Heterojunction Engineering of Multinary Metal Sulfide‐Based Photocatalysts for Efficient Photocatalytic Hydrogen Evolution

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(11)

Published: Dec. 2, 2023

Photocatalytic hydrogen evolution (PHE) via water splitting using semiconductor photocatalysts is an effective path to solve the current energy crisis and environmental pollution. Heterojunction photocatalysts, containing two or more semiconductors, exhibit better PHE rates than those with only one owing altered band alignment at interface stronger driving force for charge separation. Traditional binary metal sulfide (BMS)-based heterojunction such as CdS, MoS

Language: Английский

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Point‐to‐face contact heterojunctions: Interfacial design of 0D nanomaterials on 2D g‐C₃N₄ towards photocatalytic energy applications

Carbon Energy, Journal Year: 2022, Volume and Issue: 4(5), P. 665 - 730

Published: Aug. 9, 2022

Abstract Green energy generation is an indispensable task to concurrently resolve fossil fuel depletion and environmental issues align with the global goals of achieving carbon neutrality. Photocatalysis, a process that transforms solar into clean fuels through photocatalyst, represents felicitous direction toward sustainability. Eco‐rich metal‐free graphitic nitride (g‐C 3 N 4 ) profiled as attractive photocatalyst due its fascinating properties, including excellent chemical thermal stability, moderate band gap, visible light‐active nature, ease fabrication. Nonetheless, shortcomings g‐C include fast charge recombination limited surface‐active sites, which adversely affect photocatalytic reactions. Among modification strategies, point‐to‐face contact engineering 2D 0D nanomaterials innovative promising synergy owing several intriguing attributes such high specific surface area, short effective charge‐transfer pathways, quantum confinement effects. This review introduces recent advances achieved in experimental computational studies on interfacial design nanostructures construction heterojunction interfaces. Notably, materials metals, metal oxides, sulfides, selenides, phosphides, nonmetals different mechanisms are systematically discussed along controllable synthesis strategies. The applications 0D/2D ‐based photocatalysts focused solar‐to‐energy conversion via hydrogen evolution reaction, CO 2 reduction reaction evaluate activity elucidate pathways. Finally, future perspectives for developing high‐efficiency proposed explore potential emerging allotropes, large‐scale production, machine learning integration, multidisciplinary technological breakthroughs.

Language: Английский

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Self-activated superhydrophilic green ZnIn2S4 realizing solar-driven overall water splitting: close-to-unity stability for a full daytime

Nature Communications, Journal Year: 2023, Volume and Issue: 14(1)

Published: Nov. 24, 2023

Engineering an efficient semiconductor to sustainably produce green hydrogen via solar-driven water splitting is one of the cutting-edge strategies for carbon-neutral energy ecosystem. Herein, a superhydrophilic hollow ZnIn2S4 (gZIS) was fabricated realize unassisted photocatalytic overall splitting. The hierarchical framework benefits exposure intrinsically active facets and activates inert basal planes. nature gZIS promotes intense surface molecule interactions. presence vacancies within facilitates photon utilization charge transfer. Systematic theoretical computations signify defect-induced redistribution enhancing activation reducing kinetic barriers. Ultimately, could drive pure by retaining close-to-unity stability full daytime reaction with performance comparable other complex sulfide-based materials. This work reports self-activated, single-component cocatalyst-free great exploration value, potentially providing state-of-the-art design innovative aperture production achieve carbon-neutrality.

Language: Английский

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Modulating Charge Accumulation via Electron Interaction for Photocatalytic Hydrogen Evolution: A Case of Fabricating Palladium Sites on ZnIn₂S₄ Nanosheets

ACS Catalysis, Journal Year: 2023, Volume and Issue: 13(17), P. 11687 - 11696

Published: Aug. 21, 2023

It is desirable to regulate charge migration synergistically via atomic level decoration because it can construct active sites with both thermodynamic and kinetic advantages in photocatalytic hydrogen (H2) evolution. Here, a mild cation exchange-mediated strategy was applied anchor palladium (Pd) cations the ZnIn2S4 nanostructure, achieving an outstanding H2 evolution rate of 1236.4 μmol h–1 (λ ≥ 420 nm) accompanied by apparent quantum efficiency 60.06% = nm). Pd dopants act as surface chemical state modulators, which help balance *H adsorption thermodynamically. More importantly, situ electron spin resonance XPS analysis reveal that synergistic interaction brought Pd–S structure constructs efficient transfer channel, leading more delocalized photocarriers for reaction. A feasible proposed this study improve performance photocatalysts from viewpoint exchange. Simultaneously, verified modulate accumulation at substitution sites, providing substantiation unique insights into electronic modification photocatalysts.

Language: Английский

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Internal electric field engineering of bifunctional 2D/2D heterojunction photocatalyst for cooperative H2 production and alcohol conversion

Applied Catalysis B Environment and Energy, Journal Year: 2023, Volume and Issue: 331, P. 122725 - 122725

Published: April 3, 2023

Language: Английский

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Full‐Space Electric Field in Mo‐Decorated Zn₂In₂S₅ Polarization Photocatalyst for Oriented Charge Flow and Efficient Hydrogen Production

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(31)

Published: May 18, 2024

Integration of photocatalytic hydrogen (H

Language: Английский

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Novel hollow core-shell Zn0.5Cd0.5S@ZnIn2S4/MoS2 nanocages with Z-scheme heterojunction for enhanced photocatalysis of hydrogen generation

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 662, P. 928 - 940

Published: Feb. 13, 2024

Language: Английский

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Interfacial intimacy and internal electric field modulated S-scheme Sv-ZnS/ZnIn2S4 photocatalyst for efficient H2 evolution and CO2 reduction

Journal of Colloid and Interface Science, Journal Year: 2022, Volume and Issue: 635, P. 284 - 294

Published: Dec. 27, 2022

Language: Английский

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Carbon dioxide electroreduction into formic acid and ethylene: a review

Environmental Chemistry Letters, Journal Year: 2022, Volume and Issue: 20(6), P. 3555 - 3612

Published: June 29, 2022

Language: Английский

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Current Knowledge, Research Progress, and Future Prospects of Phyto-Synthesized Nanoparticles Interactions with Food Crops under Induced Drought Stress

Sustainability, Journal Year: 2023, Volume and Issue: 15(20), P. 14792 - 14792

Published: Oct. 12, 2023

Drought stress threatens global food security and requires creative agricultural solutions. Recently, phyto-synthesized nanoparticles NPs have garnered attention as a way to reduce crop drought. This extensive research examines how improve growth biochemistry in drought-stressed situations. The review begins with an introduction highlighting the urgency of addressing challenges posed by It also highlights significance synthesized from photosynthesis this context. Its purpose is underscore importance sustainable farming practices. approach contrasted conventional methods, elucidating ecological economic advantages NPs. discusses nanoparticles, including titanium dioxide, iron oxide, gold, silver, copper. In addition, we their ability enhance resistance. primary focus elucidate effects on plant development under drought stress. Noteworthy outcomes encompass improvements seed germination, seedling growth, water absorption, photosynthesis, chlorophyll content, activation antioxidant defense mechanisms, modulation hormonal responses. These results potential agents for enhancing mitigating assesses risks using agriculture. Considerations include non-target organisms, soil, environmental impacts. Further needed determine long-term effects, dangers, benefits Nanoparticles offer targeted improving tolerance, outpacing traditional methods ethics balance. Their mechanisms range nutrient delivery molecular regulation. However, impact remains understudied. critical identifying gaps advancing practices amid scarcity.

Language: Английский

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