Search results for optoelectronic devices

Nanomaterials Dec 20, 2021

Phosphorene nanoribbons live up to hype in first demonstration

Researchers have incorporated phosphorene nanoribbons into new types of solar cells, dramatically improving their efficiency.

Optics & Photonics Dec 15, 2021

Color-sorting metalenses boost imaging sensitivity

Researchers have shown that newly designed pixel-scale metasurface lenses—flat surfaces that use nanostructures to manipulate light—can be used to make imaging sensors that are roughly three times more sensitive than those ...

Soft Matter Dec 6, 2021

Liquid crystals for fast switching devices

Liquid crystals are not solid, but some of their physical properties are directional—like in a crystal. This is because their molecules can arrange themselves into certain patterns. The best-known applications include flat ...

Condensed Matter Nov 26, 2021

Doing photon upconversion a solid: Crystals that convert light to more useful wavelengths

Solid-solution organic crystals have been brought into the quest for superior photon upconversion materials, which transform presently wasted long-wavelength light into more useful shorter wavelength light. Scientists from ...

Nanomaterials Nov 22, 2021

Mystery of high performing novel solar cell materials revealed in stunning clarity

Researchers from the University of Cambridge have used a suite of correlative, multimodal microscopy methods to visualize, for the first time, why perovskite materials are seemingly so tolerant of defects in their structure. ...

Materials Science Nov 16, 2021

New technique to avoid CO2 in energy conversion processes with carbon-containing fuels

Nature knows several ways how to capture carbon dioxide (CO2). The most prominent one is photosynthesis, where sun light is used to fix CO2 into biomass. Nowadays, research groups around the world try hard to mimic this process ...

Nanomaterials Nov 1, 2021

Researchers identify ultrafast dynamics in monolayer MoS₂/ReSe₂ heterostructures

A collaborated team led by Prof. Su Fuhai from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences (CAS) recently identified the ultrafast dynamics in monolayer MoS2/ReSe2 heterostructures.

Optics & Photonics Oct 26, 2021

Making short-wave infrared light visible with a single component

Infrared (IR) light is invisible to humans. However, some animals, such as rattlesnakes or bloodsucking bats, can perceive IR radiation and use it to find food. But even for humans, the ability to see in the short-wave IR ...

Optics & Photonics Oct 22, 2021

The optical pairing helping to speed up and secure wireless communications

Han and Leia. George and Amal. Kermit and Miss Piggy. Gomez and Morticia. History's greatest couples rely on communication to make them so strong their power cannot be denied.

Materials Science Oct 19, 2021

Nonchlorinated solvent-processed high-performance ambipolar transistors

This research is led by Prof. Yunqi Liu (Institute of Chemistry Chinese Academy of Sciences) and Prof. Yunlong Guo (Institute of Chemistry Chinese Academy of Sciences). Ambipolar polymer semiconductors have wide applications ...

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