Results 341 to 350 of about 2,029,405 (397)

MXene‐Engineered Cs2AgBiBr6 Perovskite Solar Cells: Rational Screening and Interfacial Dynamics for Lead‐Free Photovoltaics

open access: yesAdvanced Science, EarlyView.
The first strategic screening of M2X‐type MXenes for heterojunction design with Cs2AgBiBr6 is investigated by theory and experimental validation, revealing the role of transition metal layers, surface terminations, and work functions in enhanced photovoltaic performances.
Lin Yang   +10 more
wiley   +1 more source

Sustainable Electrochemical Strategy for Selective Double Bond Oxidation in the Presence of Aldehyde Groups with Mo─N─O Catalysts

open access: yesAdvanced Science, EarlyView.
In this work, an electrochemical strategy employing hydroperoxyl radicals and a molybdenum‐based catalyst (Mo─N─O) enables selective double‐bond oxidation in cinnamaldehyde, preserving aldehyde integrity. Under mild, energy‐efficient conditions (−200 mA), this approach converts cinnamaldehyde to benzaldehyde with complete conversion (100%) and >99 ...
Zhirong Li   +12 more
wiley   +1 more source

CsPbBr3 Perovskite‐Based Heterostructures in Photocatalysis: Mechanisms, Stability, and Multifunctional Performance

open access: yesAdvanced Science, EarlyView.
This review synthesizes breakthroughs in CsPbBr3 heterostructure photocatalysis: 1) Mechanistic insights on band alignment engineering (Type‐II/Z/S‐scheme) for suppressed charge recombination; 2) Stabilization strategies via interfacial encapsulation and defect passivation overcoming hydrolysis; 3) Multifunctional design principles enabling efficient ...
Kuanxin Lv   +5 more
wiley   +1 more source
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Synchrotron Radiation

, 2021
Learn about the properties of synchrotron radiation and its wide range of applications in physics, materials science and chemistry with this invaluable reference. This thorough text describes the physical principles of the subject, its source and methods
D. P. Woodruff
semanticscholar   +1 more source

Belok/XSA Diffraction Beamline for Studying Crystalline Samples at Kurchatov Synchrotron Radiation Source

Crystal research and technology (1981), 2020
Introduction of “Belok/XSA” beamline‐modernization is presented here with commissioning of a modern synchrotron beamline with unique capabilities for the structural analysis of single and polycrystalline samples.
R. Svetogorov   +2 more
semanticscholar   +1 more source

Tuning 2D MXenes by Surface Controlling and Interlayer Engineering: Methods, Properties, and Synchrotron Radiation Characterizations

Advanced Functional Materials, 2020
MXenes, layered transition metal carbides/nitrides, have already received considerable attention in various research areas including but not limited to energy storage/conversion and photo/electrocatalysis.
Changda Wang, Shuangming Chen, L. Song
semanticscholar   +1 more source

Mammography with synchrotron radiation.

Radiology, 1995
To determine the feasibility of using synchrotron radiation (SR) in diagnostic mammography.Monochromatic SR of x-ray beams of selected energies of 14-20 keV were used to obtain mammograms of surgically removed breast specimens that contained tumor nodules.
BURATTINI E   +8 more
openaire   +3 more sources

On synchrotron radiation

Journal of Physics D: Applied Physics, 2000
We study the synchrotron radiation properties in a nondispersive medium for the case when the charge velocity is smaller or greater than the light velocity in the medium. We show that the space distribution of synchrotron radiation has a spiral-like structure at a fixed moment of laboratory time.
G N Afanasiev   +2 more
openaire   +2 more sources

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