A5101743270- Dielectric materials and actuators
- Fiber-reinforced polymer composites
- Advanced Sensor and Energy Harvesting Materials
- Graphene research and applications
- Ferroelectric and Piezoelectric Materials
- 2D Materials and Applications
- High voltage insulation and dielectric phenomena
- Thermal properties of materials
- Surface Modification and Superhydrophobicity
- Conducting polymers and applications
- Synthesis and properties of polymers
- Advanced Cellulose Research Studies
- MXene and MAX Phase Materials
- Crystallography and molecular interactions
- Material Properties and Processing
- Electronic and Structural Properties of Oxides
- Electromagnetic wave absorption materials
- Aerogels and thermal insulation
- Epoxy Resin Curing Processes
- Nanowire Synthesis and Applications
- Thermal Radiation and Cooling Technologies
- Fuel Cells and Related Materials
- Advanced Battery Materials and Technologies
- Natural Fiber Reinforced Composites
- Advanced Memory and Neural Computing
North China Electric Power University
2023-2025
Abstract Two-dimensional (2D) layered materials and heterostructures have garnered significant attention for their exploration of uncharted scientific phenomena versatile applications. The customization van der Waals heavily relies on transfer assembly techniques. While traditional dry or wet methods show promise in manipulating 2D heterostructures, challenges such as residues from supporting layers, incomplete substrate etching, embedded bubbles at interfaces, transfer-induced damages like...
Given extremely high porosity, aerogels have demonstrated remarkable advantages in serving as thermal insulation and wave-transparent materials. Unfortunately, their practical applications are greatly confined by inherent fragility. The recent emergence of polymer presents an ideal platform for the development flexible aerogel films. However, additional cross-linking agents necessitated constructing a robust structure, complicating production process. Herein, we report film based on...
Abstract The durability of superhydrophobic coatings has emerged as a pivotal consideration for their practical applications. Conventional methods preparing robust often incorporate chemical binders. However, these binders are susceptible to melting and embrittlement under high temperatures, greatly limiting stable service life, particularly in complex outdoor environments. Herein, the meta-aramid papers treated with modification using surface-embedded spray coating technique. Benefiting...
To optimize the dielectric properties of poly(m-phenylene isophthalamide) (PMIA), nanodiamond (ND) particles are incorporated as doping fillers. However, they often cause issues like uneven dispersion, filler aggregation, interfacial incompatibility, and...
Aramid papers, renowned for their exceptional mechanical properties, insulting capabilities, and thermal stability, are crucial next-generation electrical electronic devices. Among them, poly(m-phenylene isophthalamide) (PMIA) papers exhibit practical potential...
Aromatic polymer films with high glass transition temperatures (Tg) exhibit superior thermal stability, making them ideal for high-temperature dielectric capacitors in advanced electrical and electronic systems. However, the leakage current...
Tailoring the high anisotropic thermal conductivity of polymer dielectrics for enhanced high-temperature breakdown strength with potential capacitive energy storage.
Abstract Although ultrahigh photoconductive gain is achieved in organic semiconductor‐sensitized graphene phototransistors, the response speed limited by photo‐induced carrier injection at organic/graphene interface. In this work, an insulating hexagonal boron nitride layer inserted between heterostructure and to block interfacial transport. Above h ‐BN layer, adopted as light‐absorbing photoresponse of realized through electrical gating atop dielectric accumulated carriers heterostructure....
Poly-(meta-phenylene isophthal-amide) (PMIA) is a high-performance polymer with excellent insulation and thermal stability, making it an ideal material for use in next-generation electric electronic devices. However, its low conductivity limits further applications. In this work, functional graphene high potential properties introduced into the PMIA matrix. The comprehensive performance of composite explored through molecular simulations. Four models hydroxy (-OH), carboxyl (-COOH), amino...
Abstract Asymmetric contact pairs with different work functions provide an efficient method to extract photogenerated carriers in optoelectrical devices. Specifically, vertical devices based on two-dimensional (2D) materials utilize graphene layers as the bottom and top contacts. Whereas additional terminal is required for electrostatic doping either or enlarge built-in electric field. Herein, we present enhanced photovoltaic response a WSe 2 photodetector utilizing asymmetric 2D A graphite...
Newly emerging two-dimensional (2D) Bi2O2Se has received intense research interest due to its unique band structure and ultrafast optical properties. However, the device performance of Bi2O2Se-based photodetectors is far from expectation because undesirable contact issues contaminates fabrication process or high Schottky barrier caused by large work function mismatch. In this work, highly efficient photodetection based on an “all-Bi2O2Se” geometry been demonstrated. By controlling growth...
Abstract Phototransistors based on 2D materials exhibit gate‐voltage‐tunable performance, by which the key device parameters such as photoresponsivity and photoconductive gain could easily surpass photodetectors without photomultiplication effects. with light‐absorption material of Bi 2 O Se are rising due to its desirable properties, small effective electron mass, high carrier mobility, ultrafast intrinsic non‐equilibrium recombination. The in‐plane growth is prevailing mica substrate,...
The poly(m-phenylene isophthalamide) (PMIA) paper has attracted extensive interests due to its ultrahigh mechanical properties as an ideal protective material for anti-impact damage applications. In the pursuit of additional properties, composites based on PMIA matrix and various fillers are widely explored. However, improvements frequently obtained at expense because serious interfacial compatibility brought by different components. this study, a self-reinforced doping strategy is proposed...
Owning superior dielectric and mechanical properties, aramid nanofiber (ANF) is an ideal encapsulation material for next-generation electric electronic devices. However, its intrinsic thermal conductivity extremely low. Herein, a 'rigid soft' architecture designed established synergistically improving strength of ANF-based composite films. Because unique protonation techniques, the as-prepared ANF matrix has honeycomb-like structure, where numerous holes air pockets are generated. To...
Abstract Aramid nanofiber (ANF)‐based composites have drawn tremendous interest in high‐voltage electrical systems due to their superior insulation strength, thermal stability, and mechanical endurance. However, the filler agglomeration interface compatibility retarded further improvement of dielectric performance. Herein, nano‐titanium dioxide (TiO 2 ) particles treated by aminopropyl triethoxysilane (APTES) serve as inorganic fillers, which are doped ANF prepare composite nano‐paper via...