Perspectives on UVC LED: Its progress and application

TC Hsu, YT Teng, YW Yeh, X Fan, KH Chu, SH Lin… - Photonics, 2021 - mdpi.com
High-quality epitaxial layers are directly related to internal quantum efficiency. The methods
used to design such epitaxial layers are reviewed in this article. The ultraviolet C (UVC) light …

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 …

Modeling the electrical degradation of AlGaN-based UV-C LEDs by combined deep-level optical spectroscopy and TCAD simulations

N Roccato, F Piva, C De Santi, M Buffolo… - Applied Physics …, 2023 - pubs.aip.org
The long-term stability of ultraviolet (UV)-C light-emitting diodes (LEDs) is of major
importance for many applications. To improve the understanding in this field, we analyzed …

263 nm wavelength UV-C LED on face-to-face annealed sputter-deposited AlN with low screw-and mixed-type dislocation densities

K Uesugi, S Kuboya, K Shojiki, S ** on the performance and degradation of AlGaN-based UV-C LEDs
F Piva, M Grigoletto, R Brescancin, C De Santi… - Applied Physics …, 2023 - pubs.aip.org
We investigate the impact of Mg-do** on the performance and degradation kinetics of
AlGaN-based UV-C light-emitting diodes (LEDs). By comparing LEDs from three wafers with …