Results 81 to 90 of about 12,806 (266)

Effect of Sintering Temperature on Phase Evolution and Oil-Repellent Performance of TiO2–Carbon-Coated Stainless-Steel Mesh

open access: yesSeparations
This study investigates how sintering temperature affects phase evolution, titanium carbide (TiC) formation, and oil-repellent performance in TiO2–carbon-coated 304 stainless-steel mesh for oil–water separation applications. Coated meshes sintered at 400,
Kayla Laguana   +6 more
doaj   +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

Breaking the Activity–Stability Scaling in RuO2 via Single‐ and Dual‐Doping Strategies

open access: yesEcoEnergy, EarlyView.
Single and dual heteroatom doping redefines RuO2 for acidic oxygen evolution by synergistically tuning the electronic structure, lattice stability, and reaction pathways. Although single dopants optimize specific catalytic properties, dual dopants overcome the activity–stability trade‐off through cooperative electronic and geometric regulation ...
Ashish Gaur   +4 more
wiley   +1 more source

Lattice and Surface Engineering of Transition Metal Oxide Photoanodes for Efficient Photoelectrochemical Water Splitting

open access: yesEcoEnergy, EarlyView.
This review highlights phase control, facet control, and atomic vacancy engineering as key strategies to enhance charge transport, light harvesting, and surface activity in PEC photoanodes. ABSTRACT Photoelectrochemical (PEC) water splitting is a promising approach for converting solar energy into hydrogen, yet the performance of transition metal oxide
Seonmi Ko   +5 more
wiley   +1 more source

Metasomatism and Mélange Development at the Conditions of Modern Deep Slow Slip: P‐T‐t Evolution of Metasomatic Rocks (Pimu'nga/Santa Catalina Island, CA)

open access: yesGeochemistry, Geophysics, Geosystems
The subduction interface hosts megathrust earthquakes and ductile creep, is fluid‐rich and chemically dynamic, and produces metasomatic rocks that may host episodic tremor and slow slip (ETS).
W. Hoover   +5 more
doaj   +1 more source

Constructing Interface‐Enhanced S‐Heterojunctions Via Surface Functionalization Strategies to Improve Photocatalytic Hydrogen Production Efficiency in Inorganic/Organic Composite Systems

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A surface in situ growth strategy was employed to fabricate a COF/TiO2 S‐scheme heterojunction with enhanced interfacial forces. This enhanced interfacial heterojunction significantly improved photocatalytic hydrogen production capacity. S‐scheme heterojunctions play a crucial role in enhancing charge‐carrier separation efficiency and redox capability.
Xinhui Jiang   +7 more
wiley   +1 more source

Interplanar Potential Difference‐Mediated Efficient Charge Separation in SrLi2Ti6O14 Towards Optimized Photocatalytic Hydrogen Evolution

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
The periodic quantum well formed by alternative stacking of SrO and LTO layers facilitates efficient photoinduced charge separation and thus significantly improves its photocatalytic hydrogen production performance. SrLi2Ti6O14 porous microspheres (SLTO PMSs) and SrLi2Ti6O14/TiO2 hollow sphere heterojunctions (SLTO/TiO2 HSs) are fabricated via ...
Nan Zhao   +6 more
wiley   +1 more source

Single Atom‐Modified TiO2‐Based Catalysts for Photoelectrochemical Water Splitting: From Fundamentals to Future Prospects

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Hydrogen and oxygen generated from water splitting process by photoelectrocatalysis of single atom modified TiO2 based photoelectrocatalysts. The accelerating demand for green hydrogen has intensified the development of efficient and durable photoelectrocatalysts (PECs) for sustainable water splitting.
Zichu Zhao   +2 more
wiley   +1 more source

Durable Thin‐Film Porous Transport Electrodes for High Current Density PEM Water Electrolysis

open access: yesAdvanced Science
Proton exchange membrane water electrolyzers rely on relatively expensive Ir‐based catalysts for efficient and durable hydrogen production. To reduce system costs, Ir loadings can be reduced if performance and durability are maintained.
James L. Young   +18 more
doaj   +1 more source

Elementary Steps of Energy Conversion in Strongly Correlated Systems: Beyond Single Quasiparticles and Rigid Bands

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This article reviews the fundamental consequences of strong correlations on excitations and elementary steps of energy conversion leading to new opportunities to control energy conversion. Examples include friction at surfaces, thermal transport, and photovoltaic energy conversion.
Vasily Moshnyaga   +14 more
wiley   +1 more source

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