Light-emitting diodes (LEDs) are commonly used in the electronic displays in our TVs, smartphones, and other devices; now, researchers at the Institute of Chemical Reaction Design and Discovery (ICReDD) at Hokkaido University ...
Materials Science
Jan 18, 2022
0
111
Lanthanide (Ln3+)-doped upconversion (UC) nanocrystals (NCs) have attracted considerable interest due to their superior optical features. Unfortunately, the relatively low luminescence intensity is a major drawback that seriously ...
Materials Science
Jan 11, 2022
0
59
In the particle world, sometimes two is better than one. Take, for instance, electron pairs. When two electrons are bound together, they can glide through a material without friction, giving the material special superconducting ...
Quantum Physics
Jan 10, 2022
4
4135
Scientists in Switzerland and Germany have achieved efficient electron-beam modulation using integrated photonics—circuits that guide light on a chip. The experiments could lead to entirely new quantum measurement schemes ...
Optics & Photonics
Dec 22, 2021
0
364
What would it be like if we lived in a flat two-dimensional world? Physicists predict that quantum mechanics would be even stranger in that case, resulting in exotic particles—so-called "anyons"— that cannot exist in ...
Quantum Physics
Dec 2, 2021
0
383
JILA researchers have tricked nature by tuning a dense quantum gas of atoms to make a congested "Fermi sea," thus keeping atoms in a high-energy state, or excited, for about 10% longer than usual by delaying their normal ...
General Physics
Nov 18, 2021
0
329
In chemistry, molecules are manipulated by changing the constituent atoms, or their arrangements. Now a group of physicists and chemists from The City College of New York and Spain can demonstrate how the use of an optical ...
Optics & Photonics
Nov 12, 2021
0
247
Harnessing the near-infrared (NIR) light is exceedingly important for biomedical sciences, photovoltaics and optical communications. Though urgently needed for flexible, wearable and implantable applications, NIR organic ...
Materials Science
Oct 21, 2021
0
41
Finding solutions for the current climate and energy crisis has become a common goal across the globe. And why look far when we have the perfect solution right around us? Taking a page out of nature's book, scientists have ...
Materials Science
Oct 20, 2021
0
352
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 ...
