A molecular switch, or molecule that changes in response to varying environmental stimuli, has successfully modified the acidity of a zeolite catalyst to improve the yield of paraxylene from methanol in heterogeneous catalysis, ...
Analytical Chemistry
Sep 25, 2023
0
30
Zeolites are crystalline inorganic materials whose oxide-based framework is built with corner-sharing TO4 tetrahedrons, where T refers to a tetrahedral atom, most commonly Si and Al. Thanks to their well-defined structure ...
Nanomaterials
Sep 22, 2022
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2
Nano-catalysis provides many opportunities for chemical transformations, ranging from chemical manufacturing to energy conversion and storage. By far, mainly due to the recovery aspect, heterogeneous catalysis has received ...
Analytical Chemistry
May 9, 2022
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15
Noble metals have been widely used as heterogeneous catalysts because they easily stand out with high activity and selectivity for many reactions of both scientific and industrial interest. At least a century ago, some light ...
Materials Science
Mar 17, 2022
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9
A research team from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences has recently obtained a catalyst composed of the hollow carbon sphere and inner Ni nanoparticles (Ni@HCS), which displayed ...
Materials Science
Jan 28, 2022
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28
Tritium 3H, a radioactive isotope of hydrogen, is commonly used in medicinal chemistry as a label to follow the course of a drug in the human body. Chemists like to use the technique to evaluate drug candidates and their ...
Materials Science
Dec 16, 2021
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5
Solid-matrix catalysts called heterogeneous catalysts are among the most widespread industrial applications in reducing toxic gases, unburned fuel, and particulate matter in the exhaust stream from the combustion chamber. ...
Nanomaterials
Apr 19, 2021
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8
Recently, a team led by Professor Wu Changzheng from School of Chemistry and Materials Science from University of Science and Technology of China (USTC) in cooperation with a team led by Prof. Wu Hengan from School of Engineering ...
Materials Science
Mar 25, 2021
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6
Single-atom catalysts (SACs) are applied in heterogeneous catalysis. Instead of one type of single atom, dual single-atom catalysts (DSACs) deliver superior catalytic performance than SACs due to cooperation between the dual ...
Nanophysics
Feb 5, 2021
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8
Catalysts are indispensable for many technologies. To further improve heterogeneous catalysts, it is required to analyze the complex processes on their surfaces, where the active sites are located. Scientists at Karlsruhe ...
General Physics
Dec 17, 2020
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3
