Results 21 to 30 of about 4,806,914 (197)
A 265-Nanometer High-Power Deep-UV Light-Emitting Diode Rapidly Inactivates SARS-CoV-2 Aerosols
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection (COVID-19) is an acute respiratory infection transmitted by droplets, aerosols, and contact.
Hiroshi Ueki +5 more
doaj +1 more source
A scattered volume emitter micropixel architecture for ultra efficient light extraction from DUV LEDs [PDF]
Deep ultraviolet light-emitting diodes (DUV LEDs) typically suffer from strong parasitic absorption in the p-epitaxial layer and rear metal contact/mirror.
Faris Azim Ahmad Fajri +4 more
doaj +2 more sources
In this work, we investigate the performance improvement of N-polar AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs) by the inversion of the hole injection layer from N-polar to Ga-polar.
Xu Liu +7 more
doaj +1 more source
Recent advances in polymeric chemically amplified positive resists: Materials and design strategies. [PDF]
This review summarizes recent advances in the molecular design of positive chemically amplified resists, focusing on photoacid generators and polymer architectures. Key strategies for enhancing sensitivity—including self‐amplification effects, copolymerization of sensitive monomers, controlled polymerization, and photosensitized chemically amplified ...
Zhou L, Li H, Zhang J, Xin H.
europepmc +2 more sources
Untersuchung der Duv-Präferenz in Abhängigkeit von korrelierter Farbtemperatur (CCT), Farbgamut und betrachteten Objekten [PDF]
Der Weißpunkt einer im Innenraum verwendeten LED-Lichtquelle hat einen entscheidenden Einfluss darauf, ob Menschen die Beleuchtung akzeptieren oder nicht.
Klabes, Julian +3 more
core +1 more source
Quantitative evaluation of SARS-CoV-2 inactivation using a deep ultraviolet light-emitting diode
Inactivation technology for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is certainly a critical measure to mitigate the spread of coronavirus disease 2019 (COVID-19). A deep ultraviolet light-emitting diode (DUV-LED) would be a promising
Takeo Minamikawa +10 more
doaj +1 more source
Research Progress of AlGaN-Based Deep Ultraviolet Light-Emitting Diodes
AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs) have great application prospects in sterilization, UV phototherapy, biological monitoring and other aspects.
Ruiqiang Xu +4 more
doaj +1 more source
Improvement of Light Extraction in Deep Ultraviolet GaN Light Emitting Diodes with Mesh P-Contacts
One of the main reasons that the emission efficiency of GaN-based light-emitting diodes (LEDs) decreases significantly as the emission wavelength shorter than 300 nm is the low light extraction efficiency (LEE). Especially in deep ultra-violet (DUV) LEDs,
Shiou-Yi Kuo +3 more
doaj +1 more source
We report a numerical analysis of the variation of Aluminium (Al) composition in Al Gallium Nitride (AlGaN)-based Deep-Ultraviolet Light-Emitting Diode (DUV-LED) and its effects on the carrier concentration, radiative recombination, and photoluminescence
Hairol Aman, Mohammad Amirul +5 more
core +1 more source
Efficient and eco-friendly disinfection of air-borne human respiratory RNA viruses is pursued in both public environment and portable usage. The AlGaN-based deep ultraviolet (DUV) light-emission diode (LED) has high practical potentials because of its ...
Ke Jiang +10 more
doaj +1 more source

