Zunfeng Liu
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View article: Engineering Artificial Spider Silk From Biomimetic Synthesis to Advanced Applications
Engineering Artificial Spider Silk From Biomimetic Synthesis to Advanced Applications Open
Polymeric materials research is increasingly directed toward biomimicry, exploring designs derived from nature's long evolutionary processes to enhance material properties and sustainability. Scientists have long recognized that spider sil…
View article: A Bionic Textile Sensory System for Humanoid Robots Capable of Intelligent Texture Recognition
A Bionic Textile Sensory System for Humanoid Robots Capable of Intelligent Texture Recognition Open
Artificial tactile perception systems that emulate the functions of slow adaptive (SA) and fast adaptive (FA) cutaneous mechanoreceptors are essential for developing advanced prosthetics and humanoid robots. However, constructing a high‐pe…
View article: Innovations in spider silk‐inspired artificial gel fibers: Methods, properties, strengthening, functionality, and challenges
Innovations in spider silk‐inspired artificial gel fibers: Methods, properties, strengthening, functionality, and challenges Open
Spider silk, possessing exceptional combination properties, is classified as a bio‐gel fiber. Thereby, it serves as a valuable origin of inspiration for the advancement of various artificial gel fiber materials with distinct functionalitie…
View article: Establishing superfine nanofibrils for robust polyelectrolyte artificial spider silk and powerful artificial muscles
Establishing superfine nanofibrils for robust polyelectrolyte artificial spider silk and powerful artificial muscles Open
Spider silk exhibits an excellent combination of high strength and toughness, which originates from the hierarchical self-assembled structure of spidroin during fiber spinning. In this work, superfine nanofibrils are established in polyele…
View article: Bioinspired Mechanically Robust and Recyclable Hydrogel Microfibers Based on Hydrogen‐Bond Nanoclusters
Bioinspired Mechanically Robust and Recyclable Hydrogel Microfibers Based on Hydrogen‐Bond Nanoclusters Open
Mechanically robust hydrogel fibers have demonstrated great potential in energy dissipation and shock‐absorbing applications. However, developing such materials that are recyclable, energy‐efficient, and environmentally friendly remains an…
View article: Recent advances in flexible self-oscillating actuators
Recent advances in flexible self-oscillating actuators Open
Soft actuators are constituted by a type of intelligent materials, and they can generate reversible mechanical motions under external stimuli. They usually achieve continuous actuation by manual turning on or off the power supply, which si…
View article: A High‐Stretchability, Wide Detection Range, and Wide Temperature Range Ti<sub>3</sub>C<sub>2</sub>T<i><sub>x</sub></i> MXene/Graphene Strain Sensor Based on a Buckling Structure
A High‐Stretchability, Wide Detection Range, and Wide Temperature Range Ti<sub>3</sub>C<sub>2</sub>T<i><sub>x</sub></i> MXene/Graphene Strain Sensor Based on a Buckling Structure Open
Flexible wearable sensors have the characteristics of flexibility, comfort, and wearability, and have shown great potential in future electronic products. Despite significant efforts in developing stretchable electronic materials and struc…
View article: Outside Back Cover: Volume 4 Issue 6
Outside Back Cover: Volume 4 Issue 6 Open
Outside back cover image: Spider silk is natural fiber material with excellent combination of high strength and toughness, which is produced from the spinning dope solution by gelation and draw-spinning process. This encourages people to p…
View article: Fabrication of helix–fiber composites with mechanically coupled core-wrapping for programmable properties
Fabrication of helix–fiber composites with mechanically coupled core-wrapping for programmable properties Open
Helix-fiber composites (HFCs), which involve wrapping a material around a flexible core, are of interest for intelligent stretchable functional materials or devices. Here, we reveal that mechanical coupling between the core and wrapping pl…
View article: Recent developments in artificial spider silk and functional gel fibers
Recent developments in artificial spider silk and functional gel fibers Open
It is highly desirable to develop fiber materials with high strength and toughness while increasing fiber strength always results in a decrease in toughness. Spider silk is a natural fiber material with an excellent combination of high str…
View article: Pearl-Inspired Self-Extinguishing, Thermal-Conductive, and Robust Thermoplastic Polyurethane Composite by Strengthening Inter-Layer Packing
Pearl-Inspired Self-Extinguishing, Thermal-Conductive, and Robust Thermoplastic Polyurethane Composite by Strengthening Inter-Layer Packing Open
View article: Oscillating light engine realized by photothermal solvent evaporation
Oscillating light engine realized by photothermal solvent evaporation Open
View article: Morphology modulation of artificial muscles by thermodynamic-twist coupling
Morphology modulation of artificial muscles by thermodynamic-twist coupling Open
Human muscles can grow and change their length with body development; therefore, artificial muscles that modulate their morphology according to changing needs are needed. In this paper, we report a strategy to transform an artificial muscl…
View article: Microfluidic manipulation by spiral hollow-fibre actuators
Microfluidic manipulation by spiral hollow-fibre actuators Open
A microfluidic manipulation system that can sense a liquid and control its flow is highly desirable. However, conventional sensors and motors have difficulty fitting the limited space in microfluidic devices; moreover, fast sensing and act…
View article: Self-Healable and Super-Tough Double-Network Hydrogel Fibers from Dynamic Acylhydrazone Bonding and Supramolecular Interactions
Self-Healable and Super-Tough Double-Network Hydrogel Fibers from Dynamic Acylhydrazone Bonding and Supramolecular Interactions Open
