Modified UiO‐66 and Its Applications in Environmental and Energy Fields

Chinese Journal of Chemistry, Год журнала: 2025, Номер unknown

Опубликована: Март 25, 2025

Comprehensive Summary UiO‐66, a prototypical and stable zirconium‐based metal‐organic framework (MOF), consists of zirconium‐oxide clusters (Zr 6 O 4 (OH) ) benzene‐1,4‐dicarboxylate (BDC) organic linkers. It exhibits abundant active sites, high specific surface area, tunable pore structure, exceptional chemical thermal stability, making it highly advantageous for various practical applications. The integration functional components within UiO‐66 has been shown to optimize its electronic properties coordination environment, thereby enhancing multifunctionality catalytic performance. This review highlights the analysis structural characteristics explores modification strategies such as introduction linkers, selection metal nodes, defect engineering, doping with external components, discusses applications in environmental remediation energy‐related fields. Key Scientists

Язык: Английский

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Intelligent synthesis of nano Prussian blue analogue based hybrids for high performance in lithium-ion batteries

Science China Chemistry, Год журнала: 2025, Номер unknown

Опубликована: Март 24, 2025

Язык: Английский

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Two-Dimensional Layered MXene-Supported NiS₂ Composite Electrode Material for High-Performance Supercapacitors

Energy & Fuels, Год журнала: 2025, Номер unknown

Опубликована: Апрель 7, 2025

Язык: Английский

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Thermodynamically‐Driven Phase Engineering and Reconstruction Deduction of Medium‐Entropy Prussian Blue Analogue Nanocrystals

Advanced Materials, Год журнала: 2025, Номер unknown

Опубликована: Апрель 14, 2025

Abstract Prussian blue analogs (PBAs) are exemplary precursors for the synthesis of a diverse array derivatives.Yet, intricate mechanisms underlying phase transitions in these multifaceted frameworks remain formidable challenge. In this study, machine learning‐guided analysis medium‐entropy PBA system is delineated, utilizing an descriptors that encompass crystallographic phases, structural subtleties, and fluctuations multimetal valence states. By integrating multimodal simulations with experimental validation, thermodynamics‐driven transformation model established accurately predicted critical parameters. A constellation advanced techniques—including atomic force microscopy coupled Kelvin probe individual nanoparticles, X‐ray absorption spectroscopy, operando ultraviolet‐visible situ diffraction, theoretical calculations, multiphysics simulations—substantiated iron oxide@NiCoZnFe‐PBA exhibits both exceptional stability remarkable electrochemical activity. This investigation provides profound insights into transition dynamics polymetallic complexes propels rational design other thermally‐induced derivatives.

Язык: Английский

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Nano/Micro Metal‐Organic Framework‐Derived Porous Carbon with Rich Nitrogen Sites as Efficient Iodine Hosts for Aqueous Zinc‐Iodine Batteries

Advanced Science, Год журнала: 2025, Номер unknown

Опубликована: Апрель 15, 2025

Nowadays, the low cost, superior safety, and long durability of aqueous zinc-iodine (Zn-I2) batteries have garnered significant interest. Nevertheless, their practical use is limited by inferior conductivity iodine shuttle effect, resulting in suboptimal electrochemical behavior. In this work, a nano/micro zinc-based metal-organic framework (Zn-MOF) featuring cubic morphology employed for obtaining porous nitrogen-doped carbon (NC), which reported as cathode host Zn-I2 batteries. Thanks to its architecture high NC, optimized S3-1000 material achieves loading enables rapid electron/ion transport. More importantly, adsorption experiments combined with density functional theory (DFT) calculations reveal that graphitic-N pyridine-N moieties within matrix synergistically serve active anchoring sites species, suppress polyiodide effects accelerate redox kinetics during conversion. As result, I2@S3-1000 highest specific capacity cycle stability over 10,000 cycles, while in-situ characterization analysis confirms reversible mechanism. Soft pack battery prototype flexible micro-battery based on are also fabricated show excellent flexibility. This study promotes development MOF-derived cathodes advanced

Язык: Английский

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Exosome‐Functionalized Self‐Carrier Enzyme‐Like/Drug With Triple Amplified Anti‐Oxidative Stress for Synergistic Depression Therapy

