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149 Current news about the topic titanium dioxiderss
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Airy and efficient
Researchers at ETH Zurich have developed a new photocatalyst made from an aerogel that could enable more efficient hydrogen production. The key is sophisticated pretreatment of the material. Aerogels are extraordinary materials that have set Guinness World Records more than a dozen times, ...
Hydrogen is a pollution-free energy source when it's extracted from water using sunlight instead of fossil fuels. But current strategies for "splitting" or breaking apart water molecules with catalysts and light require the introduction of chemical additives to expedite the process. Now, ...
Impressive behavior of synthetic microswimmers studied
The Freigeist group at TU Dresden, led by chemist Dr Juliane Simmchen, has studied an impressive behavior of synthetic microswimmers: as soon as the photocatalytic particles leave an illuminated zone, they flip independently and swim back into the light. This promising observation and its ...
Free electron laser study sheds light on the mechanism and timescale of the photocatalytic oxidation of carbon monoxide on titanium oxide
An international team of scientists have studied, for the first time, the light induced oxidation of carbon monoxide (CO) to carbon dioxide (CO2) on the surface of an oxide photocatalyst in real-time using the soft X-ray free-electron laser FLASH combined with theoretical calculations. According ...
Unusual nanoparticles could could be useful for environmental cleanups, sensors, electronic devices and solar cells
Imagine tiny crystals that "blink" like fireflies and can convert carbon dioxide, a key cause of climate change, into fuels. A Rutgers-led team has created ultra-small titanium dioxide crystals that exhibit unusual "blinking" behavior and may help to produce methane and other fuels, according to ...
INEOS Enterprises has announced that it has signed an agreement to acquire The North American business of National Titanium Dioxide Company Limited (Cristal) from Tronox Limited for $700 million. Cristal’s North American business includes two-plants located at the Ashtabula Ohio (US) complex. The ...
New design doubles the efficiency of the metalens
We live in a polarized world. No, we aren't talking about politics -- we're talking about light. Much of the light we see and use is partially polarized, meaning its electric field vibrates in specific directions. Lenses designed to work across a range of applications, from phone cameras to ...
The solution to a 75-year-old materials mystery might one day allow farmers in developing nations to produce their own fertilizer on demand, using sunlight and nitrogen from the air. Thanks to a specialized X-ray source at Lawrence Berkeley National Laboratory, researchers at the Georgia ...
The market research company Ceresana analyzed the entire pigment market already for the fifth time: 10 million tonnes were sold worldwide in 2017. The majority was utilized by the industry in Asia-Pacific. Due to above-average growth rates, demand in this region will presumably rise to almost 6.3 ...
A chemist from RUDN was the first to use catalysts with ruthenium nanoparticles to obtain hydrogen under the influence of visible light and UV radiation. In the future, such catalysts may be used for large-scale production of hydrogen fuel under the influence of sunlight.Photochemical reactions ...