A5100615684- Graphene research and applications
- Supercapacitor Materials and Fabrication
- Advancements in Battery Materials
- Advanced Sensor and Energy Harvesting Materials
- Graphene and Nanomaterials Applications
- Advanced Materials and Mechanics
- Gas Sensing Nanomaterials and Sensors
- Thermal properties of materials
- Advanced Battery Materials and Technologies
- Inhalation and Respiratory Drug Delivery
- Acoustic Wave Resonator Technologies
- Aerogels and thermal insulation
- Carbon Nanotubes in Composites
- Thermal Radiation and Cooling Technologies
- Analytical Chemistry and Sensors
- Electromagnetic wave absorption materials
- Liquid Crystal Research Advancements
- Microencapsulation and Drying Processes
- Fiber-reinforced polymer composites
- Cold Atom Physics and Bose-Einstein Condensates
- Chalcogenide Semiconductor Thin Films
- Pickering emulsions and particle stabilization
- Conducting polymers and applications
- Mechanical and Optical Resonators
- Bone Tissue Engineering Materials
Zhejiang University
2016-2025
Collaborative Innovation Center of Chemistry for Energy Materials
2020-2025
Xiamen University
2020-2025
Shanxi Electromechanical Design and Research Institute
2023-2024
Union Hospital
2024
Shandong Academy of Sciences
2024
Qilu University of Technology
2024
Huazhong University of Science and Technology
2024
Chinese Academy of Sciences
2007-2023
Shenzhen University Health Science Center
2023
All carbon aerogels (up to 1000 cm(3)) with ultralow density (down 0.16 mg cm(-3)) and temperature-invariant (-190-900 °C) super-elasticity are fabricated by facile assembling of commercial nanotubes (CNTs) chemically-converted giant graphene sheets, on the basis synergistic effect between elastic CNTs ribs cell walls.
Abstract A method of fabricating ultrathin (≈22–53 nm thick) graphene nanofiltration membranes (uGNMs) on microporous substrates is presented for efficient water purification using chemically converted (CCG). The prepared uGNMs show well packed layer structure formed by CCG sheets, as characterized scanning electron microscopy, atomic force and transmission microscopy. performance the treatment was evaluated a dead end filtration device pure flux high (21.8 L m −2 h −1 bar ). retention...
Chirality and liquid crystals are both widely expressed in nature biology. Helical assembly of mesophasic molecules colloids may produce intriguing chiral crystals. To date, 2D have not been explored. As a typical colloid, graphene is now receiving unprecedented attention. However, making macroscopic fibres hindered by the poor dispersibility lack an method. Here we report that soluble, chemically oxidized or oxide sheets can form twist-grain-boundary phase-like model with simultaneous...
Continuous, ultrastrong graphene fibers are achieved by wet-spinning of giant oxide liquid crystals, followed wet-drawing and ion-cross-linking. The size regular alignment sheets render the with high mechanical strength good conductivity. Such promise wide applications in functional textiles, flexible wearable sensors, supercapacitor devices. As a service to our authors readers, this journal provides supporting information supplied authors. materials peer reviewed may be re-organized for...
We reported an efficient method to prepare nylon-6− (PA6−) graphene (NG) composites by in situ polymerization of caprolactam the presence oxide (GO). During polycondensation, GO was thermally reduced simultaneously. By adjusting feed ratio GO, various with 0.01−10 wt % content were obtained. The highly grafting nylon-6 arms on sheets confirmed XPS, FTIR, TGA and AFM measurements, showing up 78 homogeneous 2D brush-like morphology from observations. polymer-chain makes homogeneously dispersed...
Liquid crystals of anisotropic colloids are great significance in the preparation their ordered macroscopic materials, for example, cases carbon nanotubes and graphene. Here, we report a facile scalable spinning process to prepare neat "core-shell" structured graphene aerogel fibers three-dimensional cylinders with aligned pores from flowing liquid crystalline oxide (GO) gels. The uniform alignment sheets, inheriting lamellar orders GO crystals, offers porous high specific tensile strength...
The formation of liquid crystals (LCs) is the most viable approach to produce macroscopic, periodic self-assembled materials from oriented graphene sheets. Herein, we have discovered that well-soluble and single-layered oxide (GO) sheets can exhibit nematic crystallinity in water first established their isotropic-nematic solid phase diagram versus mass fraction salt concentration. zeta potential GO dispersion around -64 mV, its absolute value decreases with increasing concentration, implying...
Electrical devices generate heat at work. The should be transferred away immediately by a thermal manager to keep proper functions, especially for high-frequency apparatuses. Besides high conductivity (K), the material requires good foldability next generation flexible electronics. Unfortunately, metals have satisfactory ductility but inferior K (≤429 W m-1 K-1 ), and highly thermal-conductive nonmetallic materials are generally brittle. Therefore, fabricating foldable macroscopic with...
Abstract As a reliable and scalable precursor of graphene, graphene oxide (GO) is great importance. However, the environmentally hazardous heavy metals poisonous gases, explosion risk long reaction times involved in current synthesis methods GO increase production costs hinder its real applications. Here we report an iron-based green strategy for single-layer 1 h. Using strong oxidant K 2 FeO 4 , our approach not only avoids introduction polluting toxic gases preparation products but also...