Small, Год журнала: 2025, Номер unknown

Опубликована: Апрель 22, 2025

Abstract Depression, a severe disorder affecting both physical and mental health, is commonly treated with first‐line antidepressants, which often exhibit limited efficacy due to poor penetration of the blood‐brain barrier (BBB) significant side effects, thus requiring exploitation biocompatible effective treatments. Recent studies suggest that depression closely linked an imbalance in oxidative stress subsequent inflammatory responses. Antioxidant therapies targeting are therefore emerging as promising strategies. In this study, exosome‐functionalized geniposide (GEN) self‐carried Prussian blue (PB) nanotherapeutic approach fabricated realize efficient BBB for synergistic therapy. The porous PB carrier possesses multi‐enzyme capabilities, can effectively scavenge accumulated ROS, protecting slightly acidic environment released GEN from oxidation, subsequently works simultaneously activate Nrf2‐ARE pathway, enhancing body's defense mechanisms synergistically. triple‐amplified anti‐oxidant strategy nanomaterial shown mitigate microglial activation reduction neuroplasticity, ultimately alleviating pathological markers depression. Overall, constructed nanomaterials underscore therapeutic potential anti‐oxidative removal ROS pathway treatment

Язык: Английский

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MOF‐Based Electrocatalysts for Water Electrolysis, Energy Storage, and Sensing: Progress and Insights

The Chemical Record, Год журнала: 2025, Номер unknown

Опубликована: Апрель 24, 2025

Abstract Metal‐organic frameworks (MOFs) and their derivatives have shown broad application prospects in fields such as water electrolysis, electrochemical energy storage, sensing due to high specific surface area, tunable structures, abundant active sites. This article provides a comprehensive overview of our research group′s recent advancements developing MOF‐based electrocatalysts for Oxygen Evolution Reaction (OER) Urea Oxidation (UOR) at anodes, well Hydrogen (HER) cathodes during electrolysis. Furthermore, we integrated these catalysts into practical applications, including metal‐air batteries, lithium‐sulfur non‐enzymatic glucose sensors. To further demonstrate the innovative contributions work, systematically compare it with advanced work by other groups. Based on findings performance benchmarking analyses, identify critical challenges that must be addressed advance MOFs‐based toward next‐generation conversion sensing.

Язык: Английский

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Achievements and Challenges in Carbon‐Free Dual‐Atom Catalysts for Electrocatalysis

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Апрель 25, 2025

Abstract Carbon‐free dual‐atom catalysts (CFDACs) are beginning to make their presence in the field of electrocatalysis due unique properties and structures that different from those carbon‐based DACs, which endowed with activity, selectivity, stability. Currently, some advances made study CFDACs, including structure‐performance relationships metal‐support interaction, theoretical combined experiments, electrocatalytic applications potential catalytic mechanisms, design strategies achieve highly active performance. Herein, perception CFDACs is first elaborated terms carbon‐free substrates sites, then briefly summarizes advanced characterization techniques, study, energy storage conversion applications, highlights realize high‐performance vacancy anchoring, strain regulation, alloying, finally put forward personal viewpoints on current challenges future development CFDACs.

Язык: Английский

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Multifunctional nitrogen doped carbon nanotube-encapsulated defect-rich cobalt-iron oxide catalyst for efficient water electrolysis and and dye removal from water

Journal of Industrial and Engineering Chemistry, Год журнала: 2025, Номер unknown

Опубликована: Апрель 1, 2025

Язык: Английский

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Superhydrophilic V‐Doped CoP Nanoparticles@Cu₃P Nanotubes with Vacancy and Interface Engineering for Synergistically Enhanced Electrocatalytic Overall Water Splitting

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Апрель 29, 2025

Abstract Synergistically optimizing electronic structure and exposing abundant active sites to significantly improve performance of transition metal‐based electrocatalysts is an urgent necessity remains a significant challenge. Herein, hybrid nanotubes array rich P‐vacancy V‐CoP@Cu 3 P in situ grown on copper foam (V ‐V‐CoP@Cu HNTAs/CF) fabricated for overall water splitting. The combined experimental theoretical calculations reveal that V doping‐induced vacancies lead the formation local electric field within V‐CoP heterojunction‐induced built‐in field, which can jointly accelerate electron transfer charge separation, thereby enhancing reaction kinetics. Moreover, nanotube not only increase electrochemical surface area offer superior mass transfer, but also possess superhydrophilic nature utilization efficiency electrode surfaces. Due these advantages, HNTAs/CF provide distinguished HER OER activity, by employing as bifunctional electrocatalysts, splitting device delivered current density 10 mA cm −2 at low voltage 1.46 maintained its activity without decay 200 h 1 m KOH electrolyte.

Язык: Английский

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