Photoredox-promoted co-production of 3,4-dihydroisoquinoline and H2 over Pd-doped leaf-like CdS catalyst

Molecular Catalysis, Journal Year: 2024, Volume and Issue: 561, P. 114178 - 114178

Published: April 26, 2024

Language: Английский

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Regulating the Transfer of Photogenerated Carriers for Photocatalytic Hydrogen Evolution Coupled with Furfural Synthesis

ACS Nano, Journal Year: 2024, Volume and Issue: 18(27), P. 17939 - 17949

Published: June 25, 2024

How to simultaneously utilize photogenerated electrons and holes still remains a critical challenge in the field of artificial photosynthesis, especially process photocatalytic hydrogen (H2) evolution coupled with biomass oxidation value-added chemicals. Herein, series-parallel photocatalyst (Cu NPs/CdS/In2O3) that can intrinsically regulate transfer carriers is ingeniously designed for H2 synergized furfural alcohol (FFA) selective (FF). Accordingly, desired FF rates near 100% selectivity toward are achieved on Cu NPs/CdS/In2O3 sealed atmospheric system. Experimental theoretical analyses confirm localized surface plasmon resonance (LSPR) effect induced by NPs accelerates reduction protons (H+) efficiently, while from In2O3 preferentially activate α-C–H bond FFA adsorbed Lewis acid sites generate FF. This work provides reference regulating synthesis.

Language: Английский

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S‐Scheme g‐C₃N₄/CdS Heterostructures Grafting Single Pd Atoms for Ultrafast Charge Transport and Efficient Visible‐Light‐Driven H₂ Evolution

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(38)

Published: May 11, 2024

Abstract Emerging step‐scheme (S‐scheme) heterostructures hold unique superiority in steering directional charge transport and reinforcing redox capacity, yet rational modification of S‐scheme by single atoms (SAs) for efficient photocatalytic H 2 evolution is rarely reported. In this work, Pd SAs‐modulated organic–inorganic g‐C 3 N 4 /CdS are designed prepared a one‐pot mechanochemical approach allowing nanosheets/CdS nanoparticles to confine atomically dispersed co‐catalysts. The charge‐transfer pathway corroborated combination situ irradiated X‐ray photoelectron spectroscopy, electron paramagnetic resonance, Kelvin probe force microscopy. Density functional theory (DFT) calculations, high‐angle annular dark‐field scanning transmission microscopy, absorption fine structure identify Pd‐S Pd‐N atomic moieties underpinned the electronic interaction between SAs heterostructures, which d ‐band center optimized proton adsorption thermodynamically. Further, alongside concert boost rapid migration photogenerated electrons (1.05 ps) via Pd─S Pd─N bond‐derived channels. A maximal rate 85.66 mmol h −1 g achieved 1 wt% Pd‐20 hierarchical composites. This work may guide design high‐efficiency S‐scheme‐based photocatalysts solar‐to‐H conversion beyond.

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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Reinforced Interfacial Cd─Se Bond Coupling Photocatalytic Hydrogen Evolution with Pyruvic Acid Synthesis

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(32)

Published: May 28, 2024

Abstract Maximizing the utilization of photogenerated electrons and holes to drive coupling reaction hydrogen evolution with selective value‐added organic synthesis holds great potential for more efficient exploitation solar energy. Herein, interstitial boron‐doped CdS is synthesized by taking SiO 2 as a template well adsorption sites boric acid, which contributes boron doping induces reinforced Cd─Se bonding enhancing interfacial interaction co‐catalyst MoSe . Thus, bond electron localization provides rapid channels at atomic level accelerating charge transfer lower energy barrier, achieving high selectivity pyruvic acid concurrently. This work new perspective in avoiding use sacrificial agents uneconomically producing green high‐value‐added chemicals simultaneously.

Language: Английский

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Heterostructured Photocatalysts for Water Splitting and the Interfacial Charge Transfer

ACS Materials Letters, Journal Year: 2024, Volume and Issue: unknown, P. 3572 - 3601

Published: July 15, 2024

Language: Английский

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Nickel porphyrin/ZnIn2S4 heterojunction with Ni-S highway for boosting charge separation and visible-light-driven H2 production

Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: 353, P. 124090 - 124090

Published: April 17, 2024

Language: Английский

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Incorporation of Pd Single‐atom Sites in Perovskite with an Excellent Selectivity toward Photocatalytic Semihydrogenation of Alkynes

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: unknown

Published: July 27, 2024

Abstract Semihydrogenation is a crucial industrial process. Noble metals such as Pd have been extensively studied in semihydrogenation reactions, owing to their unique catalytic activity toward hydrogen activation. However, the overhydrogenation of alkenes alkanes often happens due rather strong adsorption on active phases. Herein, we demonstrate that incorporation phases single‐atom sites perovskite lattices SrTiO 3 can greatly alternate electronic structure and coordination environment facilitate desorption than further hydrogenation. Furthermore, incorporated be well stabilized without sintering by host–guest interaction with during activation H species hydrogenation reactions. As result, (Pd‐SrTiO ) exhibits an excellent time‐independent selectivity (>99.9 %) robust durability for photocatalytic phenylacetylene styrene. This strategy based will broad implications development high‐performance photocatalysts selective

Language: Английский

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Microenvironment engineering of BiVO4 for efficient photocatalytic cascade reaction to selectively convert the pollutants into multi-carbon alcohol

Applied Catalysis B Environment and Energy, Journal Year: 2025, Volume and Issue: unknown, P. 125162 - 125162

Published: Feb. 1, 2025

Language: Английский

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Crystal plane regulation and heterostructure construction of ZnIn2S4/h-BN for boosting photocatalytic hydrogen evolution

Applied Surface Science, Journal Year: 2025, Volume and Issue: unknown, P. 163017 - 163017

Published: March 1, 2025

Language: Английский

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