Defects often limit the performance of devices such as light-emitting diodes (LEDs). The mechanisms by which defects annihilate charge carriers are well understood in materials that emit light at red or green wavelengths, ...
General Physics
Aug 7, 2023
0
74
A study carried out by a research team from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), the Catalan Institute of Nanoscience and Nanotechnology (ICN2), University of Exeter Centre for Graphene Science, and TU Eindhoven ...
Nanophysics
Jun 15, 2023
0
31
When searching for catalysts for the energy transition, materials consisting of at least five elements are considered highly promising. But there are theoretically millions of them—how do we identify the most powerful one?
Analytical Chemistry
Jan 16, 2023
0
68
In 2019, Shinshu University Special Contract Professor Domen Kazunari and colleagues developed the powdered oxysulfide photocatalyst Y2Ti2O5S2 that absorbs sunlight of wavelengths below 650 nm and splits water into hydrogen ...
Analytical Chemistry
Dec 27, 2022
0
36
A research group led by Dr. Yang Bin from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences (CAS) has developed cadmium (Cd)-based perovskite single crystals with long afterglow and high luminous ...
Analytical Chemistry
Nov 30, 2022
0
56
In semiconductor heterostructures, reconfiguring the band-edge states and modulating their interplay with charge carriers in a continuous manner have been long-standing challenges.
Nanophysics
Nov 3, 2022
0
14
National University of Singapore researchers have predicted that Landau levels belonging to different valleys in a two-dimensional (2D) valleytronic material, monolayer tungsten diselenide (WSe2), can be aligned at a critical ...
Condensed Matter
Jun 14, 2022
0
500
Energy storage with rechargeable battery technologies powers our digital lifestyles and supports renewable energy integration into the power grid. However, battery function under cold conditions is an ongoing challenge, motivating ...
Analytical Chemistry
May 20, 2022
0
9
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
For many years, researchers have been focused on developing technologies that can help us fight the imminent climate change crisis. They have one goal in common: Finding sustainable energy sources that can replace the environmentally ...
Materials Science
Jun 29, 2021
1
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