Virtually all light-emitting diodes used today require phosphors based on so-called rare-earth elements, which are expensive and challenging to obtain. In a collaborative research project between Heinrich Heine University ...
Analytical Chemistry
Jun 18, 2025
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1
In the realm of lighting and temperature measurement, advancements in material science are paving the way for significant improvements in technology and safety. Traditional methods, which combine yellow phosphors with blue ...
Optics & Photonics
Sep 13, 2024
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7
As the world grapples with an aging population, the rise in neurodegenerative diseases such as Alzheimer's and Parkinson's is becoming a significant challenge. These conditions place a heavy burden not only on those afflicted ...
Optics & Photonics
Jul 23, 2024
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4
The interactions between phosphorous acid and the platinum catalyst in high-temperature PEM fuel cells are more complex than previously assumed. Experiments at BESSY II with tender X-rays have decoded the multiple oxidation ...
Analytical Chemistry
Apr 3, 2024
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107
Recycling facilities collect glass and mercury from thrown-away fluorescent bulbs, but discarded lighting could also supply rare-earth metals for reuse. The 17 metals referred to as rare earths aren't all widely available ...
Materials Science
Feb 29, 2024
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17
New forms of the light-emitting materials called phosphors, with enhanced versatility relative to existing options, are being developed by researchers at the National Institute for Materials Science (NIMS) in Japan, with ...
Polymers
Feb 20, 2024
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11
Color mixing is the process of combining two or more colors: red and green make yellow, blue and red make purple, red and green and blue make white. This process of mixing colors is the basis for the future of solid-state ...
Condensed Matter
Jan 23, 2024
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70
Very strong, light materials that can withstand extremely high temperatures could usher in next-generation spacecraft, enhance current devices or enable the development of new biomedical imaging or hydrogen storage applications, ...
Nanomaterials
Jan 16, 2024
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11
Near-infrared (NIR)-emitting phosphor-converted light-emitting diodes (pc-LEDs) have attracted attention in emerging technology fields such as night-vision and bio-imaging. Currently, the development of NIR-emitting pc-LEDs ...
Optics & Photonics
Oct 13, 2023
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1
White LEDs may soon be dethroned as the world's go-to light source by an alternative with a much better sense of direction.
Nanophysics
Dec 21, 2022
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