Lanthanide-doped upconversion nanoparticles (UCNPs) demonstrate many superior properties of broadly-tunable multicolor emission and long emission lifetimes. This makes them well-suited for many light-emission applications. ...
Optics & Photonics
Sep 18, 2023
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0
As one of the basic physical properties, chirality plays an important role in many fields. Especially in biomedical chemistry, the discrimination of enantiomers is a very important research subject. Most biomolecules exhibit ...
Optics & Photonics
Feb 22, 2023
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4
Pyroelectric catalysis (pyro-catalysis) can convert environmental temperature fluctuations into clean chemical energy, such as hydrogen. However, compared with the more common catalysis strategy, such as photocatalysis, pyro-catalysis ...
Nanomaterials
Jan 11, 2023
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30
Physicists at Ural Federal University (UrFU) and their colleagues from the Institute of Electrophysics, Ural Branch of the Russian Academy of Sciences, and the Institute of Ion Plasma and Laser Technologies, Academy of Sciences ...
Nanophysics
Oct 18, 2022
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12
A group of photonics researchers at Tampere University have introduced a novel method to control a light beam with another beam through a unique plasmonic metasurface in a linear medium at ultra-low power. This simple linear ...
Optics & Photonics
Jun 6, 2022
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504
Tailored metal nanoclusters can be actively developed in the lab to manipulate light at the subwavelength scale for nanophotonic applications. However, their precise molecular arrangement in a hotspot with fixed numbers and ...
Plasmonic nanostructures have been widely used for enhancing light-matter interactions due to the strong local field enhancement in deep subwavelength volumes.
Optics & Photonics
Sep 3, 2019
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8
The results of a Russian-Japanese experiment explain the mechanism of electron photoemission by metallic nanostructures under ultrafast laser excitation. Metallic nanoparticle ensembles are capable of emitting short bunches ...
Optics & Photonics
May 22, 2019
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3
One way to produce clean water is to heat dirty water until it turns into steam. As the steam rises, it leaves behind the heavier contaminants and can be collected and cooled, providing clean water. There are many ways to ...
University of Arkansas researchers have helped define the optical properties of plasmonic nanostructures, work that could lead to improved sensors in security and biomedical devices, and have applications in solar cells. ...
Nanophysics
May 23, 2017
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