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Nanophysics Aug 28, 2020

Round nanoparticles improve quality factors of surface lattice resonances

Plasmonic surface lattice resonances (SLRs) supported by metal nanoparticle arrays have many merits such as strong field enhancements extended over large volumes, as well as long lifetimes, narrow linewidths, angle-dependent ...

Optics & Photonics Aug 28, 2020

Optical imaging enters sub-nanometer era

Prof. Dong Zhenchao and Prof. Hou Jianguo from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) have improved the spatial resolution from 8 nm to ~8 Ã… of photoluminescence ...

Optics & Photonics Jul 31, 2020

Nanoparticle meta-grid for enhanced light extraction from light-emitting devices

A tailored layer of plasmonic nanoparticles can be introduced into the epoxy casing of a light-emitting diode (LED) to improve the device's light output, to benefit energy savings and boost the LED lifetime. In a new report ...

Nanomaterials Jul 30, 2020

Researchers synthesize nanoparticles tailored for special applications

Whether in innovative high-tech materials, more powerful computer chips, pharmaceuticals or in the field of renewable energies, nanoparticles form the basis for a whole range of new technological developments. Due to the ...

Optics & Photonics Jul 29, 2020

Tailored meta-grid of nanoparticles boosting performance of light-emitting diodes

Introducing the newly designed 'meta-grid' of nanoparticles into the epoxy casing of light-emitting diodes (LEDs) offers a substantial improvement of their light output, besides increasing lifetime, according to the scientists ...

Nanomaterials Jul 28, 2020

Research on metallic nanoparticles may lead to improved solar cells

In a new study, a research group at Uppsala University explain their outstanding success in harvesting "hot electron holes." The results of their work can be used to improve solar cells, photochemical reactions, and photosensors. ...

Nanomaterials Jul 22, 2020

Thermal manipulation of plasmons in atomically thin films

Surface plasmons in graphene have been widely studied in the past decade due to their very appealing properties, such as the strong tunability of its optical properties through electrical gating and the relatively high plasmon ...

Materials Science Jul 21, 2020

New material can generate hydrogen from salt and polluted water

Scientists of Tomsk Polytechnic University jointly with teams from the University of Chemistry and Technology, Prague and Jan Evangelista Purkyne University in Ústí nad Labem have developed a new 2-D material to produce ...

Analytical Chemistry Jul 19, 2020

Scientists suggest using gold nanoparticle metasurfaces to determine substance molecular composition

A new method will make it possible to create compact devices that will accurately determine molecular composition of a liquid or gas, and help identify potentially dangerous chemical compounds. The results of the work carried ...

Nanomaterials Jul 13, 2020

Researchers develop new technique for production of plasmonics devices

Research laboratories are constantly developing new materials that are expected to exhibit novel properties bound to revolutionize this or that technology. But it's not enough to simply create these materials; scientists ...

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