Colloidal II–VI nanoplatelets for optoelectronic devices: Progress and perspectives

A Hu, L Ma, X Yang, Y Yao, Y Zhu, J Qiu, S Wang, C Lu… - Nano Research, 2024 - Springer
Abstract Colloidal II–VI nanoplatelets (NPLs) are solution-processable two-dimensional (2D)
quantum dots that have vast potential in high-performance optoelectronic applications …

High‐Performance Green and Blue Light‐Emitting Diodes Enabled by CdZnSe/ZnS Core/Shell Colloidal Quantum Wells

Y Zhu, X Lu, J Qiu, P Bai, A Hu, Y Yao, Q Liu… - Advanced …, 2024 - Wiley Online Library
The unique anisotropic properties of colloidal quantum wells (CQWs) make them highly
promising as components in nanocrystal‐based devices. However, the limited performance …

High-Efficiency and Stable Colloidal One-Dimensional Core/Shell Nanorod Light-Emitting Diodes

Y Zeng, S Ma, F Cao, W Chen, Q Wang, G **… - Nano Letters, 2024 - ACS Publications
Anisotropic nanocrystals such as nanorods (NRs) display unique linearly polarized
emission, which is expected to break the external quantum efficiency (EQE) limit of quantum …

22% Record Efficiency in Nanorod Light‐Emitting Diodes Achieved by Gradient Shells

Y Zeng, X Liu, Y Liu, W Chen, F Liu, H Li - Advanced Materials, 2024 - Wiley Online Library
The external quantum efficiency (EQE) in light‐emitting diodes (LEDs) based on isotropic
quantum dots has approached the theoretical limit of close to 20%. Anisotropic nanorods …

Gradient Alloy Shell Enabling Colloidal Quantum Wells Light-Emitting Diodes with Efficiency Exceeding 22%

G Ba, Y Yang, F Huang, J Wang, Y Lu, J Li… - Nano Letters, 2024 - ACS Publications
Colloidal quantum well (CQW) based light emitting diodes (LEDs) possess extra-high
theoretical efficiency, but their performance still lags far behind conventional LEDs due to …

Improved Efficiency and Stability in Pure‐Red CdSe Nanoplatelet LEDs Enabled by Gradient Alloyed CdSeS/CdZnS Crown/Shell

Y Zeng, W Yu, Y Liu, W Chen, Q Wang… - Advanced …, 2024 - Wiley Online Library
Anisotropic nanoplatelets (NPLs) possess strong in‐plane transition dipole moments and
out‐of‐plane emission, which enable a maximum photon out‐coupling efficiency of 40% and …

Orientation‐Dependent Photoconductivity of Quasi‐2D Nanocrystal Self‐Assemblies: Face‐Down, Edge‐Up Versus Randomly Oriented Quantum Wells

MA Ibrahem, M Waris, MR Miah, F Shabani… - Small, 2024 - Wiley Online Library
Here, strongly orientation‐dependent lateral photoconductivity of a CdSe monolayer
colloidal quantum wells (CQWs) possessing short‐chain ligands is reported. A controlled …

Efficient Lasing Enabled by Enhanced Light-Matter Interaction through Aligned Nanoplatelets in Resonators

H Zhao, C Wang, C Lyu, X Zhao, B Sun, Y Gao - ACS Photonics, 2024 - ACS Publications
Colloidal quantum dots (CQDs) are promising optical gain media distinguished by their
narrow emission spectra and adaptable wavelengths. However, their isotropic nature often …

Emergence of colloidal quantum well-based optoelectronics

W Fang, J Yu, S Liao, H Gao, X Li, B Liu - Cell Reports Physical Science, 2024 - cell.com
In the realm of optoelectronic materials, two-dimensional colloidal quantum wells (CQWs)
have recently risen as a highly promising candidate for optoelectronics thanks to their …

36‐2: Pure‐blue Emissive Perovskite Nanoplatelets with Face‐down Orientation

N Oshita, S Asakura, M Kashiwagi… - SID Symposium Digest …, 2024 - Wiley Online Library
Lead trihalide PeNPLs (perovskite nanoplatelets) have attracted attention as next‐
generation optical materials owing to their excellent properties. Herein, we report quantum …