Results 121 to 130 of about 366,390 (306)

Unraveling Mechanisms and Engineering Strategies for Superior Photocarrier Dynamics Toward Efficient Photocatalysis

open access: yesEcoEnergy, EarlyView.
Despite its potential, photocatalysis is limited by inefficient charge carrier separation and transport. This article reviews the mechanisms, characterization methods, and strategies for improvement, concluding with future challenges in the field. ABSTRACT Photocatalysis offers a promising solution to environmental and renewable energy issues. However,
Leqi Cheng   +5 more
wiley   +1 more source

Effect of MnFe2O4 magnetic nanoparticle addition rate on the structure and properties of magnetic hollow hydroxyapatite microspheres

open access: yesFrontiers in Nanotechnology
Magnetic hollow hydroxyapatite (HAp) microspheres have demonstrated great potential for biomedical applications and pollution treatment. However, it remains unclear how the rate of magnetic nanoparticle addition during synthesis affects the material’s ...
Mayifei Rong   +4 more
doaj   +1 more source

Structure and properties of masonry mortars based on ceramic microspheres

open access: yesMATEC Web of Conferences, 2018
Modern requirements in the field of energy and resource saving determines the need to apply effective fencing structures. To ensure the thermal homogeneity of the structures erected with small-piece masonry elements (ceramic and light-weight concrete ...
Semenov Vyacheslav
doaj   +1 more source

Flower‐Like Hollow Structure Cocatalyst of Amorphous CoZnPx With Strong Capacitance for Simultaneous Photocatalytic Hydrogen and Acetic Acid Evolution

open access: yesEcoEnergy, EarlyView.
An amorphous nanoflower‐like hollow‐structured cocatalyst CoZnPx‐H is developed and shows strong capacitance catalysis to significantly enhance the photocatalytic H2 and acetic acid evolution simultaneously. ABSTRACT Cocatalyst structure is crucial for optimizing the utilization of photogenerated charge carriers to enhance photocatalytic efficiency ...
Lingxiao Song   +8 more
wiley   +1 more source

XRD and EDS Investigations of Metal Matrix Composites and Syntactic Foams [PDF]

open access: yes, 2008
Metal matrix composites (MMCs) of different composition were produced and investigated by X-ray diffraction (XRD) and energy dispersive spectrometry (EDS) analysis.
Dobránszky, János   +2 more
core  

Thermochromic Radiative Cooling Coatings with Robust Superhydrophobicity for Energy‐Efficient Buildings

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A scalable, color‐adaptive radiative cooling coating is developed to enable dynamic spectral regulation via a reversible thermochromic transition at ~45 °C and a high solar reflectance of 91.7%. The coating achieves 4.44 °C outdoor sub‐ambient cooling while providing robust superhydrophobicity and environmental durability through its micro/nano ...
Ziqi Li   +8 more
wiley   +1 more source

Highly Permeable CeO2 Porous Hollow Microspheres with Multilevel Gas Channels for Rapid NH3 Gas Response and Recovery Performance

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
In this study, a series of highly permeable CeO2 porous hollow microspheres with multilevel gas channels and tunable pore sizes were first prepared via the hydrothermal method, achieving rapid response and fast recovery to ammonia gas. Fast response and recovery performance is highly significant for real‐time monitoring of NH3 gas due to the toxic and ...
Mengke Li   +11 more
wiley   +1 more source

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