A5006256955- Advanced Sensor and Energy Harvesting Materials
- Supercapacitor Materials and Fabrication
- Conducting polymers and applications
- Polymer composites and self-healing
- Advancements in Battery Materials
- Advanced Materials and Mechanics
- Graphene research and applications
- Advanced Battery Materials and Technologies
- Electrospun Nanofibers in Biomedical Applications
- Carbon and Quantum Dots Applications
- Graphene and Nanomaterials Applications
- Dielectric materials and actuators
- High voltage insulation and dielectric phenomena
- 2D Materials and Applications
- Fuel Cells and Related Materials
- Advanced battery technologies research
- Power Transformer Diagnostics and Insulation
- Solar-Powered Water Purification Methods
- Electrochemical sensors and biosensors
- Neuroscience and Neural Engineering
- Metallic Glasses and Amorphous Alloys
- Electrocatalysts for Energy Conversion
- Electromagnetic Effects on Materials
- Perovskite Materials and Applications
- Copper-based nanomaterials and applications
Nanjing University of Science and Technology
2023-2025
University of Hong Kong
2025
China University of Geosciences (Beijing)
2023-2024
Shaanxi Normal University
2024
Xiangtan University
2022-2024
Beijing University of Technology
2024
University of California, Los Angeles
2020-2023
University of Electronic Science and Technology of China
2023
National Engineering Research Center of Electromagnetic Radiation Control Materials
2023
National University of Defense Technology
2023
Abstract Hydrogels, exhibiting wide applications in soft robotics, tissue engineering, implantable electronics, etc., often require sophisticately tailoring of the hydrogel mechanical properties to meet specific demands. For examples, robotics necessitates tough hydrogels; stem cell culturing demands various tissue‐matching modulus; and neuron probes desire dynamically tunable modulus. Herein, a strategy broadly alter hydrogels reversibly via tuning aggregation states polymer chains by ions...
A poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) hydrogel is prepared by thermal treatment of a commercial PEDOT:PSS (PH1000) suspension in 0.1 mol L-1 sulfuric acid followed partially removing its PSS component with concentrated acid. This has low solid content 4% (by weight) and an extremely high conductivity 880 S m-1 . It can be fabricated into different shapes such as films, fibers, columns arbitrary sizes for practical applications. highly conductive mechanically...
Significance Here cheap candle soot is utilized to make superhydrophobic photothermal icephobic surfaces. The provides the hierarchical structure for superhydrophobicity; meanwhile, sunlight can be trapped in enhance light absorption leading a high efficiency. superhydrophobicity help maintain excellent performance. Firstly, surface remove melted water immediately leaving dry surface, which avoids reflectance and thermal mass of thus reduces heat loss. Secondly, capable self-cleaning; dust...
Water-enhanced oxidation of graphite <italic>via</italic> a modified Hummers method can produce graphene oxide with controlled species oxygenated groups.
Base-induced graphene oxide (GO) liquid crystals form a highly ordered texture. This microstructure can be inherited by foams prepared hydrothermal reduction, showing long-range of sheets in 3D. provides an insightful understanding into the supramolecular chemistry GO sheets.
As the soaring demand for energy storage continues to grow, batteries that can cope with extreme conditions are highly desired. Yet, existing battery materials limited by weak mechanical properties and freeze-vulnerability, prohibiting safe in devices exposed low temperature unusual impacts. Herein, a fabrication method harnessing synergistic effect of co-nonsolvency "salting-out" produce poly(vinyl alcohol) hydrogel electrolytes unique open-cell porous structures, composed strongly...
Soft self-healing materials are compelling candidates for stretchable devices because of their excellent compliance, extensibility, and self-restorability. However, most existing soft polymers suffer from crack propagation irreversible fatigue failure due to easy breakage dynamic amorphous, low-energy polymer networks. Herein, inspired by distinct structure-property relationship biological tissues, a supramolecular interfacial assembly strategy preparing composites with unprecedented...
Biological skin systems can perceive various external stimuli through ion transduction. Especially, the of some advanced organisms such as cephalopods further promptly change body color by manipulating photonic nanostructures. However, current skin-inspired soft iontronics lack rapid full-color switching ability to respond multiple including tension, pressure, and temperature. Here, an intelligent chromotropic with these fascinating functions is developed constructing a biomimetic...
