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Versatile Multifunctional Coatings
In article number 2206943, Lingyun Jia and co‐workers develop a one‐step assembly strategy to construct host‐guest polyphenol coatings using tannic acid and polycyclodextrin particles. These coatings are responsive to high‐temperature steam and pH, and can form free‐standing films under physiological conditions. Furthermore, various metal ions and functional particles...
Developing a facile, efficient, and versatile polyphenol coating strategy and exploring its novel applications are of great significance in the fields of material surfaces and interfaces. Herein, a one‐step assembly strategy for constructing novel tannic acid (TA) coatings via a solvent evaporation method is reported using TA and polycyclodextrin (PCD) particles (TPP). TPP with a high phenolic group...
. A particle raft is formed by a layer of small particles floating on a water surface, which has a higher load bearing capacity than pure water. In the present work, we have made a comprehensive study on the wrinkling number and force of the particle raft in planar compression. The wrinkling number during the whole loading process is measured, accompanied with snapshots on the morphologies of the...
The strong focusing and field enhancement effects of a metal nanofinger surrounded by multiple concentric rings are investigated through both COMSOL Multiphysics and finite-difference time-domain (FDTD) simulations. The aspect ratio of the nanofinger is the main parameter determining the full width at half maximum (FWHM) and the strong local field enhancement. The optimal values of the aspect ratio...
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