AI Article Synopsis
- The first direct observation of a platinum cluster (Pt4) has shown that it can randomly change between different structures, known as isomers.
- Researchers used advanced microscopy techniques to achieve super high-resolution imaging, capturing the atomic positions of the cluster at nearly atomic scale and at very short time intervals (0.2 seconds).
- The data collected indicates that the process of isomerization for the Pt4 cluster follows a straightforward first-order kinetic model, meaning the rate of change is predictable and depends on the concentration of the cluster.
Article Abstract
We now report the first direct observation of the fluxional nature in which the four-atomic platinum cluster (Pt4) randomly walks through several isomers. Time-lapse analysis by a Cs-corrected transmission electron microscope allowed us to acquire the atomic coordinates at a sub-angstrom space resolution and 0.2 s time resolution for each cluster isomer. The analysis revealed that the isomerization follows a simple first-order kinetic model.
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| http://dx.doi.org/10.1039/c9cc00530g | DOI Listing |
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