AI Article Synopsis
- Understanding solid-liquid interfaces is crucial for both research and industrial use, but high-resolution imaging has been challenging, leaving many properties unknown.
- The study reveals a quasi-liquid phase observed between metal nanoparticle surfaces (In, Sn) and aqueous solutions using advanced imaging techniques, showcasing a thin liquid-like layer with small In nanoclusters.
- Simulations indicate that the positive charges of In ions play a significant role in stabilizing this quasi-liquid phase, aiding in mass transport from the metal nanoparticles to the surrounding liquid.
Article Abstract
An understanding of solid-liquid interfaces is of great importance for fundamental research as well as industrial applications. However, it has been very challenging to directly image solid-liquid interfaces with high resolution, thus their structure and properties are often unknown. Here, we report a quasi-liquid phase between metal (In, Sn) nanoparticle surfaces and an aqueous solution observed using liquid cell transmission electron microscopy. Our real-time high-resolution imaging reveals a thin layer of liquid-like materials at the interfaces with the frequent appearance of small In nanoclusters. Such a quasi-liquid phase serves as an intermediate for the mass transport from the metal nanoparticle to the liquid. Density functional theory-molecular dynamics simulations demonstrate that the positive charges of In ions greatly contribute to the stabilization of the quasi-liquid phase on the metal surface.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9226024 | PMC |
| http://dx.doi.org/10.1038/s41467-022-31075-z | DOI Listing |
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