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ISSN: 2772-834X

Understanding melt pool characteristics in laser powder bed fusion: An overview of single- and multi-track melt pools for process optimization

Laser powder bed fusion (LPBF) has made significant progress in producing solid and porous metal parts with complex shapes and geometries. However, LPBF produced parts often have defects (e.g., porosity,...

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Synthesis and modification strategies of g-C3N4 nanosheets for photocatalytic applications

Graphitic carbon nitride nanosheets (CNNs) become the most promising member in the carbon nitride family benefitted from their two-dimensional structural features. Recently, great endeavors have been...

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A review on additive/subtractive hybrid manufacturing of directed energy deposition (DED) process

Additive manufacturing (AM) processes are reliable techniques to build highly complex metallic parts. Direct energy deposition (DED) is one of the most common technologies to 3D print metal alloys....

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Advancements in perovskites for solar cell commercialization: A review

The efficiency of perovskite solar cells (PSCs) has progressed rapidly, exceeding 26% for single-junction devices and surpassing 34% in perovskite-silicon tandem configurations, establishing PSCs as...

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A comprehensive review on catalysts for seawater electrolysis

Seawater electrolysis is a sustainable energy conversion technology that generates clean energy by splitting seawater into hydrogen and oxygen. However, the catalysts used in seawater electrolysis often...

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Advances in powder nano-photocatalysts as pollutant removal and as emerging contaminants in water: Analysis of pros and cons on health and environment

Photocatalysis is an advanced oxidation process where light exposure triggers a semiconducting nanomaterial (nano-photocatalyst) to generate electron-hole (e−/h+) pairs and free radicals. This phenomenon...

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High temperature molten salts mediated deep regeneration and recrystallization of ternary nickle-rich cathodes

Within the framework of carbon neutrality, lithium-ion batteries (LIBs) are progressively booming along with the growing utilization of green and clean energy. However, the extensive application of...

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Superb impact resistance of nano-precipitation-strengthened high-entropy alloys

Critical engineering applications, such as landing gears and armor protection, require structural materials withstanding high strength and significant plastic deformation. Nanoprecipitate-strengthened...

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Rapid synthesis of carbon quantum dot-integrated metal–organic framework nanosheets via electron beam irradiation for selective 5-hydroxymethylfurfural electrooxidation

Balancing the adsorption of OH⁻ and 5-hydroxymethylfurfural (HMF) is crucial in optimizing the competing HMF oxidation reaction and oxygen evolution reaction, especially given the polymerization tendency...

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Structure-tailored superlattice Bi7Ti4NbO21: Coupling octahedral tilting and rotation induced high ferroelectric polarization for efficient piezo-photocatalytic CO2 reduction

Intergrowth ferroelectric semiconductors with excellent spontaneous polarization field are highly promising piezo-photocatalytic candidate materials. In addition, developing structural design and revealing...

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Atmosphere engineering of metal-free Te/C3N4 p-n heterojunction for nearly 100% photocatalytic converting CO2 to CO

Carbon nitride (CN)-based heterojunction photocatalysts hold promise for efficient carbon dioxide (CO2) reduction. However, suboptimal production yields and limited selectivity in CO2 conversion pose...

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Copper indium sulfide colloidal quantum dots: Advances in synthesis, structure-optoelectronic properties, and applications

The discovery of quantum dots (QDs) stands as one of the paramount technological breakthroughs of the 20th century. Their versatility spans from everyday applications to cutting-edge scientific research,...

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Recent progress in aqueous zinc-ion batteries based on conversion-type cathodes

Developing advanced secondary batteries with low cost and high safety has attracted increasing research interests across the world. In particular, the aqueous zinc-ion battery (AZIB) has been regarded...

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Recent advances in single- and dual-atom catalysts for efficient nitrogen electro-reduction and their perspectives

Electrochemical nitrogen reduction reaction (ENRR) is emerging as a favorable option to the power-intensive Haber-Bosch process for ammonia synthesis. However, obstacles such as poor selectivity, low...

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Stereoisomeric engineering mediated zinc metal electrodeposition: Critical balance of solvation and adsorption capability

The exceptional electrochemical performance of zinc anodes is frequently impeded by inadequate deposition kinetics and interfacial chemistry. Herein, we introduce the stereoisomerism to inform the balanced...

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Dual electric fields in Ni-CdS@Ni(OH)2 heterojunction: A synergistic spatial charge separation approach for enhanced coupled CO2 photoreduction and selective toluene oxidation

Simultaneously inducing dual built-in electric fields (EFs) both within a single component and at the heterojunction interface creates a dual-driving force that is crucial for promoting spatial charge...

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Design of titanium alloys by additive manufacturing: A critical review

Additive manufacturing (AM) is an innovative technology that creates objects with a complex geometry layer-by-layer, and it has rapidly prospered in manufacturing metallic parts for structural and functional...

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Frustrated lewis pairs regulated solid polymer electrolyte enables ultralong cycles of lithium metal batteries

Long-cycling dendrite-free solid-state lithium metal batteries (LMBs) require fast and uniform lithium-ion (Li+) transport of solid-state electrolytes (SSEs). However, the SSEs still face the problems...

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Recent developments in synthesis, properties, and applications of 2D Janus MoSSe and MoSexS(1-x) alloys

The Janus MoSSe and alloy MoSxSe(1-x), belonging to the family of two-dimensional (2D) transition metal dichalcogenides (TMDs), have gained significant attention for their potential applications in...

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Tailored Csf/HfC0.76N0.24 composites for superior ablation resistance at 3000°C

Ultra-high temperature materials are desirable to withstand the severe aero-thermochemical environments of hypersonic flight, paving the groundworks for flight speeds exceeding Mach 5. Here, we present...

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Advances in electrocatalytic urea synthesis: From fundamentals to applications

The electrocatalytic synthesis of urea (ESU) is a green and sustainable alternative to conventional production methods, and the related research is still in its infancy. Up to now, the field has been...

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Oxygen vacancy mediated bismuth-based photocatalysts

Sunlight-driven photocatalysis, which can produce clean fuels and mitigate environmental pollution, has received extensive research attention due to its potential for addressing both energy shortages...

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Cu-based bimetallic electrocatalysts for CO2 reduction

The extensive consumption of fossil fuels has caused the rapid increase in the CO2 level in the atmosphere, forcing people to find a clean and efficient technology of CO2 conversion to alleviate CO2...

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Chemically bonded BiVO4/Bi19Cl3S27 heterojunction with fast hole extraction dynamics for continuous CO2 photoreduction

Surface charge localization and inferior charge transfer efficiency seriously restrict the supply of reactive hydrogen and the reaction dynamics of CO2 photoreduction performance of photocatalysts....

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A review of Ni based powder catalyst for urea oxidation in assisting water splitting reaction

Water splitting has been regarded as a sustainable and environmentally-friendly technique to realize green hydrogen generation, while more energy is consumed due to the high overpotentials required...

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