Stability of perovskite light‐emitting diodes: existing issues and mitigation strategies related to both material and device aspects

L Kong, X Zhang, C Zhang, L Wang, S Wang… - Advanced …, 2022 - Wiley Online Library
Metal halide perovskites combine excellent electronic and optical properties, such as defect
tolerance and high photoluminescence efficiency, with the benefits of low‐cost, large‐area …

Highly efficient blue light-emitting diodes based on mixed-halide perovskites with reduced chlorine defects

Y Gao, Q Cai, Y He, D Zhang, Q Cao, M Zhu, Z Ma… - Science …, 2024 - science.org
Perovskite light-emitting diodes (PeLEDs) provide excellent opportunities for low-cost, color-
saturated, and large-area displays. However, the performance of blue PeLEDs lags far …

Blue halide perovskite materials: preparation, progress, and challenges

K Zhang, LX Cao, Y Tang, Y Yu, Y Shen… - Laser & Photonics …, 2023 - Wiley Online Library
Halide perovskite materials are emerging as a new promising semiconductor display
material owing to their excellent optical and electrical properties. Highly efficient blue …

Enriched‐bromine surface state for stable sky‐blue spectrum perovskite QLEDs with an EQE of 14.6%

H Zhu, G Tong, J Li, E Xu, X Tao, Y Sheng… - Advanced …, 2022 - Wiley Online Library
Halogen vacancies are of great concern in blue‐emitting perovskite quantum‐dot light‐
emitting diodes because they affect their efficiency and spectral shift. Here, an enriched …

Low‐Dimensional Phase Regulation to Restrain Non‐Radiative Recombination for Sky‐Blue Perovskite LEDs with EQE Exceeding 15%

B Wang, YH Zhou, S Yuan, YH Lou… - Angewandte …, 2023 - Wiley Online Library
Achieving efficient blue electroluminescence (EL) remains the fundamental challenge that
impedes perovskite light‐emitting diodes (PeLEDs) towards commercial applications. The …

Fluorine Passivation Inhibits “Particle Talking” Behaviors under Thermal and Electrical Conditions of Pure Blue Mixed Halide Perovskite Nanocrystals

W Zhan, M Liu, Q Wan, M He, Q Zhang, X Liao, C Yuan… - Small, 2023 - Wiley Online Library
Owing to outstanding optoelectronic properties, lead halide perovskite nanocrystals (PNCs)
are considered promising emitters for next‐generation displays. However, the development …

Boosting External Quantum Efficiency of Blue Perovskite QLEDs Exceeding 23% by Trifluoroacetate Passivation and Mixed Hole Transportation Design

Y Nong, J Yao, J Li, L Xu, Z Yang, C Li… - Advanced …, 2024 - Wiley Online Library
Perovskite quantum dot‐based light‐emitting diodes (QLEDs) have been considered a
promising display technology due to their wide color gamut for authentic color expression …

Synergistic Steric Effect of Precursor And Antisolvent Enables Strongly Confined Perovskite Films with Efficient and Spectral Stable Blue Emission

H Qi, Y Tong, X Zhang, H Wang, Z Fang… - … Applied Materials & …, 2024 - ACS Publications
Reducing the crystal size of perovskites to the strong quantum confinement regime is an
effective way to realize blue luminescence for light-emitting applications. However …

What Can Glow Discharge Optical Emission Spectroscopy (GD‐OES) Technique Tell Us about Perovskite Solar Cells?

D Zheng, P Volovitch, T Pauporté - Small Methods, 2022 - Wiley Online Library
The emerging broad range of applications of the glow discharge optical emission
spectroscopy (GD‐OES) technique in the field of perovskite solar cells (PSCs) research is …

Co-regulation strategy dominated by double short molecules permitting the regrowth of quantum dots for efficient deep-blue perovskite light-emitting diodes

Z Qin, S Wang, Y Zhu, L Yuan, X Zhang, X Li, H Liu - Nano Energy, 2024 - Elsevier
Recently, blue perovskite quantum dots (PeQDs) have garnered considerable attention for
use in full-color optoelectronic displays. However, the large specific surface area caused by …