The consequences of crossing a tipping point might often be much more subtle and less severe than generally assumed. That is the conclusion of a mathematical analysis of tipping in large, spatially heterogeneous systems, ...
Environment
Mar 11, 2022
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11
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
Industry has an increasingly urgent need to switch to sustainable, synthetic schemes to access widely used chemicals. In this context, it is crucial to come up with heterogeneous photocatalysis processes using readily available, ...
Nanomaterials
Nov 12, 2020
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14
To optimize catalyst performance, a team of scientists from Lawrence Livermore National Laboratory (LLNL) and collaborators has developed a detailed understanding of the effect of pretreatment-induced nanoscale structural ...
Materials Science
Aug 17, 2020
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6
The use of covalent organic frameworks (COFs) as heterogeneous catalysts for photocatalytic CO2 reduction has attracted significant attention owing to their well-defined structure, high surface area and structural modularity.
Materials Science
Aug 3, 2020
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5
