ZIF-8 metal–organic frameworks and their hybrid materials: emerging photocatalysts for energy and environmental applications

Dalton Transactions, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

In the face of escalating environmental challenges such as fossil fuel dependence and water pollution, innovative solutions are essential for sustainable development. this regard, zeolitic imidazolate frameworks (ZIFs), specifically ZIF-8, act promising photocatalysts remediation renewable energy applications. a subclass metal-organic (MOFs), is renowned its large specific surface area, high porosity, rapid electron transfer ability, abundant functionalities, ease designing, controllable properties, remarkable chemical thermal stability. However, application standalone photocatalyst limited by issues particle aggregation, poor stability, insufficient visible light absorption. By integrating ZIF-8 with various photoactive materials to form composite catalysts, these drawbacks can be mitigated, leading enhanced photocatalytic efficiency. The review discusses synthesis, applications ZIF-8-based in light-driven H2 evolution, H2O2 CO2 reduction, dye drug degradation. It also highlights future research directions developing cost-effective, scalable, environmentally friendly composites industrial potential contribute global cleanup significant, yet further exploration required harness their capabilities thoroughly.

Язык: Английский

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Dual electron transfer path and LSPR photothermal enhancement in BiOCl@ZnIn₂S₄ heterojunction for enhanced photocatalytic H₂ evolution, H₂O₂ production and tetracycline removal

Inorganic Chemistry Frontiers, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

The well-designed catalyst structure can significantly enhance the efficiency of photocatalytic H 2 , O and degradation TC. This study offers novel insights into constructing a visible photothermal assisted reaction system.

Язык: Английский

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Ultrafast Charge Transfer on Ru‐Cu Atomic Units for Enhanced Photocatalytic H₂O₂ Production

Advanced Materials, Год журнала: 2025, Номер unknown

Опубликована: Фев. 18, 2025

Abstract Photosensitizer‐assisted photocatalytic systems offer a solution to overcome the limitations of inherent light harvesting capabilities in catalysts. However, achieving efficient charge transfer between dissociative photosensitizer and catalyst poses significant challenge. Incorporating photosensitive components into reactive centers establish well‐defined channels is expected effectively address this issue. Herein, electrostatic‐driven self‐assembly method utilized integrate photosensitizers metal–organic frameworks, constructing atomically Ru‐Cu bi‐functional units promote local electron migration. Within newly constructed system, [Ru(bpy) 2 ] 2+ component Cu site serve as catalytic active for photocarrier generation H O production, respectively, their integration significantly reduces barriers transfer. Ultrafast spectroscopy situ characterization unveil accelerated directional over units, presenting orders magnitude improvement systems. As result, 37.2‐fold enhancement rate (570.9 µmol g −1 h ) that system (15.3 achieved. This work presents promising strategy integrating atomic‐scale achieve ultrafast enhanced performance.

Язык: Английский

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A biomass-modified carbon nitride composite electrode for photoelectrocatalytic enhancement of overall water splitting

International Journal of Hydrogen Energy, Год журнала: 2025, Номер 117, С. 24 - 38

Опубликована: Март 14, 2025

Язык: Английский

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Novel electrocatalytic platform based on graphitic carbon nitride-MoS2 embellished 3D graphene ternary hybrid for enhanced quantification of neurotransmitter serotonin

Materials Research Bulletin, Год журнала: 2025, Номер 185, С. 113296 - 113296

Опубликована: Янв. 4, 2025

Язык: Английский

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One‐Step Synthesis of CdS/S‐Doped G‐C₃N₄ Composite Catalyst with Promoted Photocatalytic Hydrogen Peroxide Production Ability

ChemistrySelect, Год журнала: 2025, Номер 10(2)

Опубликована: Янв. 1, 2025

Abstract H 2 O is recognized as one of the most significant chemicals, with extensive applications across various fields. This study presents in situ synthesis CdS/S‐doped g‐C 3 N 4 composite photocatalysts (CdS/CNS) via a simple one‐step thermal polymerization method by using thiourea and cadmium nitrate precursors. The synthesized materials were characterized XRD, adsorption, UV–vis, XPS, TEM, ESR, EIS, PL analysis. Experimental results have indicated that production rate on CdS/CNS photocatalyst was 4.2 times higher than single CNS under visible light illumination, well commendable catalytic stability. formed photocatalytic system effectively reduced recombination photo‐generated electron‐hole pairs, promoted response range light, enhanced specific surface area catalyst. A preliminary discussion potential reaction mechanisms also provided.

Язык: Английский

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Photothermal‐Catalyzed Hydrogen Peroxide Production Enabled by Gold‐Organic Frameworks

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Янв. 20, 2025

Abstract Gold catalysts are extensively utilized in photothermal processes that rely on localized surface plasmon resonance effects. However, the development of novel gold(I)‐organic frameworks function as highly efficient for production hydrogen peroxide from water and oxygen presents a fascinating challenging research opportunity. Herein, three gold(I) cyclic trinuclear complexes (Au‐CTCs) based metal–organic (MOFs) prepared, exhibiting good conversion efficiency H 2 O evolution rates. Utilizing optimized Au‐TFPT, rates H₂O₂ can reach high 51,987 µ m g⁻¹ h⁻¹, surpassing performance most reported (MOFs), even with use sacrificial agents to accelerate reaction. The thermal‐assisted photocatalytic mechanism is comprehensively studied by transient photocurrent response, electrochemical impedance, electron paramagnetic resonance, rotating ring disk electrode test, catalytic among others, demonstrating thermal energy enhance mobility photogenerated carriers apparent quantum yield, regulate reactive species ratio selectivity, reduce activation photocatalysis, improve mass transfer rates, thereby accelerating reaction process. This study offers new insights into .

Язык: Английский

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Organic Photocatalysts for Wastewater Decontamination

Journal of Photochemistry and Photobiology C Photochemistry Reviews, Год журнала: 2025, Номер unknown, С. 100689 - 100689

Опубликована: Янв. 1, 2025

Язык: Английский

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Effect of Amino Acids on Supramolecular Assembly-derived Carbon Nitride with Enhanced Photocatalytic Hydrogen Evolution

Journal of Alloys and Compounds, Год журнала: 2025, Номер unknown, С. 179290 - 179290

Опубликована: Фев. 1, 2025

Язык: Английский

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Femtosecond transient absorption spectroscopy investigation on ultrafast electron transfer in S-scheme ZnO/CdIn2S4 photocatalyst for H2O2 production and benzylamine oxidation

Acta Physico-Chimica Sinica, Год журнала: 2025, Номер 41(6), С. 100064 - 100064

Опубликована: Фев. 19, 2025

Язык: Английский

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