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Optics & Photonics Aug 22, 2024

Repurposing pencil lead as an optical material using plasma

Optical materials are essential in many modern applications, but controlling the way a material reflects light on its surface is costly and difficult. Now, in a recent study, researchers from Japan found a simple and low-cost ...

Analytical Chemistry Aug 15, 2024

Enhancing electron transfer for highly efficient upconversion OLEDs

Electron transfer is an elementary process in which an electron is transferred or relocated from a donor molecule or atom to another such entity, called the acceptor. This process is fundamental to chemical reactions, electronic ...

Other Aug 9, 2024

Tips for if you get lost on your next outdoor hike

There are busy times ahead for the Norwegian rescue services, as for many other rescue services across the Northern Hemisphere. The summer holidays can often involve up to dozens of calls each day from members of the public ...

Optics & Photonics Aug 6, 2024

Vertically stacked skin-like active-matrix display with ultrahigh aperture ratio

Skin-like displays are critical components of information output in next-generation portable and wearable electronics. Currently, all such displays are fabricated on glass or thick plastic substrates, limiting the inherent ...

Environment Jul 12, 2024

Just a Category 1 hurricane? Don't be fooled by a number—It could be more devastating than a Cat 5

Here's a troubling phrase hurricane forecasters hate but often hear: "It's just a Category 1. Nothing to worry about."

Analytical Chemistry Jul 11, 2024

Chemists develop robust molecule that gives organic electronic devices a boost

RIKEN chemists have developed a molecule that enhances the performance of organic electronic devices and is also more stable than previous alternatives, raising the chances that it could be used in industrial manufacturing ...

Social Sciences Jul 9, 2024

New study reevaluates the fight-or-flight concept in the context of human conflict

Research published in the International Journal of Management Concepts and Philosophy has looked at the concept of "fight-or-flight", a behavioral theory that was first proposed by American physiologist Walter Bradford Cannon ...

Optics & Photonics Jul 8, 2024

Scientists develop efficient and stable hybrid perovskite-organic LEDs with external quantum efficiency exceeding 40%

Tandem LEDs offer an effective way to integrate different light-emitting technologies for better display that meets Rec. 2020 color gamut standard. Now, scientists in China have developed a stable, efficient and high-color ...

Optics & Photonics Jul 8, 2024

Promising interlayer sensitization strategy for the construction of high-performance blue hyperfluorescence OLEDs

Multi-resonance thermally activated delayed fluorescence (MR-TADF) materials are promising candidates for organic light-emitting diodes (OLEDs) with narrow electroluminescence (EL) spectra. Scientists in China propose an ...

Analytical Chemistry Jul 4, 2024

New organic molecule shatters phosphorescence efficiency records and paves way for rare metal-free applications

A research team led by Osaka University discovered that the new organic molecule thienyl diketone shows high-efficiency phosphorescence. It achieved phosphorescence that is more than ten times faster than traditional materials, ...

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