National University of Singapore scientists have demonstrated the non-invasive imaging of both the organic layers and underlying inorganic lattice of two-dimensional (2D) hybrid perovskites at the sub-angstrom level.
Nanomaterials
Jul 6, 2022
0
5
Atomically thin semiconductors such as molybdenum disulfide and tungsten disulfide are promising materials for nanoscale photonic devices. These approximately 2D semiconductors support so-called excitons, which are bound ...
Nanophysics
Jun 14, 2022
0
25
A highly unusual movement of light emitting particles in atomically-thin semiconductors was experimentally confirmed by scientists from the Würzburg–Dresden Cluster of Excellence ct.qmat–Complexity and Topology in Quantum ...
Quantum Physics
Dec 14, 2021
0
84
High pressure, as an extreme condition, can effectively change the interaction between atoms inside a material, forcing the electronic structure and optical properties to change. Studying the optical and ultrafast dynamical ...
Condensed Matter
Aug 27, 2021
0
563
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
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
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
0
73
Scientists have found that a perpendicular magnetic field makes electrically neutral quasiparticles (excitons) in semiconductors behave like electrons in the Hall effect. This discovery will help researchers to study the ...
General Physics
Jan 26, 2021
0
126
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
0
11
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
