Results 101 to 110 of about 434 (197)

Three‐Dimensionally Interconnected Silver Nanowire Membrane for Efficient and Selective Electroreduction of Carbon Dioxide to Carbon Monoxide

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A self‐supported 3D interconnected Ag nanowire membrane (3D‐ICAg) is fabricated via confined electrodeposition and serves as a binder‐free electrocatalyst for CO2RR, achieving a maximum FECO of 97.28% and a high current density of 59.06 mA cm−2 due to the abundant exposed active sites, efficient electron transport pathways, and rapid mass transfer ...
Pengxiang Wang   +8 more
wiley   +1 more source

Graphene oxide/exfoliated black phosphorus van der Waals heterojunctions for PEDOT:PSS‐free‐based organic light‐emitting diodes achieving excellent electroluminescence performance

open access: yesFlexMat, EarlyView.
A novel two‐dimensional heterojunction assembled from graphene oxide and exfoliated black phosphorus via van der Waals interactions is proposed to replace widely used poly(3,4‐ethylenedioxythiophene)‐polystyrene sulfonate for efficient hole injection layer in organic light‐emitting diodes, achieving impressive electroluminescence performance.
Yuefeng Li   +9 more
wiley   +1 more source

Tin‐based perovskite light‐emitting diodes: Progress and perspective

open access: yesInfoScience, EarlyView.
This review assesses tin‐based perovskite light‐emitting diodes (PeLEDs), focusing on the limitations of Sn2+ oxidation–induced defects and uncontrolled crystallization. By evaluating advanced device engineering and structural innovations, this article highlights their viability in narrowband pure‐red displays and near‐infrared optical communication ...
Wenhao Bai   +7 more
wiley   +1 more source

MXenes in Next‐Generation Light‐Emitting Diodes: Innovations, Challenges, and Future Prospects

open access: yesLaser &Photonics Reviews, EarlyView.
This review provides a systematic and critical overview of MXene integration in LEDs from their synthesis strategies and electronic characteristics to their roles as electrodes, interlayers, and emissive materials. It also explores the emerging prospects and challenges for MXene‐enabled flexible, transparent, and intelligent display technologies that ...
Awais Ali   +9 more
wiley   +1 more source

Identifying Suitable Front Contacts for High‐Efficiency Cd(Se,Te) Solar Cells on Space‐Qualified Cover Glass

open access: yesProgress in Photovoltaics: Research and Applications, EarlyView.
Front contact selection governs interfacial stability in CdTe‐based (Cd(Se,Te)) solar cells on ultra‐thin space‐qualified cover glass. Optimized TCO/emitter combinations suppress interdiffusion and deliver up to 16.2% AM0 efficiency with high specific power, demonstrating strong potential for lightweight space photovoltaics.
Aesha P. Patel   +17 more
wiley   +1 more source

From Flybys to Sample Return: A Review of Space Probes and Robotic Sampling Technologies for Small Bodies

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT As a crucial puzzle piece of deep space exploration, exploring small bodies can provide significant scientific insights and valuable mineral resources. Unlike missions to the Moon and Mars, small‐body missions pose distinct technical challenges, including communication delays, weak gravity, and uncertain environments. This paper reviews a full
Xin Zhang   +3 more
wiley   +1 more source

ESPECTRÓMETRO PARA LA DETECCIÓN DE ESTRUCTURA FINA EN ESPECTROSCOPIA DE UMBRAL DE IONIZACIÓN

open access: yesAnales (Asociación Física Argentina), 2013
Se describe el diseño y construcción de un espectrómetro para la detección de la estructura fina en AEAPS (Auger Electron Appearance Potential Spectroscopy).
J L del Barco, R H Buitrago
doaj  

Assessment and Replication of Surface Analysis Results Require Knowing How a Sample Was Handled: Summary of ISO Standard 20579 Part 2, Documenting and Reporting the Preparation and Mounting of Specimens for Analysis

open access: yesSurface and Interface Analysis, EarlyView.
ABSTRACT Documentation of sample handling and preparation methods at every step prior to and during surface analysis is critical to the reliability and reproducibility of surface analysis data. Yet, these data are often not adequately reported in the literature and may not be documented at all.
Donald R. Baer   +3 more
wiley   +1 more source

The Effect of Alloying Elements and Impurities on the Composition and Formation of Intermetallic Particles in Titanium and Titanium Alloys

open access: yesSurface and Interface Analysis, EarlyView.
ABSTRACT The corrosion resistance of alpha and near‐alpha titanium alloys has resulted in their widespread application in extreme environments. Their corrosion behavior is often influenced by their microstructure, particularly intermetallic particles (IMPs), and even slight compositional variations can produce significant differences in microstructure ...
Adam M. Morgan   +3 more
wiley   +1 more source

Revealing Structure–Property Coupling During Thermal Conversion of Metal–Organic Frameworks

open access: yesSmall, EarlyView.
Multifrequency atomic force microscopy (AFM) combined with hybrid density functional theory (DFT) and complementary spectroscopic techniques uncovers transient nanoscale states during Cu‐BTC MOF conversion. Intermediate Cu2O/CuO‐carbon nanocomposites maximize mechanical robustness and functionality, while fully oxidized porous CuO enhances light ...
Gourav Bhattacharya   +8 more
wiley   +1 more source

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