A5038674674- Advanced ceramic materials synthesis
- Supercapacitor Materials and Fabrication
- Aerogels and thermal insulation
- MXene and MAX Phase Materials
- Photonic and Optical Devices
- Advanced Fiber Optic Sensors
- Advanced Fiber Laser Technologies
- Photonic Crystal and Fiber Optics
- Nuclear materials and radiation effects
- Diamond and Carbon-based Materials Research
- Advanced materials and composites
- Aluminum Alloys Composites Properties
- Electrospun Nanofibers in Biomedical Applications
- Semiconductor Quantum Structures and Devices
- Semiconductor Lasers and Optical Devices
- Electromagnetic wave absorption materials
- Semiconductor materials and devices
- Advanced Sensor and Energy Harvesting Materials
- Advancements in Battery Materials
- Advanced Antenna and Metasurface Technologies
- Bone Tissue Engineering Materials
- Electrocatalysts for Energy Conversion
- High-Temperature Coating Behaviors
- Glass properties and applications
- Metal and Thin Film Mechanics
Qingdao University of Technology
2024-2025
Anhui Polytechnic University
2020-2024
Xi'an Jiaotong University
2015-2024
Qingdao University of Science and Technology
2024
Affiliated Hospital of Hebei University
2024
Hebei University
2024
Harbin Institute of Technology
2015-2024
Beijing Municipal Ecological and Environmental Monitoring Center
2024
Ocean University of China
2023
Chery Automobile (China)
2023
Abstract High-entropy ceramics (HECs) are solid solutions of inorganic compounds with one or more Wyckoff sites shared by equal near-equal atomic ratios multi-principal elements. Although in the infant stage, emerging this new family materials has brought opportunities for material design and property tailoring. Distinct from metals, diversity crystal structure electronic provides huge space properties tuning through band engineering phonon engineering. Aside strengthening, hardening, low...
Ultralight ceramic aerogels with the property combination of recoverable compressibility and excellent high-temperature stability are attractive for use in harsh environments. However, conventional usually constructed by oxide nanoparticles, their practical applications have always been limited brittle nature ceramics volume shrinkage at high temperature. Silicon carbide (SiC) nanowire offers integrated properties elasticity flexibility one-dimensional (1D) nanomaterials superior thermal...
With the prevailing energy challenges and rapid development of aerospace engineering, high-performance thermal insulators with various functions are attracting more attention. Ceramic aerogels promising candidates for to be applied in harsh environments because their low conductivity simultaneously excellent chemical stabilities. In general, effective properties this class materials depend on both microstructures intrinsic building blocks. Herein, enrich family broaden application fields...
Lightweight electromagnetic (EM) wave absorbers made of ceramics have sparked tremendous interest for applications in EM interference protection at high temperatures. However, absorption by pure still faces huge challenges due to the lack efficient attenuation modes. Inspired energy dissipation mechanism during fracture lobster shells with a soft and stiff multilayered structure, we fabricate high-performance ceramic aerogel composed an alternating transparent Si3N4 (N) layer SiC (C) simple...
Resilient ceramic aerogels are emerging as a fascinating material that features light weight, low thermal conductivity, and recoverable compressibility, promising widespread prospects in the fields of heat insulation, catalysis, filtration, aerospace exploration. However, construction resilient with rational designed multiscale architectures aiming for tunable physical mechanical performances remains major challenge. Here, 3D constructed SiC nanowire possessing programmed geometries...
Ceramic aerogels are highly efficient, lightweight, and chemically stable thermal insulation materials but their application is hindered by brittleness low strength. Flexible nanostructure-assembled compressible have been developed to overcome the they still show strength, leading insufficient load-bearing capacity. Here we designed fabricated a laminated SiC-SiOx nanowire aerogel that exhibits reversible compressibility, recoverable buckling deformation, ductile tensile simultaneous high...
SiC ceramics are attractive electromagnetic (EM) absorption materials for the application in harsh environment because of their low density, good dielectric tunable performance, and chemical stability. However, performance current SiC-based to absorb EM wave is generally unsatisfactory due poor impedance matching. Herein, we report ultralight SiC/Si<sub>3</sub>N<sub>4</sub> composite aerogels (~15 mg·cm<sup>−3</sup>) consisting numerous interweaving nanowires Si<sub>3</sub>N<sub>4</sub>...
Carbon aerogels are elastic, mechanically robust and fatigue resistant known for their promising applications in the fields of soft robotics, pressure sensors etc. However, these generally fragile and/or easily deformable, which limits applications. Here, we report a synthesis strategy fabricating highly compressible fatigue-resistant by assembling interconnected carbon tubes. The tube demonstrate near-zero Poisson's ratio, exhibit maximum strength over 20 MPa completely recoverable strain...
Ceramic aerogels are attractive candidates for high-temperature thermal insulation, catalysis support, and ultrafiltration materials, but their practical applications usually limited by brittleness. Recently, reversible compressibility has been realized in flexible nanostructures-based ceramic aerogels. However, these modified still show fast brittle fracture under tension. Herein, we demonstrate achieving stretch crack insensitivity a highly compressible aerogel through engineering its...
With the booming of modern information technology, electromagnetic wave (EMW) absorption materials are playing more and crucial roles in applications ranging from wearable smart electronics to national defense security. However, application present EMW is severely hindered by their drawbacks, such as narrow bandwidth low intensity. In this work, a series highly porous well-interconnected SiC@C nanowire foams (SCNFs) rationally designed exhibit modified impedance match multiscale energy...
Resilient ceramic aerogels exhibit great potential for applications in harsh environments owing to their unique combination of ultrahigh porosity, lightweight, reversible compressibility, and good thermal chemical stabilities. However, are severely restricted by the limited size low yield due complicated time-consuming synthetic procedures. Herein, we developed an efficient method large-scale production resilient SiC nanowire (SiC NWAGs) with tunable densities desired shapes. The...
Abstract The SiC/Al 4 SiC composites with the improved mechanical properties and thermal conductivity were fabricated by in-situ reaction of polycarbosilane (PCS) Al powders using spark plasma sintering. addition 5 wt% yttrium (Y) sintering additive was useful to obtain fully dense samples after at a relatively low temperature 1650 °C, due formation liquid phase during average particle size formed ~300 nm. fracture toughness (4.9 MP·m 1/2 ), Vickers hardness (16.3 GPa), (15.8 W/(m·K))...
In this Letter, the broadband operation in wavelengths from 520 nm to 980 is demonstrated on silicon nitride nanophotonic phased arrays. The widest beam steering angle of 65° a array achieved. optical radiation efficiency main grating lobe broad wavelength range measured and analyzed theoretically. spots radiated chip are studied at different lasers. excited by supercontinuum laser source for wide first time best our knowledge. It paves way tune visible near infrared
MoS2 has emerged as a good application prospect in the electrocatalytic hydrogen evolution reaction (HER). Nevertheless, catalytic activity of is greatly restricted by its inferior electrical conductivity, inadequate exposure active edge sites, and sluggish water dissociation dynamics. Herein, 1D/2D heteronanostructure composed SiC nanowires wrapped with nanosheets was prepared via hydrothermal synthesis on highly connected (SiCnw). The nanocomposites exhibit an emerging tectorum-like...