Macroscopic hydrogel fibers are highly desirable for smart textiles, but the fabrication of self-healable and super-tough covalent/physical double-network hydrogels is rarely reported. Herein, copolymers containing ketone groups were synth…
View article: Spider Silk‐Inspired Artificial Fibers
Spider Silk‐Inspired Artificial Fibers Open
Spider silk is a natural polymeric fiber with high tensile strength, toughness, and has distinct thermal, optical, and biocompatible properties. The mechanical properties of spider silk are ascribed to its hierarchical structure, including…
View article: Surface Modification and Functional Structure Space Design to Improve the Cycle Stability of Silicon Based Materials as Anode of Lithium Ion Batteries
Surface Modification and Functional Structure Space Design to Improve the Cycle Stability of Silicon Based Materials as Anode of Lithium Ion Batteries Open
Silicon anode is considered as one of the candidates for graphite replacement due to its highest known theoretical capacity and abundant reserve on earth. However, poor cycling stability resulted from the “volume effect” in the continuous …
View article: Recent Advances in Twisted‐Fiber Artificial Muscles
Recent Advances in Twisted‐Fiber Artificial Muscles Open
An artificial muscle is a type of actuator that can contract, extend, or rotate when exposed to external stimuli (e.g., electrochemical, temperature, pressure, humidity, light, etc.). Twisted fibers can be used in powerful artificial muscl…
View article: Extracellular Nanovesicle Enhanced Gene Transfection Using Polyethyleneimine in HEK293T Cells and Zebrafish Embryos
Extracellular Nanovesicle Enhanced Gene Transfection Using Polyethyleneimine in HEK293T Cells and Zebrafish Embryos Open
It is a hot topic to improve efficiency and decrease toxicity of gene transfection reagents. The extracellular nanovesicles (EVs) that are released by cells play an important role in intercellular communication and are naturally designed f…
View article: Intrinsic elastic conductors with internal buckled electron pathway for flexible electromagnetic interference shielding and tumor ablation
Intrinsic elastic conductors with internal buckled electron pathway for flexible electromagnetic interference shielding and tumor ablation Open
View article: Recent progress on stretchable conductors
Recent progress on stretchable conductors Open
Flexible stretchable conductors have attracted wide attention due to their promising applications in information, energy, medical, national defense and other fields, where elastic conductors undergo large deformation and form intimate cont…
View article: Artificial spider silk from ion-doped and twisted core-sheath hydrogel fibres
Artificial spider silk from ion-doped and twisted core-sheath hydrogel fibres Open
Spider silks show unique combinations of strength, toughness, extensibility, and energy absorption. To date, it has been difficult to obtain spider silk-like mechanical properties using non-protein approaches. Here, we report on an artific…
View article: Wearable Electronics: Buckled Structures: Fabrication and Applications in Wearable Electronics (Small 32/2019)
Wearable Electronics: Buckled Structures: Fabrication and Applications in Wearable Electronics (Small 32/2019) Open
The dawn of the age of wearable electronics: buckling structures, which are widely used in nature, provide the required deformability of wearable electronic devices. In article number 1804805, Zunfeng Liu and co-workers provide fundamental…
View article: Enhancing the strength, toughness, and electrical conductivity of twist-spun carbon nanotube yarns by π bridging
Enhancing the strength, toughness, and electrical conductivity of twist-spun carbon nanotube yarns by π bridging Open
View article: Moisture Sensitive Smart Yarns and Textiles from Self‐Balanced Silk Fiber Muscles
Moisture Sensitive Smart Yarns and Textiles from Self‐Balanced Silk Fiber Muscles Open
Smart textiles that sense, interact, and adapt to environmental stimuli have provided exciting new opportunities for a variety of applications. However, current advances have largely remained at the research stage due to the high cost, com…
View article: Mechanical modulation of terahertz wave via buckled carbon nanotube sheets
Mechanical modulation of terahertz wave via buckled carbon nanotube sheets Open
Manipulation of terahertz (THz) wave plays an important role in THz imaging, communication, and detection. The difficulty in manipulating the THz wave includes single function, untunable, and inconvenient integration. Here, we present a me…
View article: Fabrication of Stretchable Copper Coated Carbon Nanotube Conductor for Non-Enzymatic Glucose Detection Electrode with Low Detection Limit and Selectivity
Fabrication of Stretchable Copper Coated Carbon Nanotube Conductor for Non-Enzymatic Glucose Detection Electrode with Low Detection Limit and Selectivity Open
The increasing demand for wearable glucose sensing has stimulated growing interest in stretchable electrodes. The development of the electrode materials having large stretchability, low detection limit, and good selectivity is the key comp…
View article: Flexible Electronics: A Bi‐Sheath Fiber Sensor for Giant Tensile and Torsional Displacements (Adv. Funct. Mater. 35/2017)
Flexible Electronics: A Bi‐Sheath Fiber Sensor for Giant Tensile and Torsional Displacements (Adv. Funct. Mater. 35/2017) Open
A highly stretchable, resistive strain sensor composed of a bi-sheath structure is described by Jianning Ding, Linqi Shi, Zunfeng Liu, and co-workers in article number 1702134. Buckles of a carbon nanotube sheath contact with one another u…
View article: Miniaturized Stretchable and High-Rate Linear Supercapacitors
Miniaturized Stretchable and High-Rate Linear Supercapacitors Open
View article: Microstructure evolution of polycrystalline silicon by molecular dynamics simulation
Microstructure evolution of polycrystalline silicon by molecular dynamics simulation Open
Polycrystalline silicon is the dominant material in solar cells and plays an important role in photovoltaic industry. It is important for not only the conventional production of silicon ingots but also the direct growth of silicon wafers t…