Strategies for enhancing the catalytic activity and electronic conductivity of MOFs-based electrocatalysts

Coordination Chemistry Reviews, Год журнала: 2022, Номер 478, С. 214969 - 214969

Опубликована: Дек. 14, 2022

Язык: Английский

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Recent Progress of Diatomic Catalysts: General Design Fundamentals and Diversified Catalytic Applications

Small, Год журнала: 2022, Номер 18(46)

Опубликована: Сен. 23, 2022

Abstract In recent years, some experiments and theoretical work have pointed out that diatomic catalysts not only retain the advantages of monoatomic catalysts, but also introduce a variety interactions, which exceed limit catalytic performance can be applied to many fields. Here, interaction between adjacent metal atoms in is elaborated: synergistic effect, spacing enhancement effect (geometric effect), electronic effect. With regard classification characterization various new are classified into four categories: heteronuclear/homonuclear, with/without carbon carriers, their measures introduced explained detail. aspect preparation widely used atomic layer deposition method, metal–organic framework derivative simple ball milling method introduced, with emphasis on formation mechanism catalysts. Finally, effective control strategies key applications electrocatalysis, photocatalysis, thermal catalysis, other fields given.

Язык: Английский

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Coupling NiSe₂ Nanoparticles with N-Doped Porous Carbon Enables Efficient and Durable Electrocatalytic Hydrogen Evolution Reaction at pH Values Ranging from 0 to 14

ACS Applied Nano Materials, Год журнала: 2023, Номер 7(1), С. 1138 - 1145

Опубликована: Дек. 20, 2023

Integrating metal-based species with a carbon matrix is promising approach for fabricating inexpensive, durable, and efficient electrocatalysts. Herein, NiSe2-decorated N-doped polyhedra (NC) are prepared as electrocatalysts hydrogen evolution reaction (HER) by template-assisted approach. The optimal NC-NiSe2 delivers extraordinary catalytic activities toward HER in wide pH range, overpotentials of 127 mV 0.5 M H2SO4, 226 1 PBS, 205 KOH to drive current density 10 mA cm–2. In addition, this catalyst undergoes fast kinetics via Volmer–Heyrovsky mechanism exhibits excelent long-term durability 48 h the full media. During electrocatalysis, when electrons pass through NC surface NiSe2 particles, water molecules at active sites reduced, then released. excellent activity mainly benefit from hierarchically porous architecture well synergistic interaction nanoparticles matrix, which not only significantly boost electronic conductivity generate plentiful but also guarantee chemical structural stabilities species. This work unravels deep insights into exploration carbon-supported metal chalcogenides highly full-pH values.

Язык: Английский

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Composite materials based on covalent organic frameworks for multiple advanced applications

Exploration, Год журнала: 2023, Номер 3(3)

Опубликована: Май 23, 2023

Covalent organic frameworks (COFs) stand for a class of emerging crystalline porous materials, which are ingeniously constructed with units through strong covalent bonds. Their excellent design capabilities, and uniform tunable pore structure make them potential materials various applications. With the continuous development synthesis technique nanoscience, COFs have been successfully combined variety functional to form COFs-based composites superior performance than individual components. This paper offers an overview different types reported so far, particular focus on applications composites. Moreover, challenges future prospects presented. We anticipate that review will provide some inspiration further

Язык: Английский

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Metal–Organic Framework Materials for Production and Distribution of Ammonia

Journal of the American Chemical Society, Год журнала: 2023, Номер 145(4), С. 1998 - 2012

Опубликована: Янв. 23, 2023

The efficient production of ammonia (NH3) from dinitrogen (N2) and water (H2O) using renewable energy is an important step on the roadmap to economy. productivity this conversion hinges design development new active catalysts. In wide scope materials that have been examined as catalysts for photo- electro-driven reduction N2 NH3, functional metal–organic framework (MOF) exhibit unique properties appealing features. By elucidating their structural spectroscopic linking observed activity MOF-based catalysts, valuable information can be gathered inspire generations advanced produce green NH3. NH3 also a surrogate hydrogen (H2) economy, potential application MOFs practical effective capture, safe storage, transport discussed. This Perspective analyzes contribution make toward

Язык: Английский

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Advanced noble-metal/transition-metal/metal-free electrocatalysts for hydrogen evolution reaction in water-electrolysis for hydrogen production

Coordination Chemistry Reviews, Год журнала: 2024, Номер 514, С. 215899 - 215899

Опубликована: Май 13, 2024

Язык: Английский

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Lignin‐Metal Supramolecular Framework Strategy of Self‐Healing Carbon‐Coated CoRu Alloy Nanocatalyst for Efficient Overall Water Splitting

Advanced Energy Materials, Год журнала: 2024, Номер 14(32)

Опубликована: Июнь 19, 2024

Abstract Common precursors for carbon materials typically include petroleum‐based polymers or MOF materials. However, these often encounter challenges such as metal aggregation, high cost, and metals leaching. In this work, a novel of approach lignin‐metal supramolecular framework complex (MSF@Lignin) is introduced. These complexes are formed through oxidative ammonolysis lignin (OAL) to synthesize nitrogen‐doped carbon‐encapsulated CoRu nanocatalyst (CoRu@OALC) via in situ carbonization. CoRu@OALC exhibited exceptional performance both HER (90 mV) OER (200 at the current density 10 mA cm −2 , with an overall water splitting voltage 1.5 V outstanding stability under density. During pyrolysis process, became encapsulated by lignin‐derived carbon, occurring within temperature range 600–700 °C. catalytic active sites primarily located defects showcasing unique “self‐healing” phenomenon layer. Oxygen‐containing intermediates ( * OH, O, OOH) facilitated reconstruction on layer, while hydrogen‐containing H) contributed reappearance defect‐rich structure.

Язык: Английский

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Recent advances on synthesis and photocatalytic applications of MOF-derived carbon materials: A review

Coordination Chemistry Reviews, Год журнала: 2024, Номер 510, С. 215834 - 215834

Опубликована: Апрель 5, 2024

Язык: Английский

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A Comprehensive Review on Catalysts for Seawater Electrolysis

Advanced Powder Materials, Год журнала: 2024, Номер 3(5), С. 100227 - 100227

Опубликована: Авг. 15, 2024

Язык: Английский

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Promises of MOF‐Based and MOF‐Derived Materials for Electrocatalytic CO₂ Reduction

Advanced Energy Materials, Год журнала: 2024, Номер 14(39)

Опубликована: Июль 29, 2024

Abstract Electrocatalytic CO 2 reduction (ECR) powered by renewable electricity is a promising technology to mitigate carbon emissions and lessen the dependence on fossil fuels toward carbon‐neutral energy cycle. Metal–organic frameworks (MOFs) their derivatives, due excellent intrinsic activity, have emerged as materials for ECR high‐demand products. However, challenges such unsatisfactory efficiency, selectivity, relatively low production rates hinder industrial scalability. Here, comprehensive critical review presented that summarizes state‐of‐the‐art progress in MOF‐based MOF‐derived electroreduction catalysts from design functionality perspectives. The fundamentals of reaction (CO RR) over heterogeneous catalysts, mechanisms, key faced are described first establish solid foundation forthcoming in‐depth analyses. MOF's building blocks, properties, shortcomings pertinent including conductivity stability, systematically discussed. Moreover, discussions provided design, fabrication, characterization, RR activity pinpoint intricate structure‐property‐performance relationship. Finally, recommendations put forward enhancing MOF electrocatalysts durability. This work may serve guideline developing high‐performance MOF‐related RR, benefiting researchers working this growing potentially game‐changing area.

Язык: Английский

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