In Situ Construction of Fuzzy Sea‐Urchin ZnIn₂S₄/W₁₈O₄₉: Leveraging Interfacial Z‐Scheme Redox Sites toward Cooperative Electron–Hole Utilization in Photocatalysis

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 9, 2024

Abstract Despite the significant milestones in half‐reduction process of photocatalysis, challenges remain fully utilizing electron–hole pairs simultaneous redox reactions. Herein, a Z‐scheme ZnIn 2 S 4 /W 18 O 49 (ZW) hybrid with complementary band edge potential is situ constructed. The resultant fuzzy 1D‐assembled sea‐urchin photocatalyst demonstrates an optimal H and benzaldehyde yield 122 106 µmol h −1 under λ > 420 nm light irradiation. This sacrificial‐agent‐free system entails solar‐to‐hydrogen (STH) apparent quantum efficiency (AQE) values 0.466% 2.48% (420 nm), respectively, surpassing most recently reported photocatalytic systems without aid noble metal cocatalysts. outstanding performance mainly attributed to synergistic formation intimate heterojunction induction localized surface plasmon resonances. Comprehensive characterization studies prove direct injection energetic hot electrons promote number long‐lived active electrons. Besides, electron paramagnetic resonance scavenger tests clarify complicated mechanistic puzzle dual‐redox reaction, where formed dominantly via O─H activation followed by C─H cleavage benzyl alcohol over ZW hybrid. Lastly, universal use composites testified various systems. study offers novel outlook for designing dual‐functioning heterojunctions toward feasible photoredox application.

Language: Английский

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At least five: Benefit origins of potassium and sodium co-doping on carbon nitride for integrating pharmaceuticals degradation and hydrogen peroxide production

Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: unknown, P. 124599 - 124599

Published: Sept. 1, 2024

Language: Английский

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Fueling the future of clean energy with self‐supported layered double hydroxides‐based electrocatalysts: A step toward sustainability

InfoMat, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 5, 2024

Abstract Amid the ongoing transition toward renewable fuels, self‐supported layered double hydroxides (LDHs) are envisioned as propitious electrocatalysts for reinvigorating electrocatalysis realm, thereby facilitating environmental remediation and bolstering sustainable global energy security. Exploiting appealing attributes such unique lamellar structure, abundant active sites, tunable intercalation spacing compositional flexibility, LDHs boast remarkable activity, selectivity stability across diverse energy‐related applications. By virtue of addressing technological time prominence excavating their renaissance, this review first encompasses facile state‐of‐the‐art synthetic approaches alongside intriguing modification strategies, deciphering authentic structure–performance correlations advancing more robust precise catalyst design. Aside from this, heterostructure engineering employing diversified ranges coupling materials is highlighted, to construct ground‐breaking binder‐free LDHs‐based heterostructures endowing with unprecedented activity stability. Subsequently, milestone gained experimental research theoretical modeling frontier in multifarious electrocatalytic applications, including HER, OER, UOR, AOR, seawater splitting other fundamental conversion reactions rigorously unveiled. As a final note, brief conclusion presented an outline future prospects. Essentially, aspires offer enlightenment incite wise inspiration evolution innovative resilient next‐generation catalysts. image

Language: Английский

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Reprogram Local Electronic Configuration in Multicomponent Covalent–Organic Frameworks for Efficient Hydrogen Peroxide Photoproduction

Chemistry of Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 19, 2025

Covalent organic frameworks (COFs) have recently demonstrated significant potential for photocatalysis. Optimizing the local electronic environment in COFs has been considered to be critical enhancing photocatalytic activity. Here, we report a one-pot "grafting-to" strategy reprogram configurations of series isoreticular multicomponent by introducing electron-donating or electron-withdrawing groups into pores transform photoinert photoactive and form intramolecular donor–acceptor (D-A) structures. Such D-A structures enhanced overall hydrogen peroxide photoproduction facilitating charge carrier separation optimizing band achieve oxygen reduction reaction water oxidation simultaneously. Notably, one incorporated with 2-aminothiazole exhibits production rate 3701 μmol g–1 h–1 solar-to-chemical conversion efficiency 0.13% without use any sacrificial reagents, it 100% bacterial killing rates remarkable >90% biofilm removal capability. This COF modification strategy, which not reported before, offers unique approach constructing highly active photocatalysts containing great future design antibacterial therapies.

