Electron spin is an important property that determines processes such as chemical reactivity and the lifetime of the electron state. Spin is exploited in several applications such as luminescent materials, phototherapy, photochemistry, ...
Materials Science
Jun 26, 2018
0
18
Solar energy conversion of water into H2 through photocatalysis is considered a promising approach for H2 production. However, the separation efficiency of charge carriers is the key to improving the efficiency of photocatalytic ...
Nanophysics
Jun 7, 2018
0
3
One way that scientists control the structure of materials at the nanoscale – where features are a few to several hundred nanometers (nm) – is by using "self-assembly," in which molecules are designed such that they spontaneously ...
Nanomaterials
Apr 11, 2018
0
33
One of the problems for Javier Vela and the chemists in his Iowa State University research group was that a toxic material worked so well in solar cells.
Materials Science
Mar 14, 2018
0
23
Solar and renewable energy is getting hot, thanks to nanoscientists—those who work with materials smaller than the width of a human hair—at the U.S. Department of Energy's (DOE) Argonne National Laboratory who have discovered ...
General Physics
Dec 21, 2017
0
127
The conversion of solar energy into electricity is currently restricted by a concept known as the Shockley-Quesser limit. This limitation allows only photons that have higher energies than those of the bandgap to be used, ...
Quantum Physics
Dec 4, 2017
0
12
A discovery by an international team of researchers from Princeton University, the Georgia Institute of Technology and Humboldt University in Berlin points the way to more widespread use of an advanced technology generally ...
Materials Science
Nov 17, 2017
3
582
Perovskite solar cells (PSCs) have received worldwide attention due to excellent power-to-electricity conversion efficiency (PCE). Currently, 22.1 percent certified PCE has been achieved compared to those of CIGS and CdTe ...
Materials Science
Nov 7, 2017
0
4
Researchers have quantified the astonishingly high speeds at which future solar cells would have to operate in order to stretch what are presently seen as natural limits on their energy conversion efficiency.
General Physics
Sep 21, 2017
3
317
It may sound too good to be true, but TU Delft PhD student Ming Ma has found a way to produce alcohol out of thin air. Or to be more precise, he has found how to effectively and precisely control the process of electroreduction ...
Materials Science
Sep 11, 2017
2
178
