A5042237658- Advanced Photocatalysis Techniques
- Advancements in Battery Materials
- Electrocatalysts for Energy Conversion
- Gas Sensing Nanomaterials and Sensors
- ZnO doping and properties
- Ammonia Synthesis and Nitrogen Reduction
- Supercapacitor Materials and Fabrication
- Advanced battery technologies research
- Copper-based nanomaterials and applications
- Hydrogen Storage and Materials
- Electromagnetic wave absorption materials
- Methane Hydrates and Related Phenomena
- Advanced Battery Materials and Technologies
- Nanomaterials for catalytic reactions
- CO2 Sequestration and Geologic Interactions
- Graphene research and applications
- Analytical Chemistry and Sensors
- MXene and MAX Phase Materials
- Advanced Antenna and Metasurface Technologies
- Transition Metal Oxide Nanomaterials
- Catalytic Processes in Materials Science
- Hydrocarbon exploration and reservoir analysis
- Extraction and Separation Processes
- Quantum Dots Synthesis And Properties
- Metamaterials and Metasurfaces Applications
Hangzhou Normal University
2017-2025
Harbin Engineering University
2012-2025
Wenzhou Medical University
2025
Dalian University of Technology
2010-2024
Hubei University of Technology
2024
Nanjing Forestry University
2024
Hefei University of Technology
2024
University of Shanghai for Science and Technology
2023
Beijing University of Chinese Medicine
2023
Hangzhou Academy of Agricultural Sciences
2018
The porous Fe3O4/carbon core/shell nanorods were fabricated via a three-step process. α-Fe2O3 first obtained, and α-Fe2O3/carbon subsequently using glucose as carbon source by hydrothermal method, in which the thickness of coating was about 3.5 nm. synthesized after an annealing treatment product above under mixture Ar/H2 flow. After H2 deoxidation process, Fe3O4 core exhibited character porosity; shell decreased to 2.5 nm, its degree graphitization enhanced. interesting nanostructures are...
This paper presents for the first time a successful synthesis of quaternary nanocomposites consisting graphene, Fe3O4@Fe core/shell nanopariticles, and ZnO nanoparticles. Transmission electron microscopy measurements show that diameter nanoparitcles is about 18 nm, Fe3O4 shell's thickness 5 nanoparticles in range 2–10 nm. The measured electromagnetic parameters absorption bandwidth with reflection loss less than −20 dB up to 7.3 GHz, band more 99% wave energy attenuated. Moreover, addition...
Porous Fe3O4/SnO2 core/shell nanorods are successfully fabricated, in which the width and length of pores 5−10 10−60 nm, respectively. We prepared 80 wt % porous nanorod-wax composites order to measure their electromagnetic parameters. The measured results indicate that effective complementarities between dielectric loss magnetic realized over 2−18 GHz frequency range, suggesting have excellent wave absorption properties. reflection was calculated terms transmit-line theory. range under −20...
In this study, we have developed, for the first time, a facile in situ growth process to prepare hierarchical three-dimensional (3D) composite composed of graphene layers with layered double hydroxide (LDH) nanosheet arrays grown on both sides. The fabrication involves coating AlOOH colloids onto surfaces and subsequent NiAl–LDH sheets via hydrothermal process. It is found that grow perpendicularly uniformly sides sheets, constructing 3D nanocomposite an interesting sandwich structure. This...
Fe3O4/ZnO core/shell nanorods are successfully fabricated by combing an inorganic-phase reaction with a hydrogen annealing process. The transmission electron microscopy analysis indicates that the diameter and length of 25−80 0.35−1.2 μm, respectively. Electromagnetic properties nanorod−wax composites investigated. permittivity shows four dielectric resonant peaks in 2−18 GHz, which can be explained line theory. behavior mainly results from interface polarization induced special structures,...
Graphene (G)–Fe3O4 nanohybrids were fabricated by first depositing β-FeOOH crystals with diameter of 3–5 nm on the surface graphene sheets. After annealing under Ar flow, nanocrystals reduced to Fe3O4 nanoparticles sheets, and thus G–Fe3O4 obtained. The a about 25 uniformly dispersed over Moreover, compared other magnetic materials graphene, exhibited significantly increased electromagnetic absorption properties owing high areas, interfacial polarizations, good separation nanoparticles....
We developed a new strategy, i.e., seed-assisted method, to fabricate three-dimensional (3D) SiO2@Fe3O4 core/shell nanorod array/graphene architecture. The fabrication processes involved deposition of β-FeOOH seeds on the graphene surfaces in ferric nitrate aqueous solution, subsequent growth arrays chloride solution under hydrothermal conditions, SiO2 coating nanorods, and final formation 3D architecture by thermal treatment process. Scanning electron microscopy transmission measurements...
