Catalytic converters for cleaning exhaust emissions are more efficient when they use nanoparticles with many edges. This is one of the findings of a study carried out at DESY's X-ray source PETRA III. A team of scientists ...
Materials Science
Mar 27, 2018
0
126
Researchers from Washington State University and Tufts University have demonstrated for the first time that a single metal atom can act as a catalyst in converting carbon monoxide into carbon dioxide, a chemical reaction ...
Materials Science
Mar 5, 2018
1
962
Researchers from Tokyo Metropolitan University have developed a way to mount gold nanoparticles on a molecular support known as a polyoxometalate (POM). They successfully applied this to realize nearly 100 percent conversion ...
Materials Science
Feb 9, 2018
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11
During cold start, a car engine emits far more particulate matter and other pollutants than during warm conditions. This is because a cold catalytic converter is much less efficient at low exhaust gas temperatures. So what's ...
Materials Science
Dec 5, 2017
1
9
At Karlsruhe Institute of Technology (KIT), scientists have studied ceria nanoparticles with the help of probe molecules and a complex ultrahigh vacuum-infrared measurement system and obtained new insights into their surface ...
Nanomaterials
Nov 16, 2017
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3
Reducing pollutant emission of vehicles and meeting stricter exhaust gas standards are major challenges when developing catalytic converters. A new concept might help to efficiently treat exhaust gases after the cold start ...
Materials Science
Oct 26, 2017
1
8
A tiny amount of squeezing or stretching can produce a big boost in catalytic performance, according to a new study led by scientists at Stanford University and SLAC National Accelerator Laboratory.
Materials Science
May 18, 2017
0
214
Researchers have developed a way to use less platinum in chemical reactions commonly used in the clean energy, green chemicals, and automotive industries, according to a paper in Science.
Materials Science
Jul 7, 2016
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480
Air pollution remains a major health hazard for our nation despite significant improvement in the U.S. air quality since the passage of the Clean Air Act and formation of the Environmental Protection Agency (EPA) in 1970. ...
Energy & Green Tech
Oct 20, 2015
3
29
The scandal surrounding VW has thrust nitric oxide (NOx) emissions from diesel vehicles into the limelight. Owing to the different engine technologies, these have always been higher than in gasoline-powered cars. On the other ...
Energy & Green Tech
Oct 1, 2015
1
26
