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Search results for optoelectronics

Optics & Photonics Jan 11, 2024

Exciplex route to white organic light emitting diodes: The role of a spacer layer

Organic light emitting diodes (OLEDs) have matured to commercial level. Yet, their widespread market adoption is hindered due to high costs and complicated device architecture. Researchers are actively exploring innovative ...

Condensed Matter Jan 8, 2024

Substitutional doping of 2D semiconductor for broadband photodetector

Substitutional doping from foreign elements stands out as a preferred method for precisely tailoring the electronic band structure, conduction type, and carrier concentration of pristine materials. In the realm of three-dimensional ...

Biotechnology Jan 5, 2024

Engineers invent octopus-inspired technology that can deceive and signal

With a split-second muscle contraction, the greater blue-ringed octopus can change the size and color of the namesake patterns on its skin for purposes of deception, camouflage and signaling. Researchers at the University ...

Optics & Photonics Jan 3, 2024

Non-toxic quantum dots pave the way towards CMOS shortwave infrared image sensors for consumer electronics

Invisible to our eyes, shortwave infrared (SWIR) light can enable unprecedented reliability, function and performance in high-volume, computer vision first applications in service robotics, automotive and consumer electronics ...

Materials Science Dec 28, 2023

Enantiomeric lead-free double perovskites rationally designed by achiral-chiral cation intercalation

Chiral optical materials have attracted great attention in multiple disciplines due to their wide application value in fields such as remote sensing, three-dimensional display, information communication, and optical information ...

Optics & Photonics Dec 27, 2023

Harnessing all-dielectric metamaterials to manipulate the polarization state of light

Polarization is one of the fundamental characteristics of electromagnetic waves. It can convey valuable vector information in sensitive measurements and signal transmission, which is a promising technology for various fields ...

Analytical Chemistry Dec 27, 2023

Shedding light on the origin of the photovoltaic effect in organic–inorganic perovskites

A team led by RIKEN researchers has investigated how special crystals convert light into electricity. Their findings will help inform efforts to improve their efficiency, which could lead to the crystals being used in solar ...

Optics & Photonics Dec 21, 2023

Probing for THz radiation directly at the source

The search for and development of efficient terahertz (THz) sources is one of the major scientific goals of the 21st century. The THz region of the electromagnetic spectrum is composed of light frequencies in between the ...

Optics & Photonics Dec 21, 2023

Dynamic interactive bitwise meta-holography with ultra-high computational and display frame rates

Computer-generated holography (CGH) represents a cutting-edge technology that employs computer algorithms to dynamically reconstruct virtual objects. This technology has found extensive applications across diverse fields ...

Analytical Chemistry Dec 14, 2023

Computational scientists generate molecular datasets at extreme scale

A team of computational scientists at the Department of Energy's Oak Ridge National Laboratory has generated and released datasets of unprecedented scale that provide the ultraviolet visible spectral properties of over 10 ...

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