Utilizing Er-doped ZnIn2S4 for efficient photocatalytic CO2 conversion

Applied Catalysis B Environment and Energy, Journal Year: 2023, Volume and Issue: 341, P. 123347 - 123347

Published: Sept. 29, 2023

Language: Английский

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Recent advances, application and prospect in g-C3N4-based S-scheme heterojunction photocatalysts

Separation and Purification Technology, Journal Year: 2023, Volume and Issue: 330, P. 125302 - 125302

Published: Oct. 12, 2023

Language: Английский

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Near‐Infrared Light‐Driven Photocatalysis with an Emphasis on Two‐Photon Excitation: Concepts, Materials, and Applications

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(5)

Published: Sept. 13, 2023

Efficient utilization of sunlight in photocatalysis is widely recognized as a promising solution for addressing the growing energy demand and environmental issues resulting from fossil fuel consumption. Recently, there have been significant developments various near-infrared (NIR) light-harvesting systems artificial photosynthesis photocatalytic remediation. This review provides an overview most recent advancements NIR light through creation novel nanostructured materials molecular photosensitizers, well modulating strategies to enhance processes. A special focus given emerging two-photon excitation photocatalysis. The unique features limitations different are critically evaluated. In particular, it highlights advantages utilizing compared UV-visible irradiation one-photon excitation. Ongoing challenges potential solutions future exploration light-responsive also discussed.

Language: Английский

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A Full-Spectrum ZnS Photocatalyst with Gradient Distribution of Atomic Copper Dopants and Concomitant Sulfur Vacancies for Highly Efficient Hydrogen Evolution

ACS Nano, Journal Year: 2024, Volume and Issue: unknown

Published: Feb. 6, 2024

A rarely discussed phenomenon in the realm of photocatalytic materials involves presence gradient distributed dopants and defects from interior to surface. This intriguing characteristic has been successfully achieved case ZnS through incorporation atomic monovalent copper ions (Cu+) concurrent sulfur vacancies (Vs), resulting a photocatalyst denoted as G-CZS1–x. Through cooperative action these Cu Vs, G-CZS1–x significantly extends its photoabsorption range encompass full spectrum (200–2100 nm), which improves solar utilization ability. alteration enhances efficiency charge separation optimizes Δ(H*) (free energy hydrogen adsorption) approach 0 eV for evolution reaction (HER). It is noteworthy that both surface-exposed Vs act active sites photocatalysis. exhibits significant H2 rate 1.01 mmol h–1 absence cocatalyst. performance exceeds majority previously reported photocatalysts, exhibiting approximately 25-fold ZnS, 5-fold H-CZS1–x with homogeneous distribution equal content Vs. In contrast G-CZS1–x, H adsorption on (ΔG(H*) = −1.22 eV) excessively strong inhibit release, relatively sluggish, revealing positive role model activity enhancement. work highlights synergy advancing photoactivity, well benefit controllable

Language: Английский

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Integration of Co Single Atoms and Ni Clusters on Defect-Rich ZrO₂ for Strong Photothermal Coupling Boosts Photocatalytic CO₂ Reduction

ACS Nano, Journal Year: 2024, Volume and Issue: 18(20), P. 13035 - 13048

Published: May 10, 2024

We report a solvothermal method for the synthesis of an oxygen vacancy-enriched ZrO2 photocatalyst with Co single atoms and Ni clusters immobilized on surface. This catalyst presents superior performance reduction CO2 in H2O vapor, CO yield reaching 663.84 μmol g–1 h–1 selectivity 99.52%. The total solar-to-chemical energy conversion efficiency is up to 0.372‰, which among highest reported values. success, one hand, depends both extended spectrum absorption serving as dual-active centers dissociation, respectively; other this attributed enhanced photoelectric thermal effect induced by concentrated solar irradiation. demonstrate that intermediate impurity state formed hybridization d-orbital single-atom molecular orbital H2O, enabling visible-light-driven excitation over catalyst. In addition, play crucial role altering adsorption configuration CO2, localized surface plasmon resonance enhancing activation dissociation visible–near-infrared light. study provides valuable insights into synergistic dual cocatalyst toward efficient photothermal coupling redox reactions reduction.

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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Double Z-scheme in SnO2/SnS2/Cu2SnS3 heterojunction for photocatalytic reduction of CO2 to ethanol

Journal of Material Science and Technology, Journal Year: 2024, Volume and Issue: 189, P. 146 - 154

Published: Jan. 12, 2024

Language: Английский

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Cr dopants and S vacancies in ZnS to trigger efficient photocatalytic H2 evolution and CO2 reduction

Journal of Material Science and Technology, Journal Year: 2024, Volume and Issue: 199, P. 75 - 85

Published: March 27, 2024

Language: Английский

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Atmosphere Engineering of Metal-Free Te/C3N4 p-n Heterojunction for Nearly 100% Photocatalytic Converting CO2 to CO

Advanced Powder Materials, Journal Year: 2024, Volume and Issue: unknown, P. 100243 - 100243

Published: Sept. 1, 2024

Language: Английский

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Synergistic effect of oxygen species and vacancy for enhanced electrochemical CO2 conversion to formate on indium oxide

eScience, Journal Year: 2024, Volume and Issue: 4(3), P. 100246 - 100246

Published: Feb. 2, 2024

Indium-based oxides are promising electrocatalysts for producing formate via CO2 reduction reaction, in which *OCHO is considered the key intermediate. Here, we identified that *COOH pathway could be preferential to produce on In2O3 of In/In2O3 heterojunction due synergistic effect oxygen species and vacancy. Specifically, *CO2 were observed related production by situ Raman spectroscopy. The theoretical calculations further demonstrated energy barrier formation was decreased presence vacancy, similar or lower than In surface. As a result, selectivity over 90% obtained prepared with 343 ± 7 mA cm–2 partial current density. Furthermore, when using Si-based photovoltaic as an supplier, 10.11% solar–to–fuel efficiency achieved.

Language: Английский

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