In-situ cation-exchange strategy for engineering single-atomic Co on TiO2 photoanode toward efficient and durable solar water splitting

Applied Catalysis B Environment and Energy, Journal Year: 2023, Volume and Issue: 330, P. 122630 - 122630

Published: March 14, 2023

Language: Английский

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Improving Interface Matching in MOF-on-MOF S-Scheme Heterojunction through π–π Conjugation for Boosting Photoelectric Response

Nano Letters, Journal Year: 2023, Volume and Issue: 23(11), P. 5358 - 5366

Published: June 2, 2023

Accelerating the migration of interfacial carriers in a heterojunction is paramount importance for driving high-performance photoelectric responses. However, inferior contact area and large resistance at interface limit eventual performance. Herein, we fabricated an S-scheme involving 2D/2D dual-metalloporphyrin metal-organic framework with metal-center-regulated CuTCPP(Cu)/CuTCPP(Fe) through electrostatic self-assembly. The ultrathin nanosheet-like architectures reduce carrier distance, while similar porphyrin backbones promote reasonable matching π-π conjugation, thereby inhibiting recombination photogenerated carriers. Furthermore, band alignments create giant built-in electric field, which provides huge force efficient separation migration. Coupling biomimetic catalytic activity CuTCPP(Fe), resultant was utilized to construct photoelectrochemical uric acid biosensors. This work general strategy enhance responses by engineering structure heterojunctions.

Language: Английский

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Full‐Spectrum Responsive Naphthalimide/Perylene Diimide with a Giant Internal Electric Field for Photocatalytic Overall Water Splitting

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 63(5)

Published: Dec. 12, 2023

The co-assembly naphthalimide/perylene diimide (NDINH/PDINH) supramolecular photocatalysts were successfully synthesized via a rapid solution dispersion method. A giant internal electric field (IEF) in structure was built by the larger local dipole. NDINH coated on PDINH could reduce reflected over to improve its responsive activity ultraviolet light. Resultantly, an efficient full-spectrum photocatalytic overall water splitting with H

Language: Английский

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Dual Cocatalysts Synergistically Promote Perylene Diimide Polymer Charge Transfer for Enhanced Photocatalytic Water Oxidation

ACS Energy Letters, Journal Year: 2023, Volume and Issue: 8(6), P. 2652 - 2660

Published: May 18, 2023

Water oxidation is a critical reaction in artificial photosynthesis which limited by high energy barrier and often requires matching cocatalysts. Dual cocatalysts Co3O4 Pt are combined with perylene diimide (PDI) polymer, accomplishing photocatalytic O2 production rate of 24.4 mmol g–1 h–1 under visible light irradiation, 5.4-fold enhancement compared PDI alone. Moreover, the apparent quantum yield evolution reaches 6.9% at 420 nm remains 1.2% 590 nm. The dual cocatalysts-constructed interfacial electric fields provide an anisotropic driving force for photogenerated holes to electrons Pt, synergistically improving spatial charge separation efficiency water oxidation. molecules serve as active sites improve utilization on surface. This work provides valuable demonstration interaction process mechanism cocatalysts, guiding selection high-efficiency solar conversion.

Language: Английский

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Plasmonic coupling-boosted photothermal composite photocatalyst for achieving near-infrared photocatalytic hydrogen production

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 661, P. 12 - 22

Published: Jan. 26, 2024

Language: Английский

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