Frontiers in Photoelectrochemical Catalysis: A Focus on Valuable Product Synthesis

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(21)

Published: Feb. 11, 2024

Abstract Photoelectrochemical (PEC) catalysis provides the most promising avenue for producing value‐added chemicals and consumables from renewable precursors. Over last decades, PEC catalysis, including reduction of feedstock, oxidation organics, activation functionalization C─C C─H bonds, are extensively investigated, opening new opportunities employing technology in upgrading readily available resources. However, several challenges still remain unsolved, hindering commercialization process. This review offers an overview targeted at synthesis high‐value sustainable First, fundamentals evaluating reactions context product both anode cathode recalled. Then, common photoelectrode fabrication methods that have been employed to produce thin‐film photoelectrodes highlighted. Next, advancements systematically reviewed discussed conversion various feedstocks highly valued chemicals. Finally, prospects field presented. aims facilitating further development precursors products other pharmaceuticals.

Language: Английский

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Novel Heterostructure‐Based CoFe and Cobalt Oxysulfide Nanocubes for Effective Bifunctional Electrocatalytic Water and Urea Oxidation

Small, Journal Year: 2024, Volume and Issue: 20(26)

Published: Jan. 14, 2024

The development of effective oxygen evolution reaction (OER) and urea oxidation (UOR) on heterostructure electrocatalysts with specific interfaces characteristics provides a distinctive character. In this study, nanocubes (NCs) comprising inner cobalt oxysulfide (CoOS) NCs outer CoFe (CF) layered double hydroxide (LDH) are developed using hydrothermal methodology. During the sulfidation process, divalent sulfur ions (S

Language: Английский

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Multivalent Sulfur Vacancy‐Rich NiCo₂S₄@MnO₂ Urchin‐Like Heterostructures for Ambient Electrochemical N₂ Reduction to NH₃

Small, Journal Year: 2024, Volume and Issue: 20(31)

Published: March 5, 2024

Abstract Innovative advances in the exploitation of effective electrocatalytic materials for reduction nitrogen (N 2 ) to ammonia (NH 3 are highly required sustainable production fertilizers and zero‐carbon emission fuel. In order achieve footprints renewable NH production, electrochemical N reaction (NRR) provides a favorable energy‐saving alternative but it requires more active, efficient, selective catalysts. current work, sulfur vacancy (Sv)‐rich NiCo S 4 @MnO heterostructures efficaciously fabricated via facile hydrothermal approach followed by heat treatment. The urchin‐like Sv‐NiCo serve as cathodes, which demonstrate an optimal yield 57.31 µg h −1 mg cat Faradaic efficiency 20.55% at −0.2 V versus reversible hydrogen electrode (RHE) basic electrolyte owing synergistic interactions between MnO . Density functional theory (DFT) simulation further verifies that Co‐sites beneficial lowering energy threshold adsorption successive protonation. Distinctive micro/nano‐architectures exhibit high NRR activities might motivate researchers explore concentrate on development ambient generation.

Language: Английский

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Metal-free upcycling of plastic waste: photo-induced oxidative degradation of polystyrene in air

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(3), P. 1363 - 1369

Published: Jan. 1, 2024

A photooxidation method was reported to facilitate the efficient degradation of polystyrene (PS) in air using porphyrin-based porous organic polymers (PPOPs). The is mild and effective promoting different PS derivatives.

Language: Английский

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A critical review of the state-of-the-art green ammonia production technologies- mechanism, advancement, challenges, and future potential

Fuel, Journal Year: 2023, Volume and Issue: 358, P. 130307 - 130307

Published: Nov. 11, 2023

Language: Английский

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Modulating d-orbital occupancy via a coupled interfacial-local electric field for electrocatalytic N2 fixation

Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: 345, P. 123700 - 123700

Published: Jan. 4, 2024

Language: Английский

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A recent review on photochemical and electrochemical nitrogen reduction to ammonia: Strategies to improve NRR selectivity and faradaic efficiency

Applied Materials Today, Journal Year: 2024, Volume and Issue: 39, P. 102253 - 102253

Published: June 8, 2024

Language: Английский

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Research Progress on the Application of MOF and MOF‐Based Materials in Nitrogen Reduction

Advanced Sustainable Systems, Journal Year: 2024, Volume and Issue: unknown

Published: June 3, 2024

Abstract Electrocatalytic and photocatalytic nitrogen fixation have become new ways to achieve green reduction because of their environmentally friendly cost‐effective characteristics. At present, there has been an increasing curiosity about using metal‐organic frameworks (MOFs) for photocatalysis electrocatalysis. However, electrocatalytic ammonia production is still not practical applications. Having a thorough understanding necessary the advancement applications development highly efficient catalysts in future. The catalytic activity MOF itself limited. By adjusting exposure active sites through low‐temperature calcination solvent addition, photogenerated carrier recombination inhibited, adsorption activation N 2 are enhanced, improving its performance This review examines reported photocatalysts, electrocatalysts, photoelectrocatalysts based on MOFs associated materials. underlying mechanism electrocatalysis elucidated. Additionally, inclusive survey related materials as reaction (NRR) presented, with representative examples discussed. Finally, research progress MOF‐based summarized prospected.

Language: Английский

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Bimetal-doped cobalt oxyhydroxides/hydroxides synthesized by electrochemistry for enhanced OER activity

Inorganic Chemistry Frontiers, Journal Year: 2024, Volume and Issue: 11(17), P. 5449 - 5457

Published: Jan. 1, 2024

Metal hydroxides and oxyhydroxides are efficient catalysts for electrochemical oxygen evolution reactions.

Language: Английский

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Phase‐Bridged Hierarchical Catalysts for Efficient and Stable Water Electrolysis

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(7)

Published: Nov. 1, 2023

Abstract The design and synthesis of low‐cost electrocatalysts with high catalytic activity long‐term stability is a challenging task. This study utilizes combination electronic tuning surface reconstruction to synthesize ternary layered double hydroxide (LDH)/phosphide (P−NiCuFe−LDH) hierarchical‐structure catalyst that improves the kinetics hydrogen/oxygen evolution reactions in water electrolysis by facilitating thermodynamically limited reaction pathways. Spectroscopic analyses indicate synergistic interactions among metal atoms LDH phosphide layers via P‐bridge effect. cross‐layer interaction optimizes electron transport pathways kinetics, enabling proposed hierarchical electrocatalyst exhibit intrinsic activity. Theoretical calculations confirm configuration cross‐phase bridges elucidate origin enhanced electrocatalytic effect P−NiCuFe−LDH. For overall splitting, P−NiCuFe 0.06 −LDH || system requires only 1.517 V attain current density 10 mA cm −2 . P−O‐containing (generated situ during electrolysis) prevents metal‐ion leaching endows P−NiCuFe−LDH excellent operational stability; as demonstrated continuous test over 1000 h negligible performance degradation. provides important insights into rational structures for wide range applications beyond splitting.

Language: Английский

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