Results 61 to 70 of about 5,439,643 (173)

Synergistic Regulation of Defect Density and Electronic Structure in Zr‐Metal‐Organic Frameworks via Selective Ligand Pyrolysis for Efficient Photocatalytic Biomass Conversion

open access: yesCarbon Energy, EarlyView.
This work synergistically regulates the electronic structure, active sites, and carrier dynamics of MOFs through defect engineering, providing a new paradigm for designing high‐efficiency photocatalysts for liquid biomass conversion and promoting the development of sustainable biofuel technologies.
Lin Ban   +6 more
wiley   +1 more source

A Convergent Materials Design Paradigm Across Electro‐ and Photocatalysis for Sustainable Hydrogen Peroxide Production

open access: yesCarbon Energy, EarlyView.
This review outlines advanced modification strategies for electrocatalytic and photocatalytic H2O2 production, covering bandgap tuning, defect engineering, heterostructure construction, cocatalyst loading, and functional framework design. Structure‐performance correlations are revealed across catalysts such as metal oxides, sulfides, carbon nitrides ...
Na Li   +9 more
wiley   +1 more source

Impact of A‐Site Sr Substitution in LaFeO3 on Syngas Selectivity During Chemical Looping Dry Reforming of Methane (CL‐DRM)

open access: yesChemistry – A European Journal, EarlyView.
Sr doping regulates oxygen exchange and methane activation in LaFeO3, suppressing nonselective CH4 cracking and coke formation during CL‐DRM. La0.7Sr0.3FeO3 provides the optimal balance, delivering ∼40% CH4 conversion, an H2/CO ratio of 2, and >95% carbon balance.
Ganesh Jabotra   +8 more
wiley   +1 more source

Coupling Selective Organic Oxidation With Hydrogen Evolution Over Metal Halide Perovskite Photocatalysts: Halide‐Dependent Design, Mechanisms, and Stability Challenges

open access: yesEcoEnergy, EarlyView.
This Review highlights how metal halide perovskites enable coupled selective organic oxidation and hydrogen evolution under visible light. It summarizes halide‐dependent design principles, surface engineering strategies, reaction mechanisms, and stability challenges, providing guidance for developing efficient and durable photocatalytic systems ...
Jutarat Jitrada   +4 more
wiley   +1 more source

Oxygen Vacancy‐Engineered S‐Scheme FeOOH/Ov‐BiVO4 Heterojunction: Interfacial Charge Dynamics Optimization and Pathogenic Polypeptide Aggregates Degradation

open access: yesEcoEnergy, EarlyView.
By integrating interfacial oxygen vacancies and cone‐shaped FeOOH, a highly efficient S‐scheme FeOOH/Ov‐BiVO4 photoanode was constructed. This dual‐strategy significantly accelerates charge transfer and enhances reactant adsorption, achieving outstanding photoelectrochemical degradation of pathogenic amyloid β‐polypeptide aggregates.
Xinshang Li   +7 more
wiley   +1 more source

Interface‐Engineered MXene/g‐C3N4 Heterostructures for Energy and Environmental Applications

open access: yesEcoEnergy, EarlyView.
This review highlights how interface engineering in MXene/g‐C3N4 heterostructures regulates charge transfer, band alignment, and surface chemistry, enabling broad applications in photocatalytic conversion, environmental remediation, energy storage, and multifunctional sensing/therapy. ABSTRACT Two‐dimensional MXene/g‐C3N4 heterostructures have recently
Feng Wang, Geng Liu, Xiaoqiang An
wiley   +1 more source

Enhanced Photocatalytic Antibiotic Micropollutants Removal Resulting From a Synergism Between Cu Single Atoms and Carbon Vacancies on Graphitic Carbon Nitride

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Scheme of the synergistic degradation for antibiotic micropollutants in the Cu/ag‐C3N4 system. Photocatalytic processes driven by visible‐light irradiation offer a sustainable means of micropollutants removal from aquatic environments without the addition of reagents.
Xiaozhe Song   +12 more
wiley   +1 more source

Natural Anthraquinone‐Like Compound Extracted from Green Husk of Walnut Improves Photocatalytic H2O2 Production Catalyzed by TiO2 Nanoparticles

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
In this work, a novel biomolecule/semiconductor hybrid catalyst was prepared by loading anthraquinone‐liked juglone onto anatase TiO2. This catalyst exhibited high photocatalytic activity for H2O2 production. Hydrogen peroxide (H2O2) is a vital oxidant with broad industrial applications, and its production via photocatalysis represents a highly ...
Zengyin He   +4 more
wiley   +1 more source

Effect of Tb3+ ions on X-ray-induced defect formation in phosphate containing glasses

open access: yes, 2002
The study of radiation-induced defect formation in glasses is of growing interest for applications in optics and photonics. The influence of Tb3+ ions on X-ray-induced defects has been examined in glasses with different phosphate contents.
Ebendorff-Heidepriem, H.   +3 more
core   +1 more source

d‐Orbital Electron Spin Polarization Field Inhibits Photo‐Generated Carrier Recombination for Panel Photoelectrocatalysis

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A solution‐processable sub‐nanocrystal of metal coordinated conjugated reticular oligomer with spin polarization functionality is employed as an active layer in planar photoelectrochemical water splitting. The rapid recombination of photo‐generated carriers remains a critical challenge limiting the photo‐electrocatalytic water splitting performance in ...
Ruijuan Zhang   +6 more
wiley   +1 more source

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