Carbon quantum dots conjugated with metal hybrid nanoparticles as advanced electrocatalyst for energy applications – A review

Coordination Chemistry Reviews, Journal Year: 2023, Volume and Issue: 500, P. 215499 - 215499

Published: Nov. 1, 2023

The recent advances in nanomaterials have led to speculation about the effectivity of carbon quantum dots applied as electrocatalysts for water splitting. An insufficient amount research has been undergone into this proposed application, although CQDs exhibit great potential with rapid electron transfer rates, long-term stability and desirable morphologies. To evaluate various materials that could aid their application splitting, investigate environmentally conscious synthesis routes determine whether be considered commercial applications, numerous studies articles were collated obtain a comprehensive strategy processing analysing data. Further, investigating not only but metal alloy nanoparticles, along current uses other supporting they conjugated with, contributes significance work. Focusing on extrapolated results over potentials, densities production rates both hydrogen oxygen throughout electrolysis is utmost importance. Notably, exhibited low Tafel slopes (35–45 mV/dec), crucial traits such affirming electrocatalysts. Among nanoparticles investigated, suitable candidates conjugation identified. Collectively, data suggests CQD/metal nanoparticle enhance splitting process particularly underexplored realm production. However, it remains imperative perform experimental procedures substantiate proposition when feasible.

Language: Английский

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Leveraging Dual‐Atom Catalysts for Electrocatalysis Revitalization: Exploring the Structure‐Performance Correlation

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(18)

Published: Feb. 27, 2024

Abstract In light of the profound shift toward renewable fuels, dual‐atom catalysts (DACs) are impressively prospected as auspicious for electrocatalysis revitalization, accomplishing environmental remediation and sustainable global energy security. Leveraging appealing attributes such inspiring synergistic effect, additional adjacent adsorption sites, ultrahigh atom utilization, DACs endowed with unprecedented stability, activity, selectivity in multifarious energy‐related applications. By virtue addressing time technological prominence to review this ground‐breaking atomic electrocatalyst, first encompasses a correlation elucidation between substrate, dual‐atoms, facile synthetic approaches intriguing modification strategies. Furthermore, state‐of‐the‐art characterization techniques specially employed spotlighted, alongside rigorously unveiling novel mechanistic insights’ milestone gained from both theoretical modeling experimental research multitudes environmentally benign electrocatalytic applications, including O 2 reduction, CO H evolution, N other fundamental reactions. As final note, presents brief conclusion highlighting current challenges outlining prospects frontier. Importantly, deciphers structure‐performance while excavating advancement DACs, thus is anticipated shed catalysis community on bolstering an intense evolution triggering sapient inspiration more robust next‐generation catalysts.

Language: Английский

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Retrospective insights into recent MXene-based catalysts for CO₂electro/photoreduction: how far have we gone?

Nanoscale, Journal Year: 2023, Volume and Issue: 15(14), P. 6536 - 6562

Published: Jan. 1, 2023

This state-of-the-art review of MXene-based catalysts in CO 2 electro/photoreduction places an emphasis on synthesis approaches, surface termination modulation, heterostructure engineering and reaction mechanisms.

Language: Английский

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Self‐Supported Earth‐Abundant Carbon‐Based Substrates in Electrocatalysis Landscape: Unleashing the Potentials Toward Paving the Way for Water Splitting and Alcohol Oxidation

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 14(16)

Published: Dec. 31, 2023

Abstract In the vast realm of scientific inquiry, pursuit hydrogen fuel production through electrochemical water splitting offers a promising gateway to green energy generation, alleviating challenges posed by resource scarcity. However, conventional encounters hurdles like low efficiency and sluggish oxygen evolution reaction (OER), which prompt searchers seek for alternative oxidation process. Significant strides are made in electrocatalytic research employing polymeric binders, resulting commendable catalytic activity minimal electron migration resistance. Yet, pivotal breakthrough this rapidly evolving field lies innovative conception carbon‐based self‐supported electrocatalysts, heralding trajectory ahead. This review delves into essential electro‐activity parameters establish property‐activity nexus, emphasizing benefits electrodes. Noteworthy advancements demonstrated (HER), OER, overall (OWS), bifunctional HER alcohol (AOR), driven diverse range electrocatalysts. These include structure‐dependent materials such as metal oxides, hydroxides/oxyhydroxides, phosphides, sulfides, selenides, nitrides, carbides, each meticulously tailored with nuanced modifications that shape their distinctive attributes. also acknowledges its opportunities, providing guidance potential directions inspiring interdisciplinary collaboration among scientists.

