Heavy metal-free colloidal quantum dots: preparation and application in infrared photodetectors

X Zhang, G Mu, Y Zhang, Y Jiang, Y Yan - Journal of Materials …, 2024 - pubs.rsc.org
The development of infrared photodetectors is increasingly moving towards the realization of
large-scale, cost-effective integrated systems. Currently, silicon (Si), indium gallium arsenide …

Impact of Sidewall Conditions on Internal Quantum Efficiency and Light Extraction Efficiency of Micro‐LEDs

JH Park, M Pristovsek, W Cai, H Cheong… - Advanced Optical …, 2023 - Wiley Online Library
The sidewall condition is a key factor determining the performance of micro‐light emitting
diodes (µLEDs). In this study, equilateral triangular III‐nitride blue µLEDs are prepared with …

A critical review of recent advances, prospects, and challenges of MoS2/Si heterostructure based photodetectors

N Goel, A Kushwaha, S Agarwal, NB Shinde - Journal of Alloys and …, 2024 - Elsevier
Over the last decade, the first two-dimensional transition metal dichalcogenide, MoS 2, has
been extensively investigated for developing efficient photodetectors due to its tunable …

Ultra-low-defect homoepitaxial micro-LEDs with enhanced efficiency and monochromaticity for high-PPI AR/MR displays

Y Liu, G Wang, F Feng, M Zhanghu, Z Yuan, Z Li, K Xu… - PhotoniX, 2024 - Springer
The issue of brightness in strong ambient light conditions is one of the critical obstacles
restricting the application of augmented reality (AR) and mixed reality (MR). Gallium nitride …

Defect-Passivated Photosensor Based on Cesium Lead Bromide (CsPbBr3) Perovskite Quantum Dots for Microbial Detection

JH Park, HR Kim, MJ Kim, Z Song… - … Applied Materials & …, 2023 - ACS Publications
A defect-passivated photosensor based on cesium lead bromide (CsPbBr3) perovskite
quantum dots (QD) was fabricated using parylene films, and the photosensor was applied …

Current-and temperature-dependent efficiency droops in InGaN-based blue and AlGaInP-based red light-emitting diodes

CH Oh, JI Shim, DS Shin - Japanese Journal of Applied Physics, 2019 - iopscience.iop.org
We investigate the current-dependent and temperature-dependent efficiency droops (" J-
droop" and" T-droop", respectively) in InGaN-based blue and AlGaInP-based red light …

Reliability and Degradation Mechanisms of Deep UV AlGaN LEDs

BC Letson, JW Conklin, P Wass, S Barke… - ECS Journal of Solid …, 2023 - iopscience.iop.org
There are numerous applications for deep UV AlGaN Light-Emitting Diodes (LEDs) in virus
inactivation, air and water purification, sterilization, bioagent detection and UV polymer …

Microcavity Design Upping Light Extraction Efficiency over 50% in High‐Index Perovskite Light‐Emitting Diodes

G Mei, X Xiao, S Ahmad, H Lin, Y Tan… - Advanced Optical …, 2023 - Wiley Online Library
Perovskite light‐emitting diodes (PeLEDs) are promising candidates for lighting and display
applications. However, perovskites usually have a relatively high refractive index compared …

Light extraction employing optical tunneling in blue InP quantum dot light-emitting diodes

G Mei, Y Tan, J Sun, D Wu, T Zhang, H Liu… - Applied Physics …, 2022 - pubs.aip.org
Blue InP quantum dot light-emitting diodes (QLEDs) are promising candidates for
environmental-friendly displays. To achieve efficient blue InP QLEDs through light …

Exploring superlattice DBR effect on a micro-LED as an electron blocking layer

G Yan, BR Hyun, F Jiang, HC Kuo, Z Liu - Optics Express, 2021 - opg.optica.org
The role of a superlattice distributed Bragg reflector (SL DBR) as the p-type electron
blocking layer (EBL) in a GaN micro-light-emitting diode (micro-LED) is numerically …