Induced dipole moments in amorphous ZnCdS catalysts facilitate photocatalytic H2 evolution

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: March 23, 2024

Abstract Amorphous semiconductors without perfect crystalline lattice structures are usually considered to be unfavorable for photocatalysis due the presence of enriched trap states and defects. Here we demonstrate that breaking long-range atomic order in an amorphous ZnCdS photocatalyst can induce dipole moments generate strong electric fields within particles which facilitates charge separation transfer. Loading 1 wt.% low-cost Co-MoS x cocatalysts material increases H 2 evolution rate 70.13 mmol g −1 h , is over 5 times higher than its counterpart stable long-term up 160 h. A flexible 20 cm × /ZnCdS film prepared by a facile blade-coating technique numerous observable bubbles under natural sunlight, exhibiting potential scale-up solar production.

Language: Английский

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Multi-hierarchical CuS/SnIn4S8 S-scheme heterojunction for superior photothermal-assisted photocatalytic hydrogen production

Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 345, P. 127253 - 127253

Published: March 26, 2024

Language: Английский

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3D-Printed photocatalysts for revolutionizing catalytic conversion of solar to chemical energy

Progress in Materials Science, Journal Year: 2025, Volume and Issue: 151, P. 101427 - 101427

Published: Jan. 7, 2025

Language: Английский

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Zinc mediated electronic structure of CoP toward photocatalytic H2 evolution

Applied Catalysis B Environment and Energy, Journal Year: 2025, Volume and Issue: unknown, P. 125098 - 125098

Published: Jan. 1, 2025

Language: Английский

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Stannum vacancies at precise interface of 2D/2D g-C₃N₄/SnS S-scheme heterojunction boost up photocatalysis

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(31), P. 20270 - 20277

Published: Jan. 1, 2024

Advanced semiconductor photocatalysts have significant potential for efficient alcohol photooxidation.

Language: Английский

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Interfacial-electric-field guiding design of a Type-I FeIn2S4@ZnIn2S4 heterojunction with ohmic-like charge transfer mechanism for highly efficient solar H2 evolution

Applied Surface Science, Journal Year: 2024, Volume and Issue: 663, P. 160206 - 160206

Published: May 3, 2024

Language: Английский

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S-scheme homojunction of 0D cubic/2D hexagonal ZnIn2S4 for efficient photocatalytic reduction of nitroarenes

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 674, P. 547 - 559

Published: June 24, 2024

Language: Английский

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Kesterite‐Type Narrow Bandgap Piezoelectric Catalysts for Highly Efficient Piezocatalytic Fenton System

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

Published: Aug. 28, 2024

Abstract Piezocatalytic Fenton (PF) system emerges as a promising approach to wastewater treatment by leveraging piezocatalysis enhance Fenton‐like reactions. However, conventional piezocatalysts encounter challenges because they often compromise catalytic properties in biased favor of superior piezoelectricity, resulting sluggish kinetics. To tackle this trade‐off, here novel class kesterite‐type narrow bandgap piezoelectrics, Cu 2 XSnS 4 (CXTS, X = Zn, Ni, Co), is developed for PF reactions, which exhibit unique combination physicochemical attributes favorable catalysis such (1.2–1.5 eV), high free charge density (1 × 10 18 cm −3 ), mobility, and redox activity while retaining excellent piezoelectricity (62–142 pm V −1 ). With the well‐balanced piezoelectric, semiconducting, properties, CXTS‐based systems demonstrate outstanding performance tetracycline degradation, delivering notable reaction kinetics 0.34 min only with minor H O dosage (1.2 m outperforming most reactions requiring large amount factor up 10. Such remarkable fulfilled simultaneously effective activation situ generation reactive oxygen species from water via piezocatalysis. Additionally, distinctive hierarchical morphology consisting 2D nanosheets enables easy crystal domain deformation trigger piezoelectric effect, thereby drastically reducing mechanical energy input required drive Rigorous testing has validated viability practical feasibility system. The study offers new design strategy highly efficient systems, enabling cost‐effective sustainable approach.

Language: Английский

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Low-valent cation doping and leaching to construct single-atom Cu decorated Cu-ZnIn2S4 with multiple defects for boosting photocatalytic H2 evolution

Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: 348, P. 123807 - 123807

Published: April 24, 2024

Language: Английский

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Quantum Dot/ZIF-67/ZIF-8 Heterostructure for Efficient Photocatalytic Hydrogen Production

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(10), P. 11445 - 11454

Published: May 6, 2024

With a high porosity and highly adaptable topology, ZIF-67 is considered the most promising photocatalyst has received much attention development. However, photoactive electron extraction rate of still low, which major problem limiting its further In this paper, based on type I structure using quantum dots (QDs) as active site, we obtain QDs@ZIF-67/ZIF-8 heterostructure, ensures high-yield hydrogen efficiency. Quantum dots, transmission site photogenerated electrons, improve carrier utilization generated by strong absorption ability in visible-light region. Through careful characterization, it was found that optimal photocatalytic 4999.7 μmol·g–1·h–1, value 30 times higher than QDs, provides an innovative band gap-matching design for adjusting charge transfer characteristics QDs with narrow gap, realizes efficient visible light.

Language: Английский

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