A5021679611- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Advanced Photocatalysis Techniques
- Supercapacitor Materials and Fabrication
- 2D Materials and Applications
- Crystallization and Solubility Studies
- Advanced battery technologies research
- Graphene research and applications
- Crystal Structures and Properties
- Perovskite Materials and Applications
- Chalcogenide Semiconductor Thin Films
- Iron-based superconductors research
- Quantum Dots Synthesis And Properties
- Electrocatalysts for Energy Conversion
- MXene and MAX Phase Materials
- X-ray Diffraction in Crystallography
- Luminescence Properties of Advanced Materials
- TiO2 Photocatalysis and Solar Cells
- Copper-based nanomaterials and applications
- Inorganic Chemistry and Materials
- Advanced Condensed Matter Physics
- Solid-state spectroscopy and crystallography
- Advanced Battery Technologies Research
- Topological Materials and Phenomena
- Catalytic Processes in Materials Science
Shanghai Institute of Ceramics
2016-2025
Chinese Academy of Sciences
2016-2025
Shanghai Jiao Tong University
2023-2025
State Key Laboratory of High Performance Ceramics and Superfine Microstructure
2008-2025
Metal Matrix Cast Composites (United States)
2025
Shanghai Advanced Research Institute
2023-2025
Peking University
2015-2024
State Key Laboratory of Rare Earth Materials Chemistry and Application
2015-2024
Yangtze River Pharmaceutical Group (China)
2024
Institute of New Materials
2023-2024
Abstract Black TiO 2 attracts enormous attention due to its large solar absorption and induced excellent photocatalytic activity. Herein, a new approach assisted by hydrogen plasma synthesize unique H‐doped black titania with core/shell structure (TiO @TiO 2‐ x H ) is presented, superior the high ‐pressure process (under 20 bar for five days). The possesses largest (≈83%), far more than any other reported (the record (high‐pressure): ≈30%). doping favorable eliminate recombination centers of...
Abstract Well‐crystallized Nb‐doped anatase TiO 2 nanoparticles are prepared by a novel synthetic route and successfully used as the photoanode of dye‐sensitized solar cells (DSSCs). The homogenous distribution Nb in lattice is confirmed scanning transmission electron microscopy (STEM) elemental mapping line‐scanning analyses. After doping, conductivity powder increases, its flat‐band potential ( V fb ) has positive shift. energy‐conversion efficiency cell based on 5.0 mol% significantly...
Modification of rutile titanium dioxide (TiO2) for hydrogen generation and water cleaning is a grand challenge due to the chemical inertness rutile, while such desired merit its stability in photoelectrochemical applications. Herein, we report an innovative two-step method prepare core-shell nanostructured S-doped TiO2 (R'-TiO2-S). This modified black sample exhibits remarkably enhanced absorption visible near-infrared regions efficient charge separation transport. As result, unique sulfide...
Nonmetal-doped black titania is achieved in a core–shell structure by two-step synthesis. The nonmetal dopants amorphous TiO2−x shells decrease e–h recombination centers, and more than 6.6 at.% N further improves solar energy absorption from 65% up to 85%. photocatalytic H2 generation of the N-doped 15.0 mmol h−1 g−1 under 100 mW cm−2 full-sunlight 200 μmol 90 visible-light irradiation, superior reported photocatalysis.
Black titania nanotube arrays are prepared for the first time, which exhibit an excellent photoelectrochemical water-splitting performance.
Solar desalination driven by solar radiation as heat source is freely available, however, hindered low efficiency. Herein, we first design and synthesize black titania with a unique nanocage structure simultaneously light trapping effect to enhance harvesting, well-crystallized interconnected nanograins accelerate the transfer from water opening mesopores (4–10 nm) facilitate permeation of vapor. Furthermore, coated self-floating nanocages film localizes temperature increase at water–air...
Chalcopyritelike quaternary chalcogenides, Cu2ZnSnQ4 (Q=S,Se), were investigated as an alternative class of wide-band-gap p-type thermoelectric materials. Their distorted diamondlike structure and compositions are beneficial to lowering lattice thermal conductivities. Meanwhile, partial substitution Cu for Zn creates more charge carriers conducting pathways via the CuQ4 network, enhancing electrical conductivity. The power factor figure merit (ZT) increase with temperature, making these...
Abstract The use of formic acid (FA) to produce molecular H 2 is a promising means efficient energy storage in fuel‐cell‐based hydrogen economy. To date, there has been lack heterogeneous catalyst systems that are sufficiently active, selective, and stable for clean production by FA decomposition at room temperature. For the first time, we report flexible pyridinic‐N‐doped carbon hybrids as support materials can significantly boost efficiency palladium nanoparticle generation; this due...
