A5016726353- Perovskite Materials and Applications
- Electrocatalysts for Energy Conversion
- 2D Materials and Applications
- Quantum Dots Synthesis And Properties
- Fuel Cells and Related Materials
- Advanced battery technologies research
- Catalytic Processes in Materials Science
- CO2 Reduction Techniques and Catalysts
- Advanced Memory and Neural Computing
- Advanced Thermoelectric Materials and Devices
- MXene and MAX Phase Materials
- Organic Light-Emitting Diodes Research
- Chalcogenide Semiconductor Thin Films
- Surface Modification and Superhydrophobicity
- Catalysis and Oxidation Reactions
- Electronic and Structural Properties of Oxides
- Organic and Molecular Conductors Research
- Aerogels and thermal insulation
- Advanced Electron Microscopy Techniques and Applications
- Adsorption and Cooling Systems
- nanoparticles nucleation surface interactions
- Supercapacitor Materials and Fabrication
- Semiconductor materials and interfaces
- Iron-based superconductors research
- Advancements in Battery Materials
Hefei National Center for Physical Sciences at Nanoscale
2021-2025
University of Science and Technology of China
2021-2025
National Synchrotron Radiation Laboratory
2024-2025
Collaborative Innovation Center of Chemistry for Energy Materials
2022-2024
The relative natural abundance of potassium and potentially high energy density has established potassium-ion batteries as a promising technology for future large-scale global storage. However, the anodes' low capacity discharge platform lead to density, which impedes their rapid development. Herein, we present possible co-activation mechanism between bismuth (Bi) tin (Sn) that enhances K-ion storage in battery anodes. co-activated Bi-Sn anode delivered 634 mAh g
Developing efficient bifunctional materials is highly desirable for overall proton membrane water splitting. However, the design of iridium with high acidic splitting activity and durability, as well an in-depth understanding catalytic mechanism, challenging. Herein, we successfully developed subnanoporous Ir3Ni ultrathin nanocages crystallinity The shell enables NCs optimized exposure active sites. Importantly, nickel incorporation contributes to favorable thermodynamics electrocatalysis...
Electrolysis of carbon dioxide (CO2) in acid offers a promising route to overcome CO2 loss alkaline and neutral electrolytes, but requires concentrated alkali cations (typical ≥3 M) mitigate the trade‐off between low pH high hydrogen evolution reaction (HER) rate, causing salt precipitation. Here we report strategy resolve this problem by introducing tensile strain copper (Cu) catalyst, which can selectively reduce valuable multicarbon products, particularly ethylene, 1 electrolyte with M...
Solution-processable all-inorganic CsPbI3-xBrx perovskite holds great potential for pure red light-emitting diodes. However, the widely existing defects in this mixed halide markedly limit efficiency and stability of present diode devices. We here identify that intragrain Ruddlesden-Popper planar are primary forms such thin film owing to lattice strain caused by inhomogeneous halogen ion distribution. To eliminate these defects, we develop a stepwise metastable phase crystallization strategy...
Structure engineering strategies such as core-shell and hollow nanostructures are effective pathways to improve the utilization of noble metals for catalysis. However, nowadays materials design based on these still largely rely precious metal templates. Herein, epitaxial growth highly crystalline Pt3 Ni overlayer earth-abundant nickel carbide is reported, forming Ni3 C@Pt3 nanoparticles with a well-defined interface through new lattice-match-directed synthetic strategy. Derived from...
Abstract Pt‐based fuel cell catalysts with excellent activity and stability for proton‐exchange membrane cells (PEMFCs) have been developed through strain regulation in recent years. Herein, this work demonstrates that symmetry‐induced of Pt surface PtGa intermetallic compounds can greatly enhance the catalytic performance oxygen reduction reaction (ORR). With environment varies derived from lattice mismatch analogous core but different symmetry, alloy 3 Ga (Pm m) precisely realize 0.58%...
Intermetallic compounds (IMCs) with ordered atomic structure have gained great attention as nanocatalysts for its enhanced activity and stability. Although the reliance of IMC preparation on high-temperature annealing is well known, a comprehensive understanding formation mechanisms IMCs in this process currently lacking. Here, we employ aberration-corrected high-angle annular dark-field scanning transmission electron microscopy (AC-HAADF-STEM) to track carbon supports during in-situ...
Layered inorganic material, with large-area interlayer surface and interface, provides an essential material platform for constructing new configuration of functional materials. Herein, a layered pillared nanoclusters realizing high temperature thermal insulation performance is demonstrated the first time. Specifically, systematic synchrotron radiation spectroscopy finite element calculation analysis show that ZrOx served as "pillars" to effectively produce porous structures enough boundary...
The kinetics and pathway of most catalyzed reactions depend on the existence interface, which makes precise construction highly active single-atom sites at reaction interface a desirable goal. Herein, we propose thermal printing strategy that not only arranges metal atoms silica carbon layer but also stabilizes them by strong coordination. Just like typesetting Chinese characters paper, this method relies controlled migration movable nanoparticles between two contact substrates simultaneous...
Abstract Breaking the thermal, mechanical and lightweight performance limit of aerogels has pivotal significance on thermal protection, new energy utilization, high‐temperature catalysis, structural engineering, physics, but is severely limited by serious discrete characteristics between grain boundary nano‐units interfaces. Herein, a thermodynamically driven surface reaction confined crystallization process reported to synthesize centimeter‐scale supercontinuous ZrO 2 nanolayer ‐SiO fiber...
Excitonic insulators are long-sought-after quantum materials predicted to spontaneously open a gap by the Bose condensation of bound electron-hole pairs, namely, excitons, in their ground state. Since theoretical conjecture, extensive efforts have been devoted pursuing excitonic insulator platforms for exploring macroscopic phenomena real materials. Reliable evidence character has obtained layered chalcogenides as promising candidates. However, owing interference intrinsic lattice...
Mixed halide 3D perovskites are promising for bright, efficient, and wide-color gamut light-emitting diodes (LEDs) due to their excellent carrier transport, high luminescence, easily tunable bandgaps. However, serious ion migration inside mixed perovskite results in poor operational spectral stability of the as-fabricated LEDs. Here, a hetero-nucleation crystallization strategy is reported grow [111]-orientation preferred CsPbI
Electrolysis of carbon dioxide (CO2) in acid offers a promising route to overcome CO2 loss alkaline and neutral electrolytes, but requires concentrated alkali cations (typical ≥3 M) mitigate the trade‐off between low pH high hydrogen evolution reaction (HER) rate, causing salt precipitation. Here we report strategy resolve this problem by introducing tensile strain copper (Cu) catalyst, which can selectively reduce valuable multicarbon products, particularly ethylene, 1 electrolyte with M...
Propane dehydrogenation (PDH) using platinum-based intermetallic catalysts is an important approach for the industrial production of highly value-added propylene. Nevertheless, high temperature needed PDH inevitably causes deactivation due to phase separation or particle aggregation. Herein, we showcase that a Pt shell offers promising solution protect intermetallics under harsh environments. Through selective removal surface Zn atoms, core/shell architecture with 1–2 atomic layers coating...
Abstract Heterostructures and superlattices composed of layered transition metal dichalcogenides (TMDs), celebrated for their superior emergent properties over individual components, offer significant promise the development multifunctional electronic devices. However, conventional fabrication techniques these structures depend on layer-by-layer artificial construction are hindered by complexity inefficiency. Herein, we introduce a universal strategy automated synthesis TMD superlattice...