Light-emitting diodes—or LEDs, as they are commonly known—have been slowly replacing incandescent light bulbs in applications ranging from car taillights to indicators on electronics since their invention in the 1960s.
Nanophysics
Nov 21, 2017
0
19
The analysis of atomic spectra is of fundamental importance for our understanding of atomic structures. Until now, researchers were unable to examine heavy elements with optical spectroscopy because these elements do not ...
Condensed Matter
Sep 30, 2016
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28
For people who enjoy amusement parks, one of the most thrilling sensations comes at the top of a roller coaster, in the split second between the end of the climb and the rush of the descent. Trying to take a picture at exactly ...
Materials Science
Sep 8, 2016
0
11
A multifunctional molecular probe that can destroy cancer cells has been designed by A*STAR researchers. Unlike other probes that monitor only a single process, the new probe emits red and green light while killing cells, ...
Materials Science
Jun 2, 2016
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8
Flick a switch on a dark winter day and your office is flooded with bright light, one of many everyday miracles to which we are all usually oblivious.
Quantum Physics
May 12, 2016
5
1705
The Optical Single Crystals Group at NIMS, in collaboration with Tamura Corporation and Koha Co., Ltd., successfully developed single-crystal phosphors that use a blue LD (laser diode) as an excitation light source, are suitable ...
General Physics
Aug 25, 2015
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17
Chemists have found a new, more efficient method to perform light-driven reactions, opening up another possible pathway to harness sunlight for energy. The journal Science is publishing the new method, which is based on plasmon ...
Nanophysics
Aug 6, 2015
2
1216
While fluorescence imaging (in which external light is used to excite a specimen that then emits light in response) is essential in cell biology, it has a number of significant drawbacks, including autofluorescence, phototoxicity ...
The underlying mechanism behind an enigmatic process called "singlet exciton fission", which could enable the development of significantly more powerful solar cells, has been identified by scientists in a new study.
General Physics
Mar 16, 2015
8
80
A new combination of materials can efficiently guide electricity and light along the same tiny wire, a finding that could be a step towards building computer chips capable of transporting digital information at the speed ...
Nanophysics
Sep 4, 2014
0
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