Results 31 to 40 of about 4,538,926 (115)
Controllable photoelectric dual-output artificial light-emitting synapse device
Gongneng cailiao yu qijian xuebaoArtificial synapse devices serve as a critical hardware foundation for neuromorphic computing. However, traditional devices predominantly rely on single electrical regulation, which limits the intuitive acquisition of synaptic weights and lacks ...
Jiajun XIONG, Gengxu CHEN
doaj +1 more source
Tin‐based perovskite light‐emitting diodes: Progress and perspective
InfoScience, Volume 3, Issue 3, September 2026.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
Planar Photonic Crystal Nanocavities with Active Quantum Nanostructures [PDF]
, 2004 Extreme photon localization is applicable to constructing building blocks in photonic systems and quantum information systems. A finding fact that photon localization in small space modifies the radiation process was reported in 1944 by Purcell, and ...
Yoshie, Tomoyuki
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MXenes in Next‐Generation Light‐Emitting Diodes: Innovations, Challenges, and Future Prospects
Laser &Photonics Reviews, Volume 20, Issue 17, 3 September 2026.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
Thin-film photonic crystal LEDs with enhanced directionality [PDF]
, 2009 The use of photonic crystals for light extraction from light-emitting diodes (LEDs) gives the possibility to shape the farfield emission pattern. This is of particular interest for étendue-limited LED applications that require a more directional ...
Bergenek, Krister +8 more
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Color‐Pure and Stable Amber Perovskite Quantum Dot Films With Dramatically Enhanced Light Extraction
Small Structures, Volume 7, Issue 9, September 2026.The amber gap, the low emission efficiency of amber light in white light‐emitting diodes (WLEDs), is addressed here through amber perovskite quantum dots (APQDs) with 84% photoluminescence quantum yield (PLQY). Embedding hexagonal boron nitride (h‐BN) particles within the APQD/polymethyl methacrylate (PMMA) matrix redirects light trapped in waveguide ...
Kavya Nair Jayakumaran +4 more
wiley +1 more source
Resonant energy transfer in light harvesting and light emitting applications
, 2009 The performance of light emitting and light harvesting devices is improved by utilising resonant energy transfer. In lighting applications, the emission energy of a semiconductor heterostructure and the absorption of organic dyes or colloidal quantum ...
Chanyawadee, Soontorn
core +2 more sources
Ultrafast dynamics in InAs quantum dot and GaInNAs quantum well semiconductor heterostructures [PDF]
, 2007 The quantum confined Stark effect (QCSE) and ultrafast absorption dynamics near the bandedge have been investigated in p-i-n waveguides comprising quantum confined heterostructures grown on GaAs substrates, for emission at 1.3um.
Malins, David B
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Advanced Photonics Research, Volume 7, Issue 8, August 2026.This study introduces top‐emission shortwave infrared light‐emitting diodes utilizing colloidal PbS quantum dots on silicon substrates. By integrating optimized transparent electrodes within a resonant microcavity, the devices achieve highly directional emission and exceptional thermal management, yielding a record‐high radiance exceeding 100 W sr−1 m ...
Aditya Malla +4 more
wiley +1 more source
Advanced Optical Materials, Volume 14, Issue 28, 24 July 2026.A crosslinkable hole injection layer (HIL) is developed by incorporating the TPFB p‐type dopant into a VNPB host, which produces a robust network upon annealing at 200°C. When integrated into QLED devices, this engineered HIL significantly suppresses leakage current and enhances charge balance, remarkably improving the external quantum efficiency ...
Juwan Lee +7 more
wiley +1 more source