Group III nitride core–shell nano‐and microrods for optoelectronic applications

M Mandl, X Wang, T Schimpke, C Kölper… - physica status solidi …, 2013 - Wiley Online Library
In the past few years, tremendous progress has been demonstrated on epitaxial growth and
processing of group III nitride nano‐and microrods (NAMs). This has also enabled the …

Conduction mechanisms of leakage currents in InGaN/GaN-based light-emitting diodes

DP Han, CH Oh, H Kim, JI Shim… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Local dot-like emissions in InGaN/GaN-based light-emitting diodes under both forward and
reverse biases are investigated by carefully examining their locations and …

Degradation in AlGaN-based UV-C LEDs under constant current stress: A study on defect behaviors

YZ Wang, XF Zheng, JD Zhu, LL Xu, SR Xu… - Applied Physics …, 2020 - pubs.aip.org
Defect behaviors in the degradation of AlGaN-based UV-C light emitting diodes (LEDs)
under constant current stress have been intensively investigated in this work. It is found that …

Understanding Microscopic Properties of Light‐Emitting Diodes from Macroscopic Characterization: Ideality Factor, S‐parameter, and Internal Quantum Efficiency

DS Shin, JI Shim - physica status solidi (a), 2022 - Wiley Online Library
Herein, how the macroscopic characterizations can be utilized to extract information on the
defect level and crystal quality of the epitaxial layers of the light‐emitting diodes (LEDs) is …

Effects of impurity band on multiphoton photocurrent in GaN and InGaN photodetectors

C Wang, A Ali, J Wu, W Huang, H Lu, KJ Karki - Optical Materials, 2024 - Elsevier
GaN and InGaN are prototypical wide band-gap semiconductors with application in light-
emitting diodes, photo-detectors, high-power electronics, photonics, and opto-electronics …

Zigzag-shaped quantum well engineering of green light-emitting diode

M Usman, M Munsif, AR Anwar, U Mushtaq… - Superlattices and …, 2019 - Elsevier
We report the influence of zigzag-shaped quantum well in green GaN-based light-emitting
diode. Our analysis shows that the droop onset, efficiency droop, internal quantum …

Investigation of a separated short-wavelength peak in InGaN red light-emitting diodes

P Kirilenko, Z Zhuang, D Iida, M Velazquez-Rizo… - Crystals, 2021 - mdpi.com
We fabricated indium gallium nitride (InGaN) red light-emitting diodes (LEDs) with a peak
emission wavelength of 649 nm and investigated their electroluminescence (EL) properties …

Localization effect in green light emitting InGaN/GaN multiple quantum wells with varying well thickness

W Liu, DG Zhao, DS Jiang, P Chen, ZS Liu… - Journal of Alloys and …, 2015 - Elsevier
Abstract Green light emitting InGaN/GaN multiple-quantum-well (MQW) structures with
varying well thickness are grown via metal-organic chemical vapor deposition (MOCVD) …

Spatially resolved study of quantum efficiency droop in InGaN light-emitting diodes

Y Lin, Y Zhang, Z Liu, L Su, J Zhang, T Wei… - Applied Physics …, 2012 - pubs.aip.org
We investigate the spatial variation of the external quantum efficiency (EQE) of InGaN light-
emitting diodes. Two different types of EQE droop are examined in one single device …

Trap behavior of the optical power fluctuation in AlGaN-based UV-C LEDs degradation

M Su, H Liu, M Cai, W Sun - IEEE Transactions on Electron …, 2022 - ieeexplore.ieee.org
The trap behavior of the optical power (OP) fluctuation in the degradation of deep ultraviolet
light-emitting diodes (DUV-LEDs) is investigated in this work. The OP fluctuation under …