To narrow the band gap (3.2 eV) of TiO2 and extend its practical applicability under sunlight, doping with nonmetal elements has been used to tune electronic structure. However, also brings new recombination centers among photoinduced charge carriers, which results in a quantum efficiency loss accordingly. It proved that {101} facets anatase are beneficial generating transmitting more reductive electrons promote H2-evolution photoreduction reaction, {001} exhibit higher photoreactivity...
Chemical C-N coupling from CO2 and NO3-, driven by renewable electricity, toward urea synthesis is an appealing alternative for Bosch-Meiser production. However, the unmatched kinetics in NO3- reduction reactions complexity of C- N-species involved co-reduction render challenge coupling, leading to low yield rate Faradaic efficiency. Here, we report a single-atom copper-alloyed Pd catalyst (Pd4Cu1) that can achieve highly efficient electrosynthesis. The regulated matched steering Cu doping...
The electrochemical reduction of nitrate ions to valuable ammonia enables the recovery pollutants from industrial wastewater, thereby synchronously balancing nitrogen cycle and achieving NH3 production. However, currently reported electrocatalysts still suffer low yield rate, Faradaic inefficiency, partial current density. Herein, a strategy based on regulation d-band center by Ru doping is presented boost Theoretical calculations unravel that dopant in Ni metal–organic framework shifts...
Abstract The direct coupling of nitrate ions and carbon dioxide for urea synthesis presents an appealing alternative to the Bosch–Meiser process in industry. simultaneous activation nitrate, however, as well efficient C−N on single active site, poses significant challenges. Here, we propose a novel metal/hydroxide heterostructure strategy based synthesizing Ag−CuNi(OH) 2 composite cascade reduction reactions electrosynthesis. strongly coupled interface integrates two distinct sites...
3D hierarchical MoS<sub>2</sub>nanoflake array/carbon cloth is synthesized with a thickness of MoS<sub>2</sub>nanoflakes <15 nm. A full Li battery based on the exhibits good electrochemical performance and high flexibility.
Hierarchical nanosheet-based NiMoO<sub>4</sub> nanotubes with a high surface area of 128.5 m<sup>2</sup> g<sup>−1</sup>, composed highly ordered ultrathin nanosheets thickness less than 10 nm, were synthesized by hydrothermal treatment and subsequent <italic>in situ</italic> diffusion reaction method, exhibiting excellent electrochemical performances.
Porous Fe3O4/Fe/SiO2 core/shell nanorods were fabricated, in which the diameter of pores was 5–30 nm. The magnetic and electromagnetic properties investigated. temperature dependent measurements showed that these ferromagnetic with a Verwey 129 K. data indicated effective complementarities between dielectric loss realized, suggesting they have excellent wave absorption properties. Thus porous could be used as kind candidate absorber.
Charged up: Three-dimensional architectures constructed from graphene/MoS2 nanoflake arrays have been successfully fabricated by a one-step hydrothermal method. MoS2 nanoflakes with thicknesses less than 13 nm grow vertically on both sides of graphene sheets (see figure), which allows the to be more stable during charging and discharging. Even at high current density 8000 mA g(-1), their discharge capacity is still up 516 h g(-1).
In this work, a microwave welding method has been used for the construction of chemical Ni-C bonding at interface between carbon nanotubes (CNTs) and metal Ni to provide different surface electron distribution, which determined electromagnetic (EM) wave absorption properties based on plasmon resonance mechanism. Through serial detailed examinations, such as X-ray diffraction, scanning microscopy, transmission high-resolution photoelectron spectroscopy, Raman spectrum, as-expected CNTs...
Pd-decorated BiOCl ultrathin nanosheets exhibited improved photocatalysis for the selective oxidation of aromatic alcohols due to remarkable interfacial synergism.
Abstract A facile strategy has been adopted for the preparation of ZnFe 2 O 4 /NRG composite by anchoring ultrasmall nanoparticles on nitrogen-doped reduced graphene (denoted as NRG) high-performance supercapacitor electrode. Remarkably, growth nanocrystals, reduction graphitic oxide and doping nitrogen to have simultaneously achieved in one process. It is found that NRG employed substrate can not only control formation nano-sized , but also guarantee high dispersion without any...
A novel sandwich-structured rGO/Ni<sub>0.83</sub>Co<sub>0.17</sub>Al-LDH hybrid composite exhibits high supercapacitor performance, with a specific capacitance of 1902 F g<sup>−1</sup> at 1 g<sup>−1</sup>, and excellent cycling stability.
Nanostructured MoS2 is very promising as an electrocatalyst for hydrogen evolution due to a greater number of active edge sites. However, large resistance between basal planes decreases the overall efficiency evolution, and greatly limits its application in industry. Herein we develop facile strategy synergistically increase sites conductivity MoS2. nanosheet arrays can be grown vertically on carbon fiber cloth (CFC) substrates by strategy. On one hand, ammonium fluoride reaction system...