which significantly limits functionalities applications. Here, we demonstrate precise shaping position control microrotors. Metallic microrotors with size ~10 micrometers deliberately released from substrates readily manipulated through multimode actuation controllable speed direction using an advanced optoelectronic tweezers technique. The underlying mechanisms versatile interactions between electric field are uncovered by theoretical modeling systematic analysis. This work reports novel methodology fabricate manipulate micro/nanorotors well-designed sophisticated morphologies, providing new solutions future micro/nanomachinery.

Language: Английский

Citations

11
Water-powered, electronics-free dressings that electrically stimulate wounds for rapid wound closure DOI Creative Commons
Kaveti Rajaram, Margaret A. Jakus,

Henry Chen

et al.

Science Advances, Journal Year: 2024, Volume and Issue: 10(32)

Published: Aug. 7, 2024

Chronic wounds affect ~2% of the U.S. population and increase risks amputation mortality. Unfortunately, treatments for such are often expensive, complex, only moderately effective. Electrotherapy represents a cost-effective treatment; however, its reliance on bulky equipment limits clinical use. Here, we introduce water-powered, electronics-free dressings (WPEDs) that offer unique solution to this issue. The WPED performs even under harsh conditions-situations wherein many present fail. It uses flexible, biocompatible magnesium-silver/silver chloride battery pair stimulation electrodes; upon addition water, creates radial electric field. Experiments in diabetic mice confirm WPED's ability accelerate wound closure promote healing by increasing epidermal thickness, modulating inflammation, promoting angiogenesis. Across preclinical models, WPED-treated group heals faster than control with rates comparable requiring expensive biologics and/or complex electronics. results demonstrate potential as an effective more practical treatment dressing.

Language: Английский

Citations

11
Dual Temperature- and pH-Responsive Layered Hydrogels Synthesized via Halogen Bond-Based Solid Phase Radical Polymerization DOI
Leow Hui Ting Lyly, Hong Tho Le, Atsushi Goto

et al.

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

Published: Feb. 3, 2025

Stimuli-responsive shape-changing layered hydrogels were, for the first time, prepared via solid-phase polymerization, where halogen bond-based radical polymerization was utilized. Monomer cocrystals were assembled to form predetermined structures before and all layers are polymerized at one time. AB bilayer ABA ABC trilayer hydrogel sheets that consisted of temperature- pH-responsive prepared. The obtained responsive temperature pH in dual manners relatively wide ranges (5-65 °C) (2.0-11.0). exhibited bending upon stimuli. angle tunable, direction (negative positive directions) also switchable response pH. concave, trapezoid, convex shape changes with modulated angles, which unprecedented changes. Because ease operation monomer scope (using bonding), present method offers a facile versatile approach fabricate stimuli-responsive materials.

Language: Английский

Citations

1
Advances in 2D materials for wearable biomonitoring DOI
Songyue Chen, Shumao Xu, Xiujun Fan

et al.

Materials Science and Engineering R Reports, Journal Year: 2025, Volume and Issue: 164, P. 100971 - 100971

Published: March 12, 2025

Language: Английский

Citations

1
Stretchable Electronics with Strain‐Resistive Performance DOI

Sihui Hou,

Cong Chen, Libing Bai

et al.

Small, Journal Year: 2023, Volume and Issue: 20(11)

Published: Dec. 11, 2023

Abstract Stretchable electronics have attracted tremendous attention amongst academic and industrial communities due to their prospective applications in personal healthcare, human‐activity monitoring, artificial skins, wearable displays, human‐machine interfaces, etc. Other than mechanical robustness, stable performances under complex strains these devices that are not for strain sensing equally important practical applications. Here, a comprehensive summarization of recent advances stretchable with strain‐resistive performance is presented. First, detailed overviews intrinsically materials, including conductors, semiconductors, insulators, given. Then, systematic representations advanced structures, helical, serpentine, meshy, wrinkled, kirigami‐based summarized. Next, arrays circuits performance, integrate multiple functionalities enable behaviors, introduced. This review presents overview progress provides guideline the future development electronics.

Language: Английский

Citations

22
Bioelectronic Applications of Intrinsically Conductive Polymers DOI Creative Commons

Xianglin Gao,

Yilin Bao, Zhijun Chen

et al.

Advanced Electronic Materials, Journal Year: 2023, Volume and Issue: 9(10)

Published: July 26, 2023

Abstract Since the discovery of conducting polyacetylene in 1970s, intrinsically polymers (ICPs) have attracted great attention because their interesting structure, properties, and applications. Notably different from conventional conductors such as metals doped semiconductors, ICPs high mechanical flexibility are light weight. In addition, properties can be easily tuned by controlling doping level, modifying chemical or forming composites with organic inorganic materials. Their application bioelectronics is particularly they good biocompatibility matching biological tissues. this article, methods to increase stretchability first reviewed often required for bioelectronic applications while pristine generally limited stretchability. The stretchable electrodes epidermal biopotential detection neural interfaces discussed. Then, employment sensing material sensors reviewed. They also important controllable drug delivery. Last, wearable energy harvesting storage devices including thermoelectric generators supercapacitors covered.

Language: Английский

Citations

20
Multi-sensorized pneumatic artificial muscle yarns DOI
Chiyu Fu, Kai Wang,

Wenyang Tang

et al.

Chemical Engineering Journal, Journal Year: 2022, Volume and Issue: 446, P. 137241 - 137241

Published: May 27, 2022

Language: Английский

Citations

23
3D shape morphing of stimuli-responsive composite hydrogels DOI Creative Commons
Li Xiao, Minghao Li, Lisa Tang

et al.

Materials Chemistry Frontiers, Journal Year: 2023, Volume and Issue: 7(23), P. 5989 - 6034

Published: Jan. 1, 2023

Programmable 3D shape morphing of stimuli-responsive hydrogels is great interest for the fabrication soft actuators and robots. The corporation hydrogel matrices functional additives discussed in this review.

Language: Английский

Citations

15