Continuous MXene/graphene fibers are fabricated<italic>via</italic>wet-spinning assembly strategy, from which fiber-constructed supercapacitors obtained that exhibit both high capacitance and flexibility.
Trihigh tricontinuous graphene cathode enables a 1.1 s charge, 250,000 cycle life, wide temperature range Al-ion battery.
New fibers with increased strength and rich functionalities have been untiringly pursued by materials researchers. In recent years, graphene fiber has arisen as a new carbonaceous high expectations in terms of mechanical functional performance. this review, we elucidated the concept sprouted fibers, including strategies for their fabrication basic structural attributes. We examine rapid advances promotion mechanical/functional properties summarize versatile applications multifunctional...
A conceptually new defect-free principle is proposed for designing graphene cathode of aluminum-ion battery: the fewer defects, better performances. Developed through scalable approach, aerogel affords high capacity 100 mAh g-1 under an ultrahigh rate 500 C, exceeding defective and previous reports. This can guide us to fabricate graphene-based electrodes.
Kilometer-scale continuous graphene fibers (GFs) with outstanding mechanical properties and excellent electrical conductivity are produced by high-throughput wet-spinning of oxide liquid crystals followed graphitization through a full-scale synergetic defect-engineering strategy. GFs superior performances promise wide applications in functional textiles, lightweight motors, microelectronic devices, so on. As service to our authors readers, this journal provides supporting information...
Abstract Graphene aerogel microlattices (GAMs) hold great prospects for many multifunctional applications due to their low density, high porosity, designed lattice structures, good elasticity, and tunable electrical conductivity. Previous 3D printing approaches fabricate GAMs require either content of additives or complex processes, limiting wide applications. Here, a facile ion‐induced gelation method is demonstrated directly print from graphene oxide (GO) based ink. With trace addition Ca...
ConspectusIn nanotechnology, the creation of new nanoparticles consistently feeds back into efforts to design and fabricate macroscopic materials with specific properties. As a two-dimensional (2D) building block materials, graphene has received widespread attention due its exceptional mechanical, electrical, thermal But harnessing these attributes requires developing methods assemble single-atom-thick carbon flakes macroscopically ordered structures. Because melt processing is impossible,...
Highly reductive RGO (reduced graphene oxide)/ZnIn2S4 nanocomposites with a sheet-on-sheet morphology have been prepared via facile one-pot solvothermal method in mixture of N,N-dimethylformamide (DMF) and ethylene glycol (EG) as solvent. A reduction GO (graphene oxide) to the formation ZnIn2S4 nanosheets on highly has simultaneously achieved. The effect solvents final products investigated mechanism was proposed. as-prepared RGO/ZnIn2S4 nanoscomposites were characterized by powder X-ray...
Ag-doped graphene fibers show remarkable electrical conductivity, high current capacity, good mechanical strength and fine flexibility. The integration of these merits promises expanding applications as stretchable conductors, wearable electronics, actual microcables. As a service to our authors readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed may be re-organized for online delivery, but not copy-edited or typeset. Technical...
Abstract Carbon aerogels demonstrate wide applications for their ultralow density, rich porosity, and multifunctionalities. Their compressive elasticity has been achieved by different carbons. However, reversibly high stretchability of neat carbon is still a great challenge owing to extremely dilute brittle interconnections poorly ductile cells. Here we report highly stretchable with retractable 200% elongation through hierarchical synergistic assembly. The buckled structures reinforcement...
Abstract Carbon-based fibres hold promise for preparing multifunctional fabrics with electrical conductivity, thermal permeability, flexibility and lightweight. However, these are of limited performance mainly because the weak interaction between fibres. Here we report non-woven graphene fibre composed randomly oriented interfused strong interfibre bonding. The all-graphene obtained through a wet-fusing assembly approach porous lightweight, showing high in-plane conductivity up to ∼2.8 × 10...
Macroscopic assembled, self-standing graphene and oxide (GO) films have been demonstrated as promising materials in many emerging fields, such Li ion battery electrodes, supercapacitors, heat spreaders, gas separation, water desalination. Such were mainly available on centimeter-scale via the time- energy-consuming vacuum-filtration method, which seriously impedes their progress large-scale applications. Due to incompatibility between ordered assembly structures, it remains a big challenge...
Direct foaming from solids is the most efficient method to fabricate porous materials. However, ideal fails prepare aerogel of nanoparticles because plasticity their denied by overwhelming interface interactions. Here, we invent a hydroplastic directly convert graphene oxide into bulks and microarrays, replacing prevalent freezing method. The water intercalation plasticizes enables direct instead catastrophic fragmentation. bubble formation follows general crystallization rule allows...
Highly thermally conductive carbon fibers (CFs) have become an important material to meet the increasing demand for efficient heat dissipation. To date, high thermal conductivity has been only achieved in specific pitch-based CFs with crystallinity. However, obtaining graphitic crystallinity and beyond pitch-CFs remains a grand challenge. Here, 2D-topology-seeded graphitization method is presented mediate topological incompatibility by seeding 2D graphene oxide (GO) sheets into...