Scientists at the U.S. Department of Energy's Brookhaven National Laboratory, Stony Brook University (SBU), and other collaborating institutions have uncovered dynamic, atomic-level details of how an important platinum-based ...
Materials Science
Feb 10, 2021
0
356
Billions of noble metal catalysts are used worldwide for the production of chemicals, energy generation, or cleaning the air. However, the resources required for this purpose are expensive and their availability is limited. ...
Materials Science
Sep 28, 2020
1
94
Vehicles powered by polymer electrolyte membrane fuel cells (PEMFCs) are energy-efficient and eco-friendly, but despite increasing public interest in PEMFC-powered transportation, current performance of materials that are ...
Materials Science
Sep 10, 2020
1
106
Scientists at Tokyo Institute of Technology (Tokyo Tech) have shown that single platinum atoms trapped in C12A7 crystals act as a stable and effective catalyst for the hydrogenation of nitroarenes, an essential process in ...
Materials Science
Feb 24, 2020
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17
Smooth platinum electrodes roughen and wear when subjected to repeated cycles of oxidation and reduction, which causes nanometer scale mounds to grow. Leiden chemists Leon Jacobse and Mark Koper, together with physicist Marcel ...
Materials Science
Jan 28, 2020
0
37
Scientists have long known that platinum is by far the best catalyst for splitting water molecules to produce hydrogen gas. A new study by Brown University researchers shows why platinum works so well—and it's not the reason ...
Materials Science
Dec 18, 2019
0
46
Single atoms work great as catalysts, but they usually don't stay single for long. Argonne scientists are part of a team that uses high-temperature shock waves to keep them in their place.
Materials Science
Sep 26, 2019
0
172
Pollutants coming out of cars' exhausts are harmful to the environment and public health. With the goal of overall curbing car emissions, the US Department of Energy (DOE) issued a challenge to scientists worldwide: catalytically ...
Materials Science
Aug 5, 2019
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46
As anyone who has purchased jewelry can attest, platinum is expensive. That's tough for consumers but also a serious hurdle for a promising source of electricity for vehicles: the hydrogen fuel cell, which relies on platinum.
Analytical Chemistry
Jun 10, 2019
0
659
Researchers at PSI have investigated a novel crystalline material that exhibits electronic properties that have never been seen before. It is a crystal of aluminum and platinum atoms arranged in a special way. In the symmetrically ...
General Physics
May 8, 2019
0
268
