In a new study, a research group at Uppsala University explain their outstanding success in harvesting "hot electron holes." The results of their work can be used to improve solar cells, photochemical reactions, and photosensors. ...
Nanomaterials
Jul 28, 2020
0
339
With energy from the sun, a special enzyme can convert CO2 molecules into formic acid. This can both remove CO2 and provide us with something more useful.
Biochemistry
Jul 1, 2020
0
13
A research group led by assistant Professor Taichi Goto at Toyohashi University of Technology has, for the first time, demonstrated stop bands that prevent propagation of specific frequency components of forward volume spin ...
General Physics
Jan 31, 2019
0
4
Dissolved aluminum formed during industrial processing has perplexed chemists by occurring in much greater concentrations than predicted. Efforts to explain the phenomenon have been hampered by an inability to accurately ...
Materials Science
Jan 24, 2019
0
8
Using Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) telescopes, an international group of astronomers has detected a fast, very high-energy (VHE) flare from the blazar BL Lacertae. The finding is detailed in a paper ...
Graphene, in its regular form, does not offer an alternative to silicon chips for applications in nanoelectronics. It is known for its energy band structure, which leaves no energy gap and no magnetic effects. Graphene antidot ...
Nanophysics
Dec 19, 2018
0
13
Scientists at HZB have found evidence that double layers of graphene have a property that may let them conduct current completely without resistance. They probed the band structure at BESSY II with extremely high resolution ...
Nanomaterials
Nov 9, 2018
7
1006
Specific changes in the composition of kesterite-type semiconductors make it possible to improve their suitability as absorber layers in solar cells. As a team at the Helmholtz-Zentrum Berlin showed, this is particularly ...
Materials Science
Mar 30, 2018
0
21
It's hard to believe that a single material can be described by as many superlatives as graphene can. Since its discovery in 2004, scientists have found that the lacy, honeycomb-like sheet of carbon atoms - essentially the ...
Nanophysics
Mar 5, 2018
2
2265
Photons with energy higher than the band gap of the semiconductor absorbing them give rise to what are known as hot electrons. The extra energy in respect to the band gap is lost very fast, as it is converted into heat and ...
Condensed Matter
Jan 16, 2018
2
63
