Search results for optoelectronics

Condensed Matter Dec 18, 2025

Hybrid excitons: Combining the best of both worlds

Faster, more efficient, and more versatile—these are the expectations for the technology that will produce our energy and handle information in the future. But how can these expectations be met? A major breakthrough in physics ...

Nanophysics Dec 8, 2025

Sum-frequency microscope can image an invisible 2D material

Researchers from the Physical Chemistry and Theory departments at the Fritz Haber Institute have found a new way to image layers of boron nitride that are only a single atom thick. This material is usually nearly invisible ...

Analytical Chemistry Dec 5, 2025

Free radicals caught in the act with slow spectroscopy

Why does plastic turn brittle and paint fade when exposed to the sun for long periods? Scientists have long known that such organic photodegradation occurs due to the sun's energy generating free radicals: molecules that ...

Condensed Matter Nov 21, 2025

Physicists explore optical launch of hypersound pulses in halide perovskites

A German-French team of physicists from TU Dortmund University, University of Würzburg, and Le Mans Université has succeeded in launching shear hypersound pulses with exceptionally large amplitudes in metal halide perovskites ...

Bio & Medicine Nov 19, 2025

Tiny antennas bring electrical energy to 'unpowerable' nanoparticles

A new technique uses "molecular antennas" to funnel electrical energy into insulating nanoparticles, creating a new class of ultra-pure near-infrared LEDs for medical diagnostics, optical communications, and sensing.

Analytical Chemistry Nov 19, 2025

Subtle 'twists' control light in perovskites for improved LEDs, solar cells and quantum technologies

Research has revealed how minute structural modifications in advanced perovskite materials critically influence their light-emission properties.

Nanomaterials Nov 18, 2025

Scientists directly observe diffusion behavior within individual nanostructures

In recent years, organic semiconductor materials have attracted considerable attention as key components for next-generation photoenergy conversion devices and organic solar cells due to their light weight and mechanical ...

Optics & Photonics Nov 12, 2025

Ultrafast light-driven electron slide discovered

When an intense laser pulse hits a stationary electron, it performs a trembling motion at the frequency of the light field. However, this motion dies down after the pulse, and the electron comes to rest again at its original ...

Optics & Photonics Nov 7, 2025

Open-source 'macroscope' offers dynamic luminescence imaging

A team of European researchers has developed a versatile, open-source luminescence imaging instrument designed to democratize access to advanced fluorescence and electroluminescence techniques across disciplines ranging from ...

Nanophysics Nov 4, 2025

Light can reshape atom-thin semiconductors for next-generation optical devices

Rice University researchers studying a class of atom-thin semiconductors known as transition metal dichalcogenides (TMDs) have discovered that light can trigger a physical shift in their atomic lattice, creating a tunable ...

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