Bright semiconductor nanocrystals known as quantum dots give QLED TV screens their vibrant colors. But attempts to increase the intensity of that light generate heat instead, reducing the dots' light-producing efficiency.
Nanomaterials
Mar 25, 2021
1
4898
CPUs are built using semiconductor technology, which is capable of putting billions of transistors onto a single chip. Now, researchers from the group of Menno Veldhorst at QuTech, a collaboration between TU Delft and TNO, ...
Nanophysics
Mar 24, 2021
0
55
Whispering-gallery-mode (WGM) microresonators are opening up many new research directions that enable the detection of proteins, enzymes and DNA, down to single molecules. A new class of sensors makes use of active microresonators ...
Optics & Photonics
Mar 16, 2021
0
6
In the world of exotic high-tech tools—they can be as big as school buses and cost millions of dollars—one that sits in a lab at Intel's Ronler Acres campus in Oregon is truly unique.
Quantum Physics
Mar 16, 2021
1
10
Quantum dots are manmade nanoparticles of semiconducting material comprising only a few thousand atoms. Because of the small number of atoms, a quantum dot's properties lie between those of single atoms or molecules and bulk ...
Nanomaterials
Mar 15, 2021
1
1785
Tiny fluorescent semiconductor dots, called quantum dots, are useful in a variety of health and electronic technologies but are made of toxic, expensive metals. Nontoxic and economic carbon-based dots are easy to produce, ...
Nanophysics
Mar 8, 2021
1
791
A new path toward sending and receiving information with single photons of light has been discovered by an international team of researchers led by the University of Michigan.
Quantum Physics
Mar 4, 2021
1
1485
A polymer that is custom designed to produce light that penetrates murky environments has shown promise in bioimaging trials, where it can detect nano-sized particles underneath the surface of realistic tissue models.
Nanophysics
Feb 16, 2021
0
107
The modern world is powered by electrical circuitry on a "chip"—the semiconductor chip underpinning computers, cell phones, the internet, and other applications. In the year 2025, humans are expected to be creating 175 ...
Optics & Photonics
Feb 5, 2021
0
3704
Producing clean energy and reducing the power consumption of illumination and personal devices are key challenges to reduce the impact of modern civilization on the environment. As a result, the surging demand for solar cells ...
Optics & Photonics
Jan 12, 2021
0
15