Language: Английский

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Tailoring Hydrogen Storage Materials Kinetics and Thermodynamics Through Nanostructuring, and Nanoconfinement With In‐Situ Catalysis

Interdisciplinary materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 23, 2025

ABSTRACT For a clean and sustainable society, there is an urgent demand for renewable energy with net‐zero emissions due to fossil fuels limited resources irreversible environmental impact. Hydrogen has the unrivaled potential replace its high gravimetric density, abundant sources (H 2 O), friendliness. However, low volumetric density causes significant challenges, inspiring major efforts develop chemical‐based storage alternatives. Solid‐state hydrogen in materials substantial fulfilling practical requirements recognized as candidate their properties tuning more independently. hydrogen's stable thermodynamics sluggish kinetics are bottleneck widespread applications. To explore kinetic thermodynamic barriers fundamentals of materials, this review will provide promising information researchers gain detailed knowledge about applications find new routes engineering tuned properties. This further attract wider scientific community intend understand innovative concepts strategies developed employ them tailoring materials' Recent advances nanostructuring, nanoconfinement situ catalysts, host/guest stress/strain have propel prospects at nanoscale several directions that could lead next generation solid‐state

Language: Английский

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Carbon Doping in Crystalline C₃N₅ Photocatalyst: Unraveling C-H Functional Groups for Near-Unity Electron-Hole Utilization toward Ameliorated Dual-Functional H₂O₂ and Benzaldehyde Co-Production

Applied Catalysis B Environment and Energy, Journal Year: 2025, Volume and Issue: unknown, P. 125294 - 125294

Published: March 1, 2025

Language: Английский

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Synergistic potassium intercalation and cyano group modification on crystalline carbon nitride homojunction towards dual-functional photoredox coupling of H2O2 and benzaldehyde production

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 158992 - 158992

Published: Dec. 1, 2024

Language: Английский

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Strategic facet engineering of bismuth‐based photocatalysts for the applications in solar‐to‐chemical conversion

InfoScience., Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 5, 2024

Abstract Semiconductor photocatalysis is a promising tactic to simultaneously overcome global warming and the energy crisis as it can directly convert inexhaustible solar into clean fuels valuable chemicals, hence being employed in various applications. However, current performance of largely impeded by fast recombination photogenerated charge carriers insufficient light absorption. Among materials, bismuth‐based photocatalysts have stood out excellent candidates for efficient due their unique controllable crystal structures relatively narrow band gap. These features endow selective exposure active facets (facet engineering) wide absorption range, resulting tunable photocatalytic activity, selectivity, stability. Therefore, great potential use facet‐engineered applications (e.g., water splitting, CO 2 reduction, N fixation, H O production) achieve sustainable development. Herein, introduction provides overview this research, while synthesis, modification strategy, latest progress application were summarized highlighted review paper. Lastly, conclusion outlooks topic concluded give some insights direction focus future research.

Language: Английский

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Plastic‐to‐Treasure: Innovative advances in photo/electro‐catalytic upcycling technologies for commodity chemicals and fuels

EcoEnergy, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 27, 2024

Abstract Plastics are one of the greatest inventions 20 th century that bring convenience to mankind. Owing commercialization plastics, plastic pollution has become a petrifying environmental issue as demand for products overwhelms recycling rates. However, conventional methods (i.e., pyrolysis and gasification) require high pressure temperature treat waste plastic, resulting in ineluctably energy‐waste secondary pollution. On contrary, selective catalylic technologies provide green approach degrade plastics whilst also reforming them into value‐added chemicals fuels. In this review, innovative approaches, including photocatalysis, electrocatalysis, photoelectrocatalysis, have been comprehensively reviewed from perspective sustainable use resources. Distinctive emphasis is placed on highlighting merits each technology enlightening state‐of‐the‐art modification strategies strengthen pillars catalytic activities. The transformation with above techniques elaborated terms reaction conditions various substrates. With feasibility breakdown displayed study, insights challenges prospects upcycling underscored well facilitate society moving toward circular economy.

Language: Английский

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