123 Result(s)
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Article
Intermetallic synergy in platinum–cobalt electrocatalysts for selective C–O bond cleavage
Catalysts with tailored structures are crucial to determine the selectivity of chemical reactions. However, the design of catalyst structures for the selective cleavage of hydroxylic C–O(H) bonds while retaini...
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Nickel-iron in the second coordination shell boost single-atomic-site iridium catalysts for high-performance urea electrooxidation
Single-atom catalysts (SACs) with high catalytic activity as well as great stability are demonstrating great promotion in electrocatalytic energy conversion, which is also a big challenge to achieve. Herein, w...
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Article
Open AccessEfficient tandem electroreduction of nitrate into ammonia through coupling Cu single atoms with adjacent Co3O4
The nitrate (NO3−) electroreduction into ammonia (NH3) represents a promising approach for sustainable NH3 synthesis. However, the variation of adsorption configurations renders great difficulties in the simultan...
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Article
Metastable gallium hydride mediates propane dehydrogenation on H2 co-feeding
In heterogeneous catalysis, the catalytic dehydrogenation reactions of hydrocarbons often exhibit a negative pressure dependence on hydrogen due to the competitive chemisorption of hydrocarbons and hydrogen. H...
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Article
An evaluation method for nuclear radiation detection performance of glass scintillator
Glass is a potential choice for the scintillator in Hadronic calorimetry (HCAL) of the CEPC. It requires sophisticated instruments and suitable methods to obtain scintillation properties of the glasses in the ...
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Article
Open AccessCopper nanoparticles encapsulated in zeolitic imidazolate framework-8 as a stable and selective CO2 hydrogenation catalyst
Metal–organic frameworks have drawn attention as potential catalysts owing to their unique tunable surface chemistry and accessibility. However, their application in thermal catalysis has been limited because ...
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Open AccessDynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis
Seawater electrolysis offers a renewable, scalable, and economic means for green hydrogen production. However, anode corrosion by Cl- pose great challenges for its commercialization. Herein, different from conven...
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Sustainable layered cathode with suppressed phase transition for long-life sodium-ion batteries
Sodium-ion batteries are among the most promising alternatives to lithium-based technologies for grid and other energy storage applications due to their cost benefits and sustainable resource supply. For the c...
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Open AccessMicroenvironment reconstitution of highly active Ni single atoms on oxygen-incorporated Mo2C for water splitting
The rational design of efficient bifunctional single-atom electrocatalysts for industrial water splitting and the comprehensive understanding of its complex catalytic mechanisms remain challenging. Here, we re...
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Direct conversion of CO and H2O to hydrocarbons at atmospheric pressure using a TiO2−x/Ni photothermal catalyst
Hydrocarbon fuels can be synthesized from CO and water via Kölbel–Engelhardt synthesis, a thermocatalytic process in which temperatures of ≥200 °C and elevated pressures are typically needed. While light-drive...
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Open AccessEfficient industrial-current-density acetylene to polymer-grade ethylene via hydrogen-localization transfer over fluorine-modified copper
Electrocatalytic acetylene semi-hydrogenation to ethylene powered by renewable electricity represents a sustainable pathway, but the inadequate current density and single-pass yield greatly impedes the product...
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Open AccessDesigning Cu0−Cu+ dual sites for improved C−H bond fracture towards methanol steam reforming
Copper-based catalysts serve as the predominant methanol steam reforming material although several fundamental issues remain ambiguous such as the identity of active center and the aspects of reaction mechanis...
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Article
Open AccessOxygen-Coordinated Single Mn Sites for Efficient Electrocatalytic Nitrate Reduction to Ammonia
Oxygen-coordinated single-atom Mn catalyst was fabricated via introducing oxygen functional groups rich bacterial cellulose as the adsorption regulator thr...
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Article
Colorimetric Detection of Ferulic Acid by Nitrogen–Phosphorus Double-Doped Porous Metalloenzymes
Recently, nanozyme-based sensing platforms have attracted widespread attention due to their excellent performance in practical applications. In this paper, phosphorus-doped porous materials were synthesized by...
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Article
Modulating the valence electronic structure of Co3O4 to improve catalytic activity of electrochemical nitrate-to-ammonia conversion
Electrochemical conversion of NO3− to NH3via the nitrate reduction reaction (NO3−RR) is a promising approach for ammonia production and storage of “green hydrogen”. Co3O4 has shown satisfactory Faradaic efficienc...
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Open AccessBiomimetic single Al-OH site with high acetylcholinesterase-like activity and self-defense ability for neuroprotection
Neurotoxicity of organophosphate compounds (OPs) can catastrophically cause nervous system injury by inhibiting acetylcholinesterase (AChE) expression. Although artificial systems have been developed for indir...
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Open AccessScalable electrosynthesis of commodity chemicals from biomass by suppressing non-Faradaic transformations
Electrooxidation of biomass platforms provides a sustainable route to produce valuable oxygenates, but the practical implementation is hampered by the severe carbon loss stemming from inherent instability of s...
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Article
Efficient electrocatalytic CO2 reduction to C2+ chemicals on internal porous copper
To improve the electrocatalytic conversion of carbon dioxide (CO2) into C2+ products (such as ethylene (C2H4) and ethanol (CH3CH2OH), etc.) is of great importance, but remains challenging. Herein, we proposed a s...
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Article
Peroxidase-like single Fe atoms anchored on Ti3C2Tx MXene as surface enhanced Raman scattering substrate for the simultaneous discrimination of multiple antioxidants
Single-atom nanozymes (SAzymes) are emerging as promising alternatives to mimic natural enzyme, which is due to high atomic utilization efficiency, well-defined geometric, and unique electronic structure. Here...
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Article
Characteristics and source apportionment of water-soluble inorganic ions in atmospheric particles in Lvliang, China
Seasonal atmospheric particulate matter samples with different particle sizes (< 2.5 μm [PM2.5], 2.5–5 μm [PM2.5–5], 5–10 μm [PM5–10], and 10–100 μm [PM10–100]) were collected to analyze the mass concentration an...
