Results 31 to 40 of about 3,005 (217)
Research progress of optoelectronic devices based on diamond materials
Frontiers in Physics, 2023 Diamond has a variety of unique characteristics, including integrates mechanics, electricity, heat, optics and other excellent properties, so that it is widely focus on the field of high and new technology, especially in the optoelectronic technology ...
Houzhi Fei +9 more
doaj +1 more source
Crystals, 2023 We propose the use of an n-doped periodic AlN/GaN quantum cascade structure for the optical up-conversion of multiple near-infrared (near-IR) photons into deep-ultraviolet (deep-UV) radiation.
Daniel Hofstetter +2 more
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Transparent electrode design for AlGaN deep-ultraviolet light-emitting diodes
Optics Express, 2017 Zinc gallate (ZnGa2O4; ZGO) thin films were employed as the p-type transparent contact layer in deep-ultraviolet AlGaN-based light-emitting diodes (LEDs) to increase light output power. The transmittance of 200-nm-thick ZGO in deep-ultraviolet wavelength (280 nm) was as high as 92.3%.
Ray- Hua Hrong +5 more
openaire +2 more sources
Frontiers in Public Health, 2022 Reliable disinfection and sterilization technologies are needed to deal with the various infectious diseases spreading around the world. Furthermore, bacteria that are difficult to eliminate by ordinary disinfection are also a problem in the medical ...
Hiroko Inagaki +9 more
doaj +1 more source
Carrier Transport in a Deep Ultraviolet Mixed Quantum Well Light Emitting Diode
IEEE Photonics JournalAluminium Gallium Nitride (AlGaN) based light emitting diodes (LED) are the enabling technology for compact emitters of deep ultraviolet (DUV) radiation and are in high demand for environmental and medical applications.
Friedhard Romer +7 more
doaj +1 more source
Biomedical and Biotechnology Applications of Deep Ultraviolet Light Emitting Diodes [PDF]
2021 IEEE Research and Applications of Photonics in Defense Conference (RAPID), 2021 The COVID-19 pandemic rekindled attention to biomedical application of the Deep Ultraviolet Light Emitting Diodes that include killing bacteria and viruses, purifying air, disinfecting water supplies, prolonging food storage, increasing plant yield, improving produce quality post-harvest, adjusting lighting spectral power distribution, and regulating ...
openaire +1 more source
DEEP ULTRAVIOLET LIGHT EMITTING DIODES (DUV LEDS)
Journal of Engineering Science (Chişinău), 2018 There are a variety of applications for devices that extend into the deep-UV, including biological agent detection and optical storage. The nitride material system is a set of semiconducting compounds that have wavelengths that span a broad range, from yellow to deep-UV. AlGaN has a direct bandgap that extends into the deep-UV range; the device-quality
openaire +3 more sources
IEEE Photonics Journal, 2018 In this work, we propose and optimize the sidewalls for the mesa to enhance the optical power for AlGaN-based deep ultraviolet light-emitting diodes (LEDs). We obtain the mesa with the inclined sidewalls by conducting dry etching. The optical performance
Qian Chen +8 more
doaj +1 more source
HortScience, 2023 The main objective of this study was to characterize intumescence injury of three susceptible tomato cultivars grown in a greenhouse or indoors using two types of soilless culture systems.
Emilio Suarez +3 more
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MOFs and COFs in Electronics: Bridging the Gap between Intrinsic Properties and Measured Performance
Advanced Functional Materials, EarlyView.Metal‐organic frameworks (MOFs) and covalent organic frameworks (COFs) hold promise for advanced electronics. However, discrepancies in reported electrical conductivities highlight the importance of measurement methodologies. This review explores intrinsic charge transport mechanisms and extrinsic factors influencing performance, and critically ...
Jonas F. Pöhls, R. Thomas Weitz
wiley +1 more source