Uniform NiS2 nanocubes are successfully synthesized with a microwave-assisted method. Interestingly, nanocubes, nanospheres and nanoparticles obtained by controlling microwave reaction time. nanomaterials primarily applied to supercapacitors cocatalytic enhancing photocatalytic H2 production. Different morphologies of nanostructures show different electrochemical production activities. Benefited novel nanostructures, nanocube electrodes large specific capacitance (695 F g(-1) at 1.25 A...

BiOBr/NH₂-MIL-125(Ti) composite photocatalysts have been prepared by incorporating NH₂-MIL-125(Ti) with BiOBr and exhibited improved photocatalytic activity under visible light compared to pristine NH₂-MIL-125(Ti).

Nanorods-composed yolk-shell bimetallic-organic frameworks microspheres are successfully synthesized by a one-step solvothermal method in the absence of any template or surfactant. Furthermore, hierarchical double-shelled NiO/ZnO hollow spheres obtained calcination bimetallic organic air. The spheres, as supercapacitor electrodes, exhibit high capacitance 497 F g(-1) at current density 1.3 A and present superior cycling stability. electrochemical performance is believed to come from unique...

Abstract Limited by sluggish reaction kinetics, insufficient electrode utilization and severe volume deformation, designing nickel‐based materials with high capacity rate capability is still a challenge. Herein, carbon nanotubes threaded NiSe 2 /Co 3 Se 4 quantum dots embedded in nanospheres rich vacancies both Co elaborately designed via MOF template method. The formation mechanism of the elucidated for first time, which ascribed to release gas during decomposition organic ligand inhibits...

Metal sulfides, characterized by high crystalline stability and narrowed band gap, are recognized as effective electrode materials for energy storage in alkaline environments. This study enhances the surface activity Co9S8/Ni3S2 hollow nanorod arrays incorporating phosphorus (P) doping. In situ Raman spectroscopy confirms that P doping facilitates rapid reconstruction media, resulting substantial amounts of oxyhydroxides significantly enhance density supercapacitors. The optimized...

NiS₂/ZnS hollow spherical nanocomposites have been successfully synthesized<italic>via</italic>a facile MOF-derived self-sacrificing route, which exhibit high capacitance as promising electrode materials for high-performance supercapacitors.

Porous ZnO–NiO composite micropolyhedrons have been successfully synthesized by calcination of mixed oxalate (Zn0.9Ni0.1(C2O4)2·nH2O) precursors in air. The precursor were a mild chemical precipitation method without any template or surfactant, and found to relatively low decomposition temperature. We explored the application resulting porous as electrochemical capacitors. Electrochemical study shows that obtained composites under different conditions supercapacitor properties 3.0 1.0 M KOH...

A multifunctional metal-organic framework, NBU-3, has been explored as a 2D three-connected network based on naphthalenediimide-based ligand. The NBU-3 crystals display photochromic properties, and thin films FTO substrates exhibit electrochromic properties. is the first example of MOF materials containing both which can be desirable for film devices.

The in situ growth of Bi-based metal–organic framework (MOF) (CAU-17) on BiOBr 2D material was prepared for the first time by using a facile solvothermal transformation approach. applied both as template to support MOF and Bi3+ source MOF. BiOBr/CAU-17-2h composite exhibited enhanced photocatalytic activity degradation Rhodamine B (RhB), methylene blue (MB), methyl orange (MO) under visible light irradiation, suggesting good synergy between CAU-17

A hierarchical NiO/NiMn-LDH nanosheet array on Ni foam was prepared via a facile two-step approach and exhibited high specific capacitance (937 F g-1 at 0.5 g-1) good cycling stability (91% retention after 1000 cycles 5 g-1). The improved electrochemical performance is benefited from the synergistic properties of NiO/LDH composites conductive substrate.

Abstract High volumetric performance is a challenging issue for carbon‐based electrical double‐layer capacitors (EDLCs). Herein, collapsed N,S dual‐doped carbon nanocages (cNS‐CNC) are constructed by simple capillary compression, which eliminates the surplus meso‐ and macropores, leading to much increased density only at slight expense of specific surface area. The dual‐doping induces strong polarity surface, thus improves wettability charge transfer. synergism high density, large...

Lithium-metal anodes suffer from inadequate rate and cycling performances for practical application mainly due to the harmful dendrite growth, especially at high currents. Herein a facile construction of porous robust network with thermally conductive AlN nanowires onto commercial polypropylene separator by convenient vacuum filtration is reported. The so-constructed AlN-network shield provides uniform thermal distribution realize homogeneous Li deposition, super electrolyte-philic channels...

NiSe 2 @Co 9 S 8 and Co 0.85 Se@Co hollow core–shell heterostructures were prepared by electrodeposition demonstrated outstanding areal capacitance values of 12.54 F cm −2 9.61 at mA , respectively.

Abstract Developing multicomponent composite materials with delicate morphology and tailored structure is of vital importance for designing advanced sodium‐ion batteries (SIBs). Herein, a confinement‐structured Fe 2 Mo 3 O 8 @C@MoS local‐expanded interlayer spacing designed via high‐temperature phase transition from FeMoO 4 to the tactically introducing dopamine molecules into MoS nanosheets. By analysis in situ generated solid electrolyte interphase film different electrolytes, favorable...

The development of stable and efficient bifunctional electrocatalysts is utmost importance for overall water splitting. This study introduces Co

Cobalt phosphite (Co11(HPO3)8(OH)6) microarchitectures assembled by ultralong nanoribbons are successfully synthesized a mild hydrothermal condition without any additives. The uniform nanoribbon has width of 100 nm and length 20–30 μm. More importantly, Co11(HPO3)8(OH)6 also applied as an electrochemical supercapacitor with good specific capacitance (312 F g−1 at 1.25 A g−1), rate capability excellent cycling property (maintaining about 89.4% after 3000 cycles).

A hexagonal nanosheet LDH@ZIF-8 composite was fabricated by in situ growth of ZIF-8 on Zn-Al LDH without adding any zinc precursor, and exhibited a CO2 adsorption capacity 1.0 mmol g(-1) at room temperature 1 bar, which significantly higher than that pure or ZIF-8, indicating synergy between LDH.

Binary transition metal sulfides are considered to be a promising material for supercapacitors, possessing richer electrochemically active sites and superior electrochemical performance. Metal-organic frameworks (MOFs) often used as self-sacrificing templates in the preparation of sulfides. Usually, direct sulfidation MOFs tends cause collapse morphological structure blockage ion transport channels, so that morphology original MOF template can well preserved by using pyrolysis followed S2-...

Doping heteroatoms into metal phosphides to modify their electronic structure is an effective method, but the incomplete exposure of active sites its inherent drawback. In this experiment, both Se doping and P vacancies are simultaneously introduced CoP-Fe2P (named CoFe-P-Se) enhance internal reactivity. Benefiting from unique hollow porous derived MOF-on-MOF template, as well enhanced intrinsic activity achieved by defects doping, CoFe-P-Se exhibits a high specific capacitance 8.41 F cm–2...