Molecular dynamics simulations have shown that the mysteriously high efficiency of polymer LEDs arises from interactions between triplet excitons in their polymer chains, and unpaired electrons in their molecular impurities.
Optics & Photonics
Sep 24, 2020
0
5
Organic light-emitting diodes (OLEDs) are widely used in display technology and are also being investigated for lighting applications. A comprehensive understanding of these devices is therefore important if their properties ...
Optics & Photonics
Jun 25, 2021
0
1
Understanding how particles travel through a device is vital for improving the efficiency of solar cells. Researchers from KAUST, working with an international team of scientists, have now developed a set of design guidelines ...
Materials Science
Nov 24, 2020
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11
A research team has uncovered the dynamics of bright-dark exciton transition in anatase TiO2. Their findings have been published in the Proceedings of the National Academy of Sciences.
Condensed Matter
Jan 15, 2024
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18
Prof. Zhao Jin's research team from University of Science and Technology of China (USTC) has made important progress in the development of spin-valley exciton dynamics. The research developed an ab initio nonadiabatic molecular ...
General Physics
Mar 25, 2021
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73
Exciton-based solid-state devices have the potential to be essential building blocks for modern information technology to slow down the end of Moore's law. Exploiting excitonic devices requires the ability to control the ...
Optics & Photonics
Mar 4, 2020
0
21
Scientists have learned how to place crystalline defects in new materials with atomic-scale precision. This enables materials that can control excitons—energy carriers that are similar to subatomic particles. New research ...
Nanomaterials
Aug 9, 2021
0
172
Next-generation devices based on molecular materials have the potential to efficiently use sunlight to produce electricity or to drive chemical reactions. In contrast to commercial solar cells, where absorption of light directly ...
Materials Science
Apr 22, 2019
0
8