Abstract Vitrimers, with their unique dynamic covalent bonds, possess attractive self‐healability and mechanical robustness, providing an intriguing opportunity to construct functional soft materials. However, potential for function recovery, especially optical function, is underexplored. Harnessing the synergistic effect of photonic crystals vitrimers, a novel vitrimer light regulating self‐healing capabilities presented. The resulting exhibits large tensile strain (>1000%), high...
Abstract Shape memory polymers (SMPs) have attracted significant attention and hold vast potential for diverse applications. Nevertheless, conventional SMPs suffer from notable shortcomings in terms of mechanical properties, environmental stability, energy density, significantly constraining their practical utility. Here, inspired by the structure muscle fibers, an innovative approach that involves precise incorporation subtle, permanent cross‐linking within a hierarchical hydrogen bonding...
Abstract Supramolecular plastics (SMPs) can be made mechanically robust, repairable, and recyclable, rendering themselves promising alternatives to their conventional predecessors address environmental concerns. However, dense accumulations of noncovalent bonds generally lead mechanical brittleness as well intolerance toward heat moisture. To resolve this issue, a simple strategy preparing high‐performance SMP by constructing highly dense, but irregular hydrogen‐bond networks with...
Soft self-healing materials are crucial for the development of next-generation wearable electronics that could function in dynamic environments and resist mechanical damage. However, several challenges remain, including fatigue fracture, poor elasticity, thermodynamic lability, which significantly limit their practical applications. Here, with a model system soft polyurea, we propose molecular engineering strategy transforming inherently fragile an island-like structure into resilient ones...
Abstract Realizing the full potential of self‐healing materials in stretchable electronics necessitates not only low modulus to enable high adaptivity, but also toughness resist crack propagation. However, existing toughening strategies for soft have modestly improves mechanical dissipation near tip ( Г D ), and invariably compromise material's inherent softness autonomous healing capabilities. Here, a synthetic microporous architecture is demonstrated that unprecedently toughens softens...
Composites of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) and reduced graphene oxide (rGO) have been prepared by solution mixing applied as electrocatalysts for oxygen reduction reaction (ORR) after treatment with concentrated H2SO4. The blending rGO induces the conformational change PEDOT chains from benzoid to quionoid structure charge transfer PEDOT. H2SO4 post-treatment can remove part insulating PSS surface PEDOT:PSS/rGO composite film, resulting in a significant...
Abstract Oriented microstructures are widely found in various biological systems for multiple functions. Such anisotropic structures provide low tortuosity and sufficient surface area, desirable the design of high‐performance energy storage devices. Despite significant efforts to develop supercapacitors with aligned morphology, challenges remain due predefined pore sizes, limited mechanical flexibility, mass loading. Herein, a wood‐inspired flexible all‐solid‐state hydrogel supercapacitor is...
Abstract All‐solid‐state supercapacitors are seeing emerging applications in flexible and stretchable electronics. Supercapacitors with high capacitance, power density, simple form factor, good mechanical robustness highly desired, which demands electrode materials surface area, mass loading, conductivity, larger thickness, low tortuosity, toughness. However, it has been challenging to simultaneously realize them a single material. By compositing superficial layer of tough hydrogel on...
A flexible in-plane micro-supercapacitor fabricated by laser carving a highly conductive reduced graphene oxide film and electrochemical activation exhibits high areal specific capacitance excellent cycling stability.
Abstract Carbon dots (CDs) have attracted increasing attention in disease therapy owing to their low toxicity and good biocompatibility. Their therapeutic effect strongly depends on the CDs structure (e.g., size or functional groups). However, impact of chirality maltase blood glucose level has not yet been fully emphasized studied. Moreover, previous reports, chiral with targeted optical activity be synthesized from precursors corresponding rotation, severely limiting design. Here, rotation...
Abstract Ionotronics, emerging devices that couple gel ionic conductors and electronic circuits, have shown great promise as stretchable alternatives with multi‐functionalities to conventional rigid devices, ranging from energy harvesting sensing, displaying, actuation. However, current hydrogel ionotronics’ performances are still unsatisfactory: i) upon high alternating frequency (> 1000 Hz), the conductivity dominates but is rather low drops further drastically temperature decreases;...
Abstract With rapid advances in soft electronic devices, the demand for conductive materials, including hydrogels, with superior mechanical properties, high conductivity and functionality under extreme environmental conditions are increasing at an unprecedented rate. Although hydrogels have favorable properties such as softness broad tunability ranges, they freeze subzero temperatures, leading to materials failure device malfunctions, introduction of antifreezing agents into often severely...