The emergence and prospects of deep-ultraviolet light-emitting diode technologies
Abstract By alloying GaN with AlN the emission of AlGaN light-emitting diodes can be tuned
to cover almost the entire ultraviolet spectral range (210–400 nm), making ultraviolet light …
to cover almost the entire ultraviolet spectral range (210–400 nm), making ultraviolet light …
AlGaN photonics: recent advances in materials and ultraviolet devices
D Li, K Jiang, X Sun, C Guo - Advances in Optics and Photonics, 2018 - opg.optica.org
AlGaN-based materials own direct transition energy bands and wide bandgap and thus can
be used in high-efficiency ultraviolet (UV) emitters and detectors. Over the past two decades …
be used in high-efficiency ultraviolet (UV) emitters and detectors. Over the past two decades …
The 2020 UV emitter roadmap
Solid state UV emitters have many advantages over conventional UV sources. The (Al, In,
Ga) N material system is best suited to produce LEDs and laser diodes from 400 nm down to …
Ga) N material system is best suited to produce LEDs and laser diodes from 400 nm down to …
A 271.8 nm deep-ultraviolet laser diode for room temperature operation
Z Zhang, M Kushimoto, T Sakai… - Applied Physics …, 2019 - iopscience.iop.org
We present a deep-ultraviolet semiconductor laser diode that operates under current
injection at room temperature and at a very short wavelength. The laser structure was grown …
injection at room temperature and at a very short wavelength. The laser structure was grown …
Deep-ultraviolet light-emitting diodes with external quantum efficiency higher than 20% at 275 nm achieved by improving light-extraction efficiency
T Takano, T Mino, J Sakai, N Noguchi… - Applied Physics …, 2017 - iopscience.iop.org
Enhancing the light-extraction efficiency is the key issue for realizing highly efficient AlGaN-
based ultraviolet light-emitting diodes (UV-LEDs). We introduced several features to improve …
based ultraviolet light-emitting diodes (UV-LEDs). We introduced several features to improve …
LED revolution: fundamentals and prospects for UV disinfection applications
The UV-light emitting diode (LED) has been attracting significant attention as a new UV
source that can replace conventional mercury gas-filled lamps in water disinfection …
source that can replace conventional mercury gas-filled lamps in water disinfection …
Recent progress and future prospects of AlGaN-based high-efficiency deep-ultraviolet light-emitting diodes
H Hirayama, N Maeda, S Fujikawa… - Japanese Journal of …, 2014 - iopscience.iop.org
In this paper, recent advances in AlGaN-based deep-ultraviolet (DUV) light-emitting diodes
(LEDs) are demonstrated. 220–350-nm-band DUV LEDs have been realized by developing …
(LEDs) are demonstrated. 220–350-nm-band DUV LEDs have been realized by developing …
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 …
paper reviews the progress of AlGaN-based deep-ultraviolet (DUV) light emitting diodes …
Deep‐ultraviolet micro‐LEDs exhibiting high output power and high modulation bandwidth simultaneously
Abstract Deep‐ultraviolet (DUV) solar‐blind communication (SBC) shows distinct
advantages of non‐line‐of‐sight propagation and background noise negligibility over …
advantages of non‐line‐of‐sight propagation and background noise negligibility over …
Bright future of deep-ultraviolet photonics: Emerging UVC chip-scale light-source technology platforms, benchmarking, challenges, and outlook for UV disinfection
The COVID-19 pandemic has generated great interest in ultraviolet (UV) disinfection,
particularly for air disinfection. Although UV disinfection was discovered close to 90 years …
particularly for air disinfection. Although UV disinfection was discovered close to 90 years …