Color Revolution: Prospects and Challenges of Quantum‐Dot Light‐Emitting Diode Display Technologies

Z Chen, H Li, C Yuan, P Gao, Q Su, S Chen - Small Methods, 2024 - Wiley Online Library
Light‐emitting diodes (LEDs) based on colloidal quantum‐dots (QDs) such as CdSe, InP,
and ZnSeTe feature a unique advantage of narrow emission linewidth of≈ 20 nm, which …

Ultralow roll‐off quantum dot light‐emitting diodes using engineered carrier injection layer

Z Liao, K Mallem, MF Prodanov, C Kang… - Advanced …, 2023 - Wiley Online Library
Quantum dot (QD) light‐emitting diodes (QLEDs) have attracted extensive attention due to
their high color purity, solution‐processability, and high brightness. Due to extensive efforts …

Quantitative determination of charge accumulation and recombination in operational quantum dots light emitting diodes via time-resolved electroluminescence …

H Bao, C Chen, Y Cao, S Chang, S Wang… - The Journal of …, 2023 - ACS Publications
In this work, we report the quantitative determination of charge accumulation and
recombination in an operated QLED using time-resolved electroluminescence (TREL) …

Recent progress of metasurfaces in light-emitting diodes

XY Zeng, HY Hou, YQ Li, JX Tang - Applied Physics Reviews, 2024 - pubs.aip.org
Light-emitting diodes (LEDs) have been known as the most widely used light source in
lighting and displays for more than 60 years. There is still room for progress in the …

Time-Resolved Mechanism of Positive Aging in InP Quantum-Dot Light-Emitting Diodes

SY Joe, B Yoon, D Shin, WK Bae… - ACS Applied Materials …, 2024 - ACS Publications
Positive aging has been reported to be effective for enhancing electroluminescence
characteristics of quantum dot (QD) based optoelectrical devices. This study investigated the …

Suppressing Degradation in QLEDs via Doping ZnO Electron Transport Layer by Halides

DS Chung, Q Lyu, GF Cotella, P Chun… - Advanced Optical …, 2023 - Wiley Online Library
Recent findings show that electron transport layers (ETLs) significantly influence the
electroluminescence (EL) lifetime of quantum‐dot light‐emitting diodes (QLEDs). In this …

The fatigue effects in red emissive CdSe based QLED operated around turn-on voltage

X Zhang, H Bao, C Chen, X Wu, M Li, W Ji… - The Journal of …, 2023 - pubs.aip.org
The operational stability is a current bottleneck facing the quantum dot light-emitting diodes
(QLEDs). In particular, the device working around turn-on voltage suffers from unbalanced …

Gate Controlled Excitonic Emission in Quantum Dot Thin Films

IKMR Rahman, SZ Uddin, M Yeh… - Nano …, 2023 - ACS Publications
Formation of charged trions is detrimental to the luminescence quantum efficiency of
colloidal quantum dot (QD) thin films as they predominantly undergo nonradiative …

Single-Photon-Camera-Based Time and Spatially Resolved Electroluminescence Spectroscopy for Micro-LED Analysis

Y Cao, H Bao, L Peng, S Wang, L Bian, H Zhong - ACS Photonics, 2024 - ACS Publications
To investigate the operational mechanisms of micrometer-sized light-emitting diodes (micro-
LEDs), we here demonstrate a transient methodology of time and spatially resolved …

Electrically driven light emission from single quantum dots using pulsed MOS capacitors

V Wang, Q Lin, A Javey - Applied Physics Letters, 2023 - pubs.aip.org
Robust, nanoscale light-emitting devices are attractive for emerging photonic and quantum
engineering applications. However, conventional approaches suffer from fabrication …