Abstract A novel architecture of 3D graphene growth on porous Al 2 O 3 ceramics is proposed for thermal management using ambient pressure chemical vapor deposition. The formation mechanism attributed to the carbothermic reduction occurring at surface initialize nucleation and graphene. films are coated insulating anodic aluminum oxide (AAO) templates ceramic substrates. AAO possesses one‐dimensional isolated tubes, which can act as media directional transport. graphene/Al composite (G‐Al )...
Vertically aligned Ni(OH)2 and NiO single-crystalline nanoplatelet arrays were directly grown on the fluorine-doped tin oxide (FTO) substrate by a simple hydrothermal method. The effects of parameters morphology crystal structure nanoarray film investigated. Controlling ammonia persulfate concentrations was key to controlling film. experimental results showed that array promising candidate for supercapacitor electrode. It exhibited high specific capacitance, prompt charge/discharge rate,...
A new composite structure of graphene–sulfur with a high electrochemical performance is proposed. Scotch-tape-like sulfur-assisted exfoliation graphite developed to produce the composites and freestanding low-defect graphene sheets. The intimate interaction between sulfur graphene, attributed similar electronegativities two elements, stronger than van der Waals forces adjacent π–π stacked layers. This causes cleavage layers when molecules stick surface edges graphite, Scotch tape in...
A combination of <italic>in situ</italic> polymerization and a solution process was adopted to prepare PANI/graphene nanocomposites with large thermoelectric power factor.
SnO 2 ‐based lithium‐ion batteries have low cost and high energy density, but their capacity fades rapidly during lithiation/delithiation due to phase aggregation cracking. These problems can be mitigated by using highly conducting black 2− x , which homogenizes the redox reactions stabilizes fine, fracture‐resistant Sn precipitates in Li O matrix. Such fine ample contact with proliferate reversible → /SnO cycle charging/discharging. electrode has a of 1340 mAh g −1 retains 590 after 100...
3D architectures constructed from a tubular graphene network can withstand repeated >95% compression cycling without damage. Aided by intertubular covalent bonding, this material takes full advantage of the tube's unique attributes, including complete pre- and post-buckling elasticity, outstanding electrical conductivity, extraordinary physicochemical stability. A highly connected will thus be ultimate, structurally robust, ultrastrong, ultralight material.
Abstract Recent advances in solar water splitting by using BiVO 4 as a photoanode have greatly optimized charge carrier and reaction dynamics, but relatively wide bandgap poor photostability are still bottlenecks. Here, an excellent of black @amorphous TiO 2− x to tackle both problems is reported. Its applied bias photon‐to‐current efficiency for up 2.5%, which new record single oxide photon absorber. This unique core–shell structure fabricated coating amorphous 2 on nanoporous with the aid...
The direct growth of high-quality, large single-crystalline domains graphene on a dielectric substrate is vital importance for applications in electronics and optoelectronics. Traditionally, grown dielectrics are typically only ~1 μm with rate nm min(-1) or less, the main reason lack catalyst. Here we show that silane, serving as gaseous catalyst, able to boost min(-1), thereby promoting up 20 size be synthesized via chemical vapour deposition (CVD) hexagonal boron nitride (h-BN). Hall...
The possibility of superconductivity in tetragonal FeS has attracted considerable interest because its similarities to the FeSe superconductor. However, all efforts made pursue have failed so far, and it remains controversial whether is metallic or semiconducting. Here we report observation at 5 K that synthesized by hydrothermal reaction iron powder with sulfide solution. obtained samples are highly crystalline less air-sensitive, contrast those reported literature, which meta-stable...
Supercapacitors suffer either from low capacitance for carbon or derivate electrodes poor electrical conductivity and electrochemical stability metal oxide conducting polymer electrodes. Transition nitrides possess fair but superior chemical stability, which may be desirable candidates supercapacitors. Herein, niobium nitride, Nb 4 N 5 , is explored to an excellent capacitive material the first time. An areal of 225.8 mF cm −2 with a reasonable rate capability (60.8% retention 0.5 10 mA )...
Alkaline water electrolysis is commercially desirable to realize large-scale hydrogen production. Although nonprecious catalysts exhibit high electrocatalytic activity at low current density (10-50 mA cm-2 ), it still challenging achieve industrially required over 500 due inefficient electron transport and competitive adsorption between hydroxyl water. Herein, the authors design a novel metallic heterostructure based on nickel nitride monoclinic molybdenum disulfide (Ni3 N@2M-MoS2 ) for...