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Search results for optoelectronics

Nanophysics Jun 13, 2025

Revealing the hidden enemies of light in perovskite materials

Colloidal halide perovskite nanocrystals have emerged as strong candidates for light-emitting diodes and solar applications due to their excellent photoluminescent properties. However, instability and lead toxicity limit ...

Nanophysics Jun 12, 2025

Capturing the fleeting transformation of perovskite nanomaterials under light

A team has developed a powerful new spectroscopic technique that enables real-time tracking of how perovskite nanomaterials change under light. The study is published in the journal Nature Communications.

Optics & Photonics Jun 5, 2025

Quantum state lifetimes extended by laser-triggered electron tunneling in cuprate ladders

Quantum materials exhibit remarkable emergent properties when they are excited by external sources. Functional applications of these properties rely heavily on their tunability in real time. However, these excited states ...

Condensed Matter Jun 3, 2025

A semi-automated manufacturing process for cost-efficient quantum cascade laser modules

Resonantly tunable quantum cascade lasers (QCLs) are high-performance laser light sources for a wide range of spectroscopy applications in the mid-infrared (MIR) range. Their high brilliance enables minimal measurement times ...

Nanophysics May 29, 2025

Ultrathin resonators set new standard for efficient light manipulation

In the nanometer range (billionth of a meter), interactions occur between light and matter that do not happen on larger scales. As such, so-called nanophotonic materials have unique optical properties that open up a whole ...

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 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 ÌÇÐÄÊÓÆµical Science of the Chinese Academy of Sciences has developed a finely tuned method for growing titanium dioxide nanorod arrays (TiO2-NA) with controllable ...

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