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Search results for optoelectronic devices

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 ...

Nanophysics Oct 19, 2021

Efficient light-emitting diodes based on oriented perovskite nanoparticles

Planar perovskite light-emitting diodes (LEDs) are high-performance and cost-effective electroluminescence devices that are ideal for large-area display and lighting applications. By exploring the emission layers with high ...

Nanomaterials Oct 14, 2021

A new twist on 2D materials may lead to improved electronic, optical devices

A new generation of electronics and optoelectronics may soon be possible by controlling twist angles in a particular type of bilayer 2D material used in these devices, strengthening the intrinsic electric charge that exists ...

General Âé¶¹ÒùÔºics Oct 2, 2021

Two-dimensional hybrid metal halide device allows control of terahertz emissions

Researchers have utilized two-dimensional hybrid metal halides in a device that allows directional control of terahertz radiation generated by a spintronic scheme. The device has better signal efficiency than conventional ...

Nanophysics Sep 28, 2021

A technique to create sub-10-nm graphene nanoribbons from squashed carbon nanotubes

Graphene nanoribbons (GNRs) are narrow and long strips of graphene with widths below 100 nm. GNRs that have smooth edges, a sizable bandgap and high charge carrier mobility could be highly valuable for a wide range of electronic ...

Optics & Photonics Sep 14, 2021

Spin photovoltaic effects in magnetic van der Waals heterostructures

In a new report now published on Science Advances, Tiancheng Song and a research team at the department of physics, University of Washington, U.S., and materials and nanoarchitectronics in Japan and China, detailed spin photovoltaic ...

Nanophysics Aug 25, 2021

Seeing is believing: Direct imaging of record exciton diffusion length

Optoelectronics—technology that gives off, detects, or controls light—are used everywhere in modern electronics and include devices such as light-emitting diodes (LEDs) and solar cells. Within these devices, the movement ...

Optics & Photonics Aug 12, 2021

New semiconductor device possibilities using black phosphorous

Stress and strain, applied in just the right manner, can sometimes produce amazing results.

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