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Nanophysics Nov 16, 2020

No losses: Scientists stuff graphene with light

Physicists from MIPT and Vladimir State University, Russia, have converted light energy into surface waves on graphene with nearly 90% efficiency. They relied on a laser-like energy conversion scheme and collective resonances. ...

Quantum Physics Nov 13, 2020

Novel quantum dots facilitate coupling to quantum memory systems

Researchers at the University of Basel and Ruhr-Universität Bochum have realized quantum dots—tiny semiconductor nanostructures—that emit light close to the red part of the spectrum with ultra-low background noise. Quantum ...

Nanomaterials Nov 4, 2020

Luminescent wood could light up homes of the future

The right indoor lighting can help set the mood, from a soft romantic glow to bright, stimulating colors. But some materials used for lighting, such as plastics, are not eco-friendly. Now, researchers reporting in ACS Nano ...

Optics & Photonics Nov 4, 2020

Scientists manipulate the properties of quantum dots

Scientists at the National Research Nuclear University MEPhI (MEPhI) have demonstrated an increase in the intensity and emission rate of quantum dots. According to the authors of the study, the development could help to solve ...

Nanomaterials Oct 19, 2020

Scientists encapsulate quantum dots in salt

It's widely known that submerging a pared apple in saltwater prevents oxidation and browning, but did you know that saltwater can also protect fragile quantum dot (QD) materials? A research team led by Prof. Chen Hsueh-Shih ...

Bio & Medicine Oct 15, 2020

Scientists propose potential method for imaging-guided synergistic cancer therapy

A joint research team led by Prof. Wang Hui and Prof. Lin Wenchu from the High Magnetic Field Laboratory of the Hefei Institutes of Physical Science developed a synthesis of metal-free multifunctional therapeutic reagents, ...

Optics & Photonics Oct 9, 2020

Turning a hot spot into a cold spot: Fano-shaped local-field responses probed by a quantum dot

Optical nanoantennas can convert propagating light to local fields. The local-field responses can be engineered to exhibit nontrivial features in spatial, spectral and temporal domains. Local-field interferences play a key ...

Materials Science Oct 5, 2020

Air stable intrinsically stretchable color-conversion layers for stretchable displays

The development of a stretchable display that can be bent, stretched, and attached to the skin as a free-standing film appeared in science fiction films is expected to be one step closer. The research team led by Prof. Tae-Woo ...

Optics & Photonics Sep 30, 2020

Colloidal quantum dot light emitters go broadband in the infrared

Broadband light emission in the infrared has proven to be of paramount importance for a large range of applications that include food quality and product/process monitoring, recycling, environmental sensing and monitoring, ...

Materials Science Sep 21, 2020

Quantum dot photovoltaics make a lasting impression

A process developed at KAUST for depositing extremely thin and smooth films can make it easier to manufacture stable solar cells based on quantum dot technology.

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