The Dynamic Mortise-and-Tenon Interlock Assists Hydrated Soft Robots Toward Off-Road Locomotion DOI Creative Commons
Baoyi Wu,

Yaoting Xue,

Israt Ali

et al.

Research, Journal Year: 2022, Volume and Issue: 2022

Published: Jan. 1, 2022

Natural locomotion such as walking, crawling, and swimming relies on spatially controlled deformation of soft tissues, which could allow efficient interaction with the external environment. As one ideal candidates for biomimetic materials, hydrogels can exhibit versatile bionic morphings. However, it remains an enormous challenge to transfer these in situ deformations locomotion, particularly above complex terrains. Herein, inspired by crawling mode inchworms, isotropic hydrogel thermoresponsiveness evolve anisotropic actuator via interfacial diffusion polymerization, further evolving multisection structure exhibiting adaptive diverse degrees freedom. Therefore, a dynamic mortise-and-tenon interlock be generated through between self-deformation rough terrains, inducing continual multidimensional various artificial substrates natural sandy terrain. Interestingly, benefiting from powerful mechanical energy capability, crawlable actuators also utilized motors activate static cargos overstep potential application discoloration device. we believe that this design principle control strategy may interest field deformable robots, devices.

Language: Английский

Stimuli‐responsive photonic actuators for integrated biomimetic and intelligent systems DOI Creative Commons
Jingjing Gao, Yuqi Tang, Daniele Martella

et al.

Deleted Journal, Journal Year: 2023, Volume and Issue: 1(1)

Published: July 27, 2023

Abstract Photonic actuators, serving as an emerging kind of intelligent stimuli‐responsive material, can exhibit the abilities to change their structural colors/fluorescence and shapes under specific external stimuli, which have demonstrated essential applications in fields soft robotics, sensors, bionics, information storage, anti‐counterfeiting, energy harvesting. In this review, we reported state‐of‐the‐art research progress photonic actuators classified on basis material type focusing actuation mechanisms, design principles, processing techniques. We also broadly summarized relative robots, so on. Finally, a vision for challenges area future promising directions is presented.

Language: Английский

Citations

86
Pressure/Temperature Dual‐Responsive Cellulose Nanocrystal Hydrogels for On‐Demand Schemochrome Patterning DOI
Xinkai Li, Jize Liu, Xinxing Zhang

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(47)

Published: July 26, 2023

Abstract Cellulose nanocrystal (CNC) based optical devices with adjustable schemochrome have attracted immense interest. However, most of the previously reported structural colored CNC‐based materials can only achieve simple stress‐induced color change, which difficulty achieving multimode control complex patterning that be accurately identified. Here, inspired by nanostructure‐based color‐changing mechanism neon tetra, this study presents a pressure/temperature dual‐responsive hydrogel dynamic chiral nematic structure. By incorporating abundant interfacial noncovalent interactions, correlations between helical pitch vertically stacked cholesteric liquid crystalline (LC) phase and responsiveness flexible thermosensitive substrate are established, further enable wide‐range characteristic (12°–213° in HSV model 421–734 nm UV–Vis spectra) identifiable visualized patterning. The resultant hydrogels applied proof‐of‐concept demonstrations on‐demand patterning, including customizable patterned dual‐encryption label, smart digital display, temperature monitor, intelligent recognition/control system. This envisages bioinspired construction nanomaterials will promising applications responsive photonic equipment anticounterfeiting, systems.

Language: Английский

Citations

82
Bio‐inspired Structure‐editing Fluorescent Hydrogel Actuators for Environment‐interactive Information Encryption DOI
Ruijia Wang, Yi Zhang, Wei Lu

et al.

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(23)

Published: March 16, 2023

Abstract Many living organisms have the superb structure‐editing capacity for better adaptation in dynamic environments over course of their life cycle. However, it's still challenging to replicate such natural into artificial hydrogel actuating systems enhancing environment‐interactive functions. Herein, we learn from metamorphosis development glowing octopus construct proof‐of‐concept fluorescent actuators with life‐like by developing a universal stepwise inside‐out growth strategy. These could perform origami‐like 3D shape deformation and also enable postnatal new structures adapt additional states different visual information delivery using environment keys (e.g., temperature, pH). This study opens previously unidentified‐avenues bio‐inspired actuators/robotics extends potential uses encryption.

Language: Английский

Citations

72
Light‐Writing and Projecting Multicolor Fluorescent Hydrogels for On‐Demand Information Display DOI

Shuxin Wei,

Wei Lü, Huihui Shi

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(25)

Published: April 13, 2023

Intelligent rewritable display systems have been long expected to reduce the heavy consumption of single-use or transient devices in age Internet-of-Things. However, it remains challenging construct such with integrated functionality remote control, rapid activation, multicolor and multimode display. Herein, by learning from unique multilayer arrangement chromatophores chameleon skins, a promising kind hydrogel is presented that can combine merits near-infrared (NIR) light-writing projecting modes for on-demand information Specifically, typical layout consisting poly(dimethylsiloxane) (PDMS)-sealed carbon nanotubes (CNTs) film as photothermal control unit embedded fluorescent hydrogels unit, which thermoresponsive constrained within non-responsive hydrogel. Such rational structure design results establishment one mechanism via cascading "light trigger-heat generation-fluorescence output" process. On this basis, reversible hand-written arbitrary achieved 5 s. Also, sustainable light-projecting predesigned patterns demonstrated due ensures easy patterning layer. This study brings functional-integrated novel open new possibility high-end products display/transmission.

