Strong absorption of silica over full solar spectrum boosted by interfacial junctions and light–heat–storage of Mg(OH)2–(CrOx–SiO2)

Chemical Engineering Journal, Год журнала: 2024, Номер 497, С. 154979 - 154979

Опубликована: Авг. 23, 2024

Язык: Английский

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Surface oxygen vacancy engineering of Cr-doped FeNi3/NiFe2O4 Mott-Schottky heterojunction as efficient electrocatalyst for high current density water oxidation

Journal of Alloys and Compounds, Год журнала: 2024, Номер 977, С. 173393 - 173393

Опубликована: Янв. 4, 2024

Язык: Английский

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Recent Progress and Future Outlook on Catalysts for Ammonia Electrosynthesis: Materials, Structural Design, and Reaction Efficiency

Energy & Fuels, Год журнала: 2025, Номер unknown

Опубликована: Янв. 9, 2025

With the increasing demand for downstream ammonia products, research on fuel has received growing attention. Therefore, under "dual carbon" context, it is crucial to develop an energy-efficient and environmentally friendly method synthesis. Current indicates that electrocatalytic synthesis one of most promising methods. This study systematically summarizes three major factors influencing nitrogen reduction reaction (eNRR) catalysts synthesis: material optimization, structural design, engineering. In terms materials, precious-metal-based, non-precious-metal-based, metal-free eNRR are classified listed. By examination properties catalytic effects various metals non-metals in synthesis, materials with highest activity can be further identified. To enhance efficiency, strategies, such as vacancy creation, doping, interface engineering, facet changes size morphology active sites, have been summarized. integration reactions, including microscale activation, proton transfer, electron efficiency was discussed depth. Finally, urgent issues need addressed current were discussed, unique insights future development provided. review aims provide innovative ideas design improve rate selectivity catalysts.

Язык: Английский

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Recent Progress on Copper‐Based Bimetallic Heterojunction Catalysts for CO₂ Electrocatalysis: Unlocking the Mystery of Product Selectivity

Advanced Science, Год журнала: 2024, Номер 11(24)

Опубликована: Апрель 18, 2024

Abstract Copper‐based bimetallic heterojunction catalysts facilitate the deep electrochemical reduction of CO 2 (eCO RR) to produce high‐value‐added organic compounds, which hold significant promise. Understanding influence copper interactions with other metals on adsorption strength various intermediates is crucial as it directly impacts reaction selectivity. In this review, an overview formation mechanism catalytic products in eCO RR provided and highlight uniqueness copper‐based catalysts. By considering different metals' tendencies toward intermediates, are classified, including copper, into four categories. The significance advantages constructing then discussed delve research findings current development status types Finally, insights offered design strategies for future high‐performance electrocatalysts, aiming contribute multi‐carbon fuels high

Язык: Английский

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Metal oxide/chalcogenide/hydroxide catalysts for water electrolysis

International Journal of Hydrogen Energy, Год журнала: 2024, Номер unknown

Опубликована: Окт. 1, 2024

Язык: Английский

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Co₉S₈/CoTe₂ n‐n Type Heterojunction: A Heterogenic Interfacial Integration of Co₉S₈ and CoTe₂ Phases for Energy‐Efficient Hydrazine Oxidation Assisted Hydrogen Production

Small, Год журнала: 2025, Номер unknown

Опубликована: Янв. 26, 2025

Abstract Controlled and optimized heterogenic interfacial coupling is the key to enhance electrochemical performance. Herein, for first time, telluride‐based Co 9 S 8 /CoTe 2 heterostructure reported as a bifunctional catalyst energy‐efficient H generation. Detailed investigations suggest that leads superior performance of heterostructure. Furthermore, it displays excellent hydrazine oxidation reaction (HzOR) at industrial‐level current density (500 mA cm −2 @ 338 mV) using an electrochemically neutral carbon paper substrate. The overall electrooxidation‐assisted water splitting (OHzWS) cell couple 10 0.22 V, which 1.60 V less than conventional splitting. Band energy profiles reveal n‐n type heterojunction formation between CoTe phases. work function difference phases results in impulsive electron flow from phase creation built‐in electric field. This prompts kinetics HzOR hydrogen evolution (HER) by enabling faster charge transport interface. DFT supports experimental findings, Gibbs's free profile studies indicate interface favorable compared .

Язык: Английский

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One-pot synthesis of surfactant-intercalated tin (IV) disulfide nanosheets heterojuncted with bismuth (III) sulfide needles for efficient conversion carbon dioxide into formate

Journal of Colloid and Interface Science, Год журнала: 2025, Номер 687, С. 36 - 47

Опубликована: Фев. 7, 2025

Язык: Английский

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Interface and doping engineering of V₂C‐MXene‐based electrocatalysts for enhanced electrocatalysis of overall water splitting

Carbon Energy, Год журнала: 2024, Номер 6(10)

Опубликована: Окт. 1, 2024

Abstract The restacking and oxidizable nature of vanadium‐based carbon/nitride (V 2 C‐MXene) poses a significant challenge. Herein, tellurium (Te)‐doped V C/V O 3 electrocatalyst is constructed via mild H oxidation calcination treatments. Especially, this work rationally exploits the inherent easy characteristic associated with MXene to alter interfacial information, thereby obtaining stable self‐generated heterointerfaces. Meanwhile, microetching effect creates numerous pores address issues. Besides, Te element doping settles issue awkward levels absorption/desorption ability intermediates. obtains an unparalleled hydrogen evolution reaction oxygen overpotential 83.5 279.8 mV at −10 10 mA cm −2 , respectively. In addition, overall water‐splitting device demonstrates low cell voltage 1.41 obtain . Overall, drawbacks can be turned into benefits based on planning strategy create these electrocatalysts desirable kinetics.

Язык: Английский

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Unveiling The Multifunction of Beaded Stream‐Like Co₉Se₈ Catalysts for Water Splitting, Reactive Oxygen Species Scavenging, and Hydrogen Anti‐Inflammation

Advanced Energy Materials, Год журнала: 2024, Номер 14(9)

Опубликована: Янв. 28, 2024

Abstract The electrocatalytic preparation of hydrogen at different pH values not only achieves excellent device performance but also promotes the application reactive oxygen species (ROS) clearance and anti‐inflammation. However, it is difficult to develop materials that simultaneously achieve these properties. Herein, beaded necklace‐like Co 9 Se 8 microspheres using a general facile synthetic strategy reported. ‐modified electrode has three applications: efficient water splitting for enhanced performance, ROS scavenging, anti‐inflammatory activity. Experiments, high‐angle‐annular‐dark‐field scanning transmission electron microscopy, density functional theory calculations indicate reconstructed Co(OH) 2 plays vital role in evolution reaction transition from *O *OOH actual rate‐determining step. material, with its unique structure, exhibits exceptional production capabilities phosphate buffer solution (pH 7.4). In particular, produce under neutral conditions can effectively reduce levels significantly inhibit inflammation‐related pathological processes, playing antioxidant cellular level. obtained results as‐synthesized more suitable splitting, applications, outperforming other metal electrodes rendering practical industrial clinical applications.

Язык: Английский

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Harnessing 3D Printing for Tailored TiO₂ Structures Redefining Organic Pollutant Degradation

Journal of environmental chemical engineering, Год журнала: 2025, Номер unknown, С. 116042 - 116042

Опубликована: Март 1, 2025

Язык: Английский

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