Perovskites are materials used in batteries, fuel cells, and electronic components, and occur in nature as minerals. Despite their important role in technology, little is known about the reactivity of their surfaces. Professor ...
Materials Science
Dec 21, 2015
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944
Terry Bricker, Moreland Family Professor in the Louisiana State University (LSU) Department of Biological Sciences, and colleagues at Palacký University in the Czech Republic and at the University of Cincinnati in Ohio have ...
Biotechnology
Mar 7, 2017
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18
How soon after the Big Bang could water have existed? Not right away, because water molecules contain oxygen and oxygen had to be formed in the first stars. Then that oxygen had to disperse and unite with hydrogen in significant ...
Astronomy
Apr 28, 2015
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482
An ancient biological enzyme known as nickel-iron hydrogenase may play a key role in producing hydrogen for a renewables-based energy economy, researchers have found. Careful study of the enzyme has led chemists from the ...
Materials Science
Mar 29, 2023
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104
Using computer simulations, a Ruhr-University Bochum (Germany) researcher has shown that the oxygen molecule (O2) is stable up to pressures of 1.9 terapascal, which is about nineteen million times higher than atmosphere pressure. ...
Condensed Matter
Jan 30, 2012
1
0
Achieving a goal considered nearly impossible, JILA physicists have chilled a gas of molecules to very low temperatures by adapting the familiar process by which a hot cup of coffee cools.
Quantum Physics
Dec 19, 2012
2
0
Efficient near-infrared (NIR) light-emitting diodes of perovskite have been produced in a laboratory at Linköping University. The external quantum efficiency is 21.6 percent, which is a record. The results have been published ...
Optics & Photonics
Mar 29, 2019
2
299
(Phys.org)—The American space program stands at the cusp of a "water rush" to the moon by several companies developing robotic prospectors for launch in the near future, according to a NASA scientist considering how to ...
Space Exploration
Nov 18, 2012
12
0
(Phys.org)—Fuel cells require a catalyst for the oxygen reduction reaction. One type of catalyst is nitrogen-doped graphene-oxide nanosheets. Graphene-oxide nanosheets are easily functionalized with other atoms such as ...
Titanium dioxide is an inexpensive, yet versatile material. It is used as a pigment in wall paint, as a biocompatible coating in medical implants, as a catalyst in the chemical industry and as UV protection in sunscreen. ...
Materials Science
Aug 29, 2013
1
0