Language: Английский

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2D/2D heterojunction interface: Engineering of 1T/2H MoS2 coupled with Ti3C2T heterostructured electrocatalysts for pH-universal hydrogen evolution

Journal of Material Science and Technology, Journal Year: 2023, Volume and Issue: 179, P. 86 - 97

Published: Oct. 18, 2023

Language: Английский

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Linkage Engineering in Covalent Organic Frameworks for Metal‐Free Electrocatalytic C₂H₄ Production from CO₂

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(26)

Published: April 18, 2024

Electrocatalytic carbon dioxide reduction reaction (CO

Language: Английский

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Allying interfacial engineering of 2D carbon nanosheet‐, graphene‐, and graphdiyne‐based heterostructured electrocatalysts toward hydrogen evolution and overall water splitting

Electron, Journal Year: 2024, Volume and Issue: 2(1)

Published: Feb. 1, 2024

Abstract Electrochemical hydrogen evolution reaction (HER) and overall water splitting (OWS) for renewable energy generation have recently become a highly promising sustainable strategy to tackle crisis global warming arising from our overreliance on fossil fuels. Previously, tremendous research breakthroughs been made in 2D carbon‐based heterostructured electrocatalysts this field. Such heterostructures are distinguished by their remarkable electrical conductivity, exposed active sites, mechanical stability. Herein, with fundamental mechanisms of electrocatalytic OWS summarized, review critically emphasized state‐of‐the‐art carbon nanosheet‐, graphene‐, graphdiyne‐based HER since 2018. Particularly, the three emerging carbonaceous substrates tend be incorporated metal carbides, phosphides, dichalcogenides, nitrides, oxides, nanoparticles, single atom catalysts, or layered double hydroxides. Meanwhile, fascinating structural engineering facile synthesis strategies were also unraveled establish structure–activity relationship, which will enlighten future electrocatalyst developments toward ameliorated activities. Additionally, computational results density functional theory simulations highlighted as well better comprehend synergistic effects within heterostructures. Finally, current stages recommendations brand‐new type concluded discussed advanced catalyst designs practical applications.

Language: Английский

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Metal‐Organic Frameworks‐Based Copper Catalysts for CO₂ Electroreduction Toward Multicarbon Products

Exploration, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 12, 2025

ABSTRACT Copper (Cu) is the most promising catalyst for electrochemical CO 2 ‐to‐C 2+ conversion, whereas performance remains below practical thresholds due to high energy barrier of C−C coupling and lack effective approaches steer reaction pathway. Recent advances show that metal‐organic frameworks (MOF) could be a platform as support, pre‐catalyst, co‐catalyst modify electronic structure local environment Cu catalysts promoting reduction by virtue their great tunability over compositions pore architectures. In this review, we discussed general design principles, catalytic mechanisms, achievements MOF‐based catalysts, aiming boost refinement steering pathway C products. The fundamentals challenges are first introduced. Then, summarized conceptions from three aspects: engineering properties Cu, regulating environment, managing site exposure mass transport. Further, latest progress products namely Cu‐based MOF, MOF‐derived Cu@MOF hybrid discussed. Finally, future research opportunities strategies suggested innovate rational advanced electrifying transformation.

Language: Английский

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Recent advances in the regulation of the coordination structures and environment of single-atom catalysts for carbon dioxide reduction reaction

Journal of Materials Chemistry A, Journal Year: 2023, Volume and Issue: 11(15), P. 7949 - 7986

Published: Jan. 1, 2023

Herein the effects of metal type, active site coordination structure, and environment SACs on CO 2 RR are discussed in detail. And challenges future development directions field analyzed.

Language: Английский

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Atomic-level tailoring ZnxCd1-xS photocatalysts: a paradigm for bridging structure-performance relationship toward solar chemical production

Materials Today Energy, Journal Year: 2023, Volume and Issue: 34, P. 101281 - 101281

Published: March 14, 2023

Language: Английский

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