Language: Английский

Citations

57
Nanocellulose-mediated bilayer hydrogel actuators with thermo-responsive, shape memory and self-sensing performances DOI

Yuanyuan Ma,

Ya Lu, Yiying Yue

et al.

Carbohydrate Polymers, Journal Year: 2024, Volume and Issue: 335, P. 122067 - 122067

Published: March 21, 2024

Language: Английский

Citations

56
Fishing Net‐Inspired Mutiscale Ionic Organohydrogels with Outstanding Mechanical Robustness for Flexible Electronic Devices DOI

Bohui Zheng,

Hongwei Zhou, Zhao Wang

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(28)

Published: April 7, 2023

Abstract Mechanically robust and electrically conductive organohydrogels/hydrogels are increasingly required in flexible electronic devices, but it remains a challenge to achieve with integrated high performances. Herein, inspired by the geometric deformability robustness of fishing nets, multiscale ionic organohydrogels outstanding isotropic mechanical developed. The prepared introducing polyacrylamide (PAM) hydrogel, Zn 2+ binary solvent glycerol‐water into crosslinked fibrous mat which is electrospun from poly(acrylic acid) (PAA) poly(vinyl alcohol) (PVA). Because unique structure, resultant organohydrogels, being mentioned as PAA‐PVA/PAM/Zn exhibit tensile strength (9.45 MPa), stretchability, excellent anti‐fatigue property, skin‐like behaviors conductivity. Importantly, promising devices capable operating properly over wide temperature range under harsh conditions, such mechanical‐electrical signal transducing materials mechanosensors electrolytes zinc ion hybrid supercapacitors. Not only design strategy will provide clue improve properties soft materials, also offer for future devices.

Language: Английский

Citations

55
Stimuli‐responsive fluorescent hydrogels: Strategies and applications DOI Creative Commons

Mengying Lei,

Qian Wang, Ruirui Gu

et al.

Deleted Journal, Journal Year: 2024, Volume and Issue: 2(1)

Published: Jan. 12, 2024

Abstract Stimuli‐responsive fluorescent hydrogels are three‐dimensional networked polymeric materials with tunable luminescence and dynamic properties, which play an important role as a water‐rich soft material in the fields of information encryption, bionic actuation, bioimaging, environmental monitoring, luminescent materials. Compared conventional hydrogels, their unique properties allow visualization microscopic dynamics within polymer network. By rational inclusion motifs, such photoswitches, AIEgens, lanthanide complexes, host–guest these endowed tunability emission, shape, phase time space response to effectors. In this review, we summarize fabrication strategies that mainly used by recently reported stimuli‐responsive applications

Language: Английский

Citations

29
Mechanically Robust and Anti‐Swelling Anisotropic Conductive Hydrogel with Fluorescence for Multifunctional Sensing DOI Open Access

Yaoxun Zhang,

Xin Jing,

Jian Zou

et al.

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

Published: Aug. 24, 2024

Abstract The intricate muscle arrangement structure endows the biological tissues with unique mechanical properties. Inspired by that, a mechanically robust and multifunctional anisotropic Polyacrylamide/Sodium alginate/Zirconium ion/Carbon dots (PAM/SA/Zr 4+ /CDs, PSZC) hydrogel is developed through synergistic effect of mechanical‐assisted stretching, Zr metal‐coordination CDs embedding. resulting exhibited an impressive tensile strength 2.56 MPa exceptional toughness 10.10 MJ m −3 along stretching direction, attributing to oriented alignment PAM SA molecular chains induced metal‐coordination. dense network endowed PSZC excellent anti‐swelling performance, achieving swelling ratio only 1.7% after being stored in water for 30 days. presence conferred remarkable electrical conductivity 2.15 S −1 hydrogel. Furthermore, integration carbon imparted fluorescence properties, rendering it visual sensing capabilities. Overall, straightforward strategy proposed fabricating suitable underwater sensing, offering valuable insights development high‐performance sensors.

Language: Английский

Citations

22
Physical strategies to engineer supramolecular composite hydrogels for advanced biomedical applications DOI

Sravan Baddi,

Auphedeous Y. Dang-i,

Fengli Gao

et al.

Progress in Materials Science, Journal Year: 2025, Volume and Issue: 151, P. 101428 - 101428

Published: Jan. 9, 2025

Language: Английский

Citations

2
Sophisticated yet Convenient Information Encryption/Decryption Based on Synergistically Time‐/Temperature‐Resolved Photonic Inks DOI Creative Commons
Dong Li, Jiamin Wu,

Zheng‐Hong Liang

et al.

Advanced Science, Journal Year: 2022, Volume and Issue: 10(5)

Published: Dec. 11, 2022

Exploring high-safety but convenient encryption and decryption technologies to combat threats of information leakage is urgently needed remains a great challenge. Here, synergistically time- temperature-resolved coding/decoding solution based on functional photonic inks demonstrated. Encrypted messages can be stored into multiple channels with dynamic-color patterns, only enabled at appointed temperature time points. Notably, the ink easily processed quick-response codes multipixel plates. With high transparency responsive color variations controlled by compositions ambient temperatures, advanced 3D stacking multichannel coding Morse techniques applied for multi-information storage, complex anticounterfeiting, interference. This study paves an avenue design development dynamic high-end anticounterfeiting applications.

Language: Английский

Citations

51