UV-based technologies for SARS-CoV2 inactivation: Status and perspectives

N Trivellin, F Piva, D Fiorimonte, M Buffolo, C De Santi… - Electronics, 2021 - mdpi.com
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the etiologic agent of
COVID-19, which has affected the international healthcare systems since the beginning of …

Reliability analysis of AlGaN-based deep UV-LEDs

M Maraj, L Min, W Sun - Nanomaterials, 2022 - mdpi.com
The current pandemic crisis caused by SARS-CoV-2 has also pushed researchers to work
on LEDs, especially in the range of 220–240 nm, for the purpose of disinfecting the …

Reliability of commercial UVC LEDs: 2022 state-of-the-art

N Trivellin, D Fiorimonte, F Piva, M Buffolo, C De Santi… - Electronics, 2022 - mdpi.com
With this study, we report on the reliability of the most recent commercial UVC LED devices.
The current COVID-19 pandemic urged the development of antiviral technologies, and one …

Inactivating SARS-CoV-2 using 275 nm UV-C LEDs through a spherical irradiation box: Design, characterization and validation

N Trivellin, M Buffolo, F Onelia, A Pizzolato, M Barbato… - Materials, 2021 - mdpi.com
We report on the design, characterization and validation of a spherical irradiation system for
inactivating SARS-CoV-2, based on UV-C 275 nm LEDs. The system is designed to …

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 …

Operation-induced degradation mechanisms of 275-nm-band AlGaN-based deep-ultraviolet light-emitting diodes fabricated on a sapphire substrate

SF Chichibu, K Nagata, M Oya, T Kasuya… - Applied Physics …, 2023 - pubs.aip.org
Degradation mechanisms of 275-nm-band Al x Ga 1-x N multiple quantum well deep-
ultraviolet light-emitting diodes fabricated on a (0001) sapphire substrate were investigated …

Power enhancement of 265 nm DUV-LED flip-chip by HVPE-AlN high-temperature annealing

W Yue, R Liu, P Li, X Zhou, Y Liu, B Yang, Y Liu… - Micromachines, 2023 - mdpi.com
In this paper, the X-ray diffraction full width at half the maximum (XRD FWHM) of a 3.5 µm-
thick hydride vapor phase epitaxy-aluminum nitride (HVPE-AlN)(002) face after high …

High volume UV LED performance testing

BC Letson, S Barke, SP Kenyon, T Olatunde… - Review of Scientific …, 2022 - pubs.aip.org
There is increasing interest in deep UV Light-Emitting Diodes (LEDs) for applications in
water purification, virus inactivation, sterilization, bioagent detection, and UV curing, as well …

Deep UV AlGaN LED reliability for long duration space missions

BC Letson, S Barke, P Wass, G Mueller… - Journal of Vacuum …, 2023 - pubs.aip.org
Space-based gravitational wave detection will be carried out by the laser interferometer
space antenna (LISA), a joint European Space Agency and NASA collaboration. The …

[HTML][HTML] Temperature-dependent study on AlGaN-based deep ultraviolet light-emitting diode for the origin of high ideality factor

Y Liao, D Li, Q Guo, Y Liu, H Wang, W Hu, ZL Wang - AIP Advances, 2021 - pubs.aip.org
Deep ultraviolet light-emitting diodes (DUV LEDs) are promising light sources for
disinfection, especially during the pandemic of novel coronavirus (COVID-19). Despite much …