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Search results for optoelectronic devices

Analytical Chemistry May 28, 2025

Synthetic molecular rings re-create energy flow found in plants

Plants mastered the art of harvesting sunlight billions of years ago, using elegant rings of pigments in their leaves. Now, researchers from Osaka Metropolitan University have taken a major step toward mimicking that leafy ...

Nanomaterials May 27, 2025

Crystal-modifying agent piracetam provides scalable strategy for high-efficiency all-perovskite tandem solar cells

All-perovskite tandem solar cells (TSCs) are a class of solar cells comprised of two or more sub-cells that absorb light with different wavelengths, all of which are made of perovskites (i.e., materials with a characteristic ...

Analytical Chemistry May 16, 2025

Subtle ligand modifications in aluminum complexes unlock enhanced solid-state light emission

Artificial light, once a luxury, has become central to modern life, with its evolution spanning from fire to LEDs. Now, researchers have developed a new class of efficient light-emitting materials as promising candidates ...

Nanophysics May 16, 2025

Finely-tuned TiOâ‚‚ nanorod arrays enhance solar cell efficiency

A research team led by Prof. Wang Mingtai at the Hefei Institutes of ÃÈÃÃÉçÇøical Science of the Chinese Academy of Sciences has developed a finely tuned method for growing titanium dioxide nanorod arrays (TiO2-NA) with controllable ...

Condensed Matter May 16, 2025

Two distinct exciton states observed in 2H stacked bilayer molybdenum diselenide

Two-dimensional (2D) materials have proved to be a promising platform for studying exotic quasiparticles, such as excitons. Excitons are bound states that emerge when an electron in a material absorbs energy and rises to ...

Nanophysics May 13, 2025

Photoresponsive cages show promise for tunable supramolecular electronics

In a recent study that merges supramolecular chemistry and molecular electronics, a research team has demonstrated how supramolecular porphyrin-based cages can enable tunable photoresponsive charge transport (CT) behaviors ...

Nanomaterials May 9, 2025

Sulfur-capped carbon nanobelts promise novel applications

RIKEN chemists have hit upon a fast and easy way to combine so-called nanobelts of carbon with sulfur-containing functional groups. The work is published in the journal Nature Communications.

Condensed Matter May 7, 2025

ÃÈÃÃÉçÇøicists discover an unusual chiral quantum state in a topological material

Chirality—the property of an object that is distinct from its mirror image—has long captivated scientists across biology, chemistry, and physics. The phenomenon is sometimes called "handedness," because it refers to an ...

Condensed Matter May 7, 2025

Improved modeling of the Pockels effect may help advance optoelectronic technology

The use of light signals to connect electronic components is a key element of today's data communication technologies, because of the speed and efficiency that only optical devices can guarantee. Photonic integrated circuits, ...

Nanophysics May 1, 2025

Depositing quantum dots on corrugated chips improves photodetector capabilities

Near-infrared photodetectors are used in biomedical sensing and defense and security technologies. For enhanced performance and integrated, compact imaging systems, the photodetectors must be able to detect multiple wavelengths ...

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