A review of AlGaN-based deep-ultraviolet light-emitting diodes on sapphire

Y Nagasawa, A Hirano - Applied Sciences, 2018 - mdpi.com
Featured Application Sterilization, UV curing and printing, and phototherapy. Abstract This
paper reviews the progress of AlGaN-based deep-ultraviolet (DUV) light emitting diodes …

Optoelectronic device physics and technology of nitride semiconductors from the UV to the terahertz

TD Moustakas, R Paiella - Reports on Progress in Physics, 2017 - iopscience.iop.org
This paper reviews the device physics and technology of optoelectronic devices based on
semiconductors of the GaN family, operating in the spectral regions from deep UV to …

Aluminum nitride nanowire light emitting diodes: Breaking the fundamental bottleneck of deep ultraviolet light sources

S Zhao, AT Connie, MHT Dastjerdi, XH Kong… - Scientific reports, 2015 - nature.com
Despite broad interest in aluminum gallium nitride (AlGaN) optoelectronic devices for deep
ultraviolet (DUV) applications, the performance of conventional Al (Ga) N planar devices …

Multiple fields manipulation on nitride material structures in ultraviolet light-emitting diodes

J Li, N Gao, D Cai, W Lin, K Huang, S Li… - Light: Science & …, 2021 - nature.com
As demonstrated during the COVID-19 pandemic, advanced deep ultraviolet (DUV) light
sources (200–280 nm), such as AlGaN-based light-emitting diodes (LEDs) show excellence …

Enhancement of light extraction from light emitting diodes

AI Zhmakin - Physics Reports, 2011 - Elsevier
The large amount of light emitted from a light emitting diode (LED) being trapped inside the
semiconductor structure is the consequence of the large value of the refractive index. The …

Recent advances and challenges in AlGaN-based ultra-violet light emitting diode technologies

RK Mondal, S Adhikari, V Chatterjee, S Pal - Materials Research Bulletin, 2021 - Elsevier
The lighting industry undergoes a revolutionizing transformation with the introduction of III-
nitride semiconductors, and" LEDs" became a household name. The solid-state light source …

Nitride micro-LEDs and beyond-a decade progress review

HX Jiang, JY Lin - Optics express, 2013 - opg.optica.org
Since their inception, micro-size light emitting diode (µLED) arrays based on III-nitride
semiconductors have emerged as a promising technology for a range of applications. This …

Investigation of light extraction efficiency in AlGaN deep-ultraviolet light-emitting diodes

HY Ryu, IG Choi, HS Choi, JI Shim - Applied Physics Express, 2013 - iopscience.iop.org
Light extraction efficiency (LEE) in AlGaN deep-ultraviolet (DUV) light-emitting diodes
(LEDs) is investigated using finite-difference time-domain simulations. For flip-chip and …

Demonstration of an ultraviolet 336 nm AlGaN multiple-quantum-well laser diode

H Yoshida, Y Yamashita, M Kuwabara, H Kan - Applied physics letters, 2008 - pubs.aip.org
We have demonstrated laser operation of an AlGaN multiple-quantum-well (MQW) laser
diode (LD) with a peak wavelength of 336.0 nm under pulsed current mode at room …

Germicidal ultraviolet LEDs: A review of applications and semiconductor technologies

CJ Zollner, SP DenBaars, JS Speck… - Semiconductor …, 2021 - iopscience.iop.org
Ultraviolet light emitting diodes (UV LEDs) are one of the most promising technologies for
preventing future pandemics, improving health outcomes, and disinfecting water sources …