Large-scale arrayed ZnO crystals with a series of novel morphologies, including tower-like, flower-like, and tube-like samples, have been successfully fabricated by simple aqueous solution route. The morphology orientation the obtained crystal arrays can be conveniently tailored changing reactants experimental conditions. For example, tower-like were in reaction system zinc salt, ammonia, ammonium thiourea, these could controlled contents reactants. Flower-like at lower temperatures,...

The first luminescent two-dimensional MOF nanosheets <bold>NTU-9-NS</bold> Ti₂(HDOBDC)₂(H₂DOBDC) (H₂DOBDC = 2,5-dihydroxyterephthalic acid) fabricated <italic>via</italic> top-down delamination have been realized for the highly sensitive sensing of Fe³⁺ with a fast response.

The separation of C

Abstract Aqueous polysulfide/iodide redox flow batteries are attractive for scalable energy storage due to their high density and low cost. However, efficiency power usually limited by poor electrochemical kinetics of the reactions ions on graphite electrodes, which has become main obstacle practical applications. Here, CoS 2 /CoS heterojunction nanoparticles with uneven charge distribution, synthesized in situ felt a one-step solvothermal process, can significantly boost electrocatalytic...

Ag2O/Bi2O2CO3 p-n heterojunctions are prepared with commercial Bi2O2CO3 as precursor via a simple photosynthesis process. The obtained show higher photocatalytic activity than that of pure n-Bi2O2CO3, and the (AB-4) heterojunction exhibits best under visible light (λ > 400 nm), which Rhodamine B, methyl blue orange can be completely degraded within 12 min. Photoluminescent spectra photoelectrochemical measurement further indicate greatly enhance charge generation suppress recombination...

CoNi₂S₄/graphene nanocomposite electrodes exhibit excellent pseudocapacitance behavior enhanced by synergistic effect, demonstrating the nanocomposite's promise as an electrode material for high-performance supercapacitors.

Novel Bi2S3/Bi2O2CO3 heterojunction photocatalysts were prepared by a simple chemical reaction from commercial Bi2O2CO3. The photocatalytic activities of evaluated degrading Rhodamine B (RhB) under visible light and sunlight irradiation. Further investigation revealed that the content loading bismuth sulfide (Bi2S3) had important effects on activity heterojunctions, 5 mol% photocatalyst exhibited best (30 min light, λ > 400 nm). high could be attributed to its good absorption, facilitated...

Abstract Adsorptive separation of propylene/propane (C 3 H 6 /C 8 ) mixture is desired for its potential energy saving on replacing currently deployed and energy‐intensive cryogenic distillation. Realizing efficient C in the emerging hydrogen‐bonded organic frameworks (HOFs) very challenging owing to lack functional sites preferential gas binding. By virtue crystal engineering, we herein report a functionalized HOF ( HOF‐16 with free ‐COOH mixtures. Under ambient conditions, shows...

Polychrome silver nanoparticles have been prepared by a soft solution approach under microwave irradiation from of nitrate (AgNO3) in the presence poly(N-vinyl-2-pyrrolidone) without any other reducing agent. Different morphologies colloids with charming colors could be obtained using different solvents as reaction medium. The structures were determined X-ray powder diffraction. UV-Vis spectroscopy was used to follow process and characterize optical properties resultant colloids. influence...

On the basis of Kirkendall Effect, high symmetric 18-facet polyhedral nanocrystals Cu7S4 with a hollow nanocage could be converted from cubic Cu2O in an aqueous media. The presence organic additives makes surface energy {110} smaller than those {100} and {111}. growth along normal direction highest leads to formation polyhedron.

A high-efficiency Bi2O2CO3 photocatalyst was successfully synthesized using tri-sodium citrate as both the coordinating agent and carbon source through a hydrothermal process. Morphology modulation of obtained products could be easily realized by tuning concentration in sponge-like, rose-like plate-like shapes. The as-prepared sponge-like microspheres, owning narrowed band gap 2.87 eV higher BET surface area 43.99 m2 g−1, exhibit powerful visible-light-photocatalytic activity for degradation...

Hybrid asymmetric supercapacitors based on Ni_0.85Se nanosheet arrays and activated carbon show remarkable energy-storage characteristics promising applicable value.

Abstract Single‐crystalline, hexagonal covellite (CuS) nanoplatelets were successfully synthesized through a facile, inexpensive, reproducible, and improved solvothermal process in toluene at 120 °C for 24 h with hexadecylamine as capping agent copper acetate carbon disulfide precursors. These are about 26±1.5 nm diameter 8±1.2 thick, have tendency to self‐assemble into pillarlike nanostructures face‐to‐face stacks, raftlike side‐by‐side arrays, stratiform layer‐by‐layer self‐assembly. The...

Facile and direct synthesis of porous nanorod-type graphitic carbon nitride/CuO composite (CuO-g-C3 N4 ) has been achieved by using a Cu-melamine supramolecular framework as precursor. The CuO-g-C3 nanocomposite demonstrated improved visible-light-driven photocatalytic activities. results indicate that metal-melamine frameworks can be promising precursors for the preparation efficient g-C3 photocatalysts.

A one-step solvothermal process is developed to synthesize novel CoNi2S4 nanoparticles. When applied as electrode materials of supercapacitors, nanoparticles with lower cost production exhibit better electrochemical performances, i.e.: higher specific capacitance, rate capability, and energy density which make it a promising candidate material for next generation supercapacitors.

MnFe(2)O(4)-graphene nanocomposites (MnFe(2)O(4)-GNSs) with enhanced electrochemical performances have been successfully prepared through an ultrasonic method, e.g., approximate 1017 mA h g(-1) and 767 reversible capacities are retained even after 90 cycles at a current density of 0.1 A 1 g(-1), respectively. The remarkable improvement in the capacity, cyclic stability rate capability obtained MnFe(2)O(4)-GNSs can be attributed to good electrical conductivity special structure graphene...

B-Doped pSi exhibits an exceptionally high initial coulombic efficiency of 89% and shows outstanding cycling performance (reversible capacity 1500 mA h g⁻¹ at 2 A after 300 cycles).

An optimal small amount of water added into methyl ammonium iodide (MAI) solution in isopropyl alcohol (IPA) helps perovskite crystallization and leads to larger grain size from sequential deposition films. The concentration was varied 1% 7% (vol% IPA) MAI optical absorption, crystallization, morphology films their photovoltaic performance were studied solar cells. 5% by volume found lead preferential the (110) plane with about three times that prepared without adding solution. led average...

Two-dimensional (2D) semiconducting nanosheets have emerged as an important field of materials, owing to their unique properties and potential applications in areas ranging from electronics catalysis. However, the controlled synthesis ultrathin 2D remains a great challenge, due lack intrinsic driving force for anisotropic growth. High-quality FeSe2 with average thickness below 7 nm been synthesized on large scale by facile solution method, formation mechanism has proposed. Due favorable...