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 …

Eliminating Chlorine Vacancies of Perovskite Nanocrystals Using Hydrazine Cations Enables Efficient Pure Blue Light-Emitting Diodes

L Ma, X Li, X Li, J Song, Y Nong, J Huang… - ACS Energy …, 2024 - ACS Publications
Mixed Br/Cl-perovskite nanocrystals (Pe-NCs) CsPbBr x Cl3–x, synthesized at room
temperature (RT), offer several advantages for use in light-emitting diodes (LEDs), including …

Has the perovskite LED stability problem been solved?

MU Ali, AU Rehman, AB Djurišić - Journal of Materials Chemistry C, 2024 - pubs.rsc.org
Significant progress in the stability of metal halide perovskite light emitting diodes (LEDs)
has been made in recent years, with impressive increases in record lifetimes. However, a …

Mitigating bulk halide defects in blue-emissive perovskite nanocrystals using benzoyl halides for efficient light-emitting diodes

A Lee, J Kim, WH Jeong, JH Park, D Kim… - Chemical Engineering …, 2024 - Elsevier
While recent advances have demonstrated highly efficient and stable perovskite light-
emitting diodes (LEDs), blue perovskite LEDs still show low performance compared to …

Role of Br–Cl distribution uniformity on the spectral stability of blue emitting mixed-halide perovskites

D Chen, Y Mao, X Huang, J Zhao, Z Zhang… - Journal of Materials …, 2025 - pubs.rsc.org
One of the commonly-held beliefs in quasi-two-dimensional (quasi-2D) bromo–chloride (Br–
Cl) mixed-halide perovskite light-emitting diodes (PeLEDs) is that defects are responsible for …

Lattice Stabilized and Emission Tunable Pure‐Bromide Quasi‐2D Perovskite for Air‐Processed Blue Light‐Emitting Diodes

Y Guo, P Yang, F Dong, H Li, J Gao, Z Cheng… - Advanced …, 2024 - Wiley Online Library
Realizing air‐processed blue halide perovskite films with tailored emission is significant for
promoting the commercialization of perovskite light‐emitting diodes (PeLEDs). However, the …

Time-resolved Photoelectron Spectroscopy of Lead Halide Perovskites

B Kammlander - 2024 - diva-portal.org
Faculty of Science and Technology 2463. 87 pp. Uppsala: Acta Universitatis Upsaliensis.
ISBN 978-91-513-2281-0. Lead halide perovskites are promising for applications such as …