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Search results for optoelectronics

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 19, 2025

Chemists develop new approach to synthesizing air-stable four-membered boracycles

Boracycles are important functional scaffolds, finding increasing applications in catalysis, synthesis, materials science, and pharmaceuticals. However, current studies predominantly focus on three-, five-, and six-membered ...

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 Âé¶¹ÒùÔºical 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 ...

Condensed Matter May 9, 2025

Machine learning approach leads to discovery of high-performance infrared functional materials

Infrared optoelectronic functional materials are essential for applications in lasers, photodetectors, and infrared imaging, forming the technological backbone of modern optoelectronics. Traditionally, the development of ...

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

Âé¶¹ÒùÔºicists 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, ...

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