Results 31 to 40 of about 284 (137)
Recent progress and challenges in top‐emitting quantum dot light‐emitting diodes
This review summarizes recent advances in top‐emitting quantum‐dot light‐emitting diodes (TE‐QLEDs), including device architectures, microcavity engineering, angular‐emission management, and operational stability, highlighting optical–electrical–thermal co‐optimization as the key pathway toward reliable, high‐performance TE‐QLEDs. Abstract Top‐emitting
Chengyi Chen +6 more
wiley +1 more source
Tin‐based perovskite light‐emitting diodes: Progress and perspective
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
Boosting the efficiency of inverted quantum dot light-emitting diodes by balancing charge densities and suppressing exciton quenching through band alignment. [PDF]
We report an inverted and multilayer quantum dot light emitting diode (QLED) which boosts high efficiency by tuning the energy band alignment between charge transport and light emitting layers.
Lei, Wei +9 more
core +4 more sources
MXenes in Next‐Generation Light‐Emitting Diodes: Innovations, Challenges, and Future Prospects
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
Iodide capped PbS/CdS core-shell quantum dots for efficient long-wavelength near-infrared light-emitting diodes [PDF]
PbS based quantum dots (QDs) have been studied in great detail for potential applications in electroluminescent devices operating at wavelengths important for telecommunications (1.3–1.6 μm).
Sun, Handong +13 more
core +1 more source
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
Light extraction efficiency enhancement of colloidal quantum dot light-emitting diodes using large-scale nanopillar arrays [PDF]
A colloidal quantum dot light-emitting diode (QLED) is reported with substantially enhanced light extraction efficiency by applying a layer of large-scale, low-cost, periodic nanopillar arrays. Zinc oxide nanopillars are grown on the glass surface of the
Hilmi Volkan Demir +31 more
core +1 more source
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
Zero‐dimensional carbon nanomaterials are presented as multifunctional platforms linking structure, property, and sensing performance. Surface engineering and heteroatom doping modulate electron‐transfer and luminescent behavior, enabling electrochemical, photoluminescent, and electrochemiluminescent detection. Fundamental design principles, analytical
Gustavo Martins +8 more
wiley +1 more source
The commercialization of self-emissive quantum dot light-emitting diode (QLED) faces several critical challenges. A primary obstacle is the reliance on acid-induced positive aging protocols using UV-curable resin to enhance device efficiency and ...
Xiang-Bing Fan +10 more
doaj +1 more source

