From multi-ring to spider web and radial spoke: competition between the receding contact line and particle deposition in a drying colloidal drop.

@article{Yang2014FromMT,
  title={From multi-ring to spider web and radial spoke: competition between the receding contact line and particle deposition in a drying colloidal drop.},
  author={Xiaodong Yang and Christopher Y Li and Ying Sun},
  journal={Soft matter},
  year={2014},
  volume={10 25},
  pages={
          4458-63
        }
}
Deposition morphologies of inkjet-printed colloidal drops are examined under various drying conditions, particle volume fractions, and particle sizes. Concentric multi-rings, radial spokes, spider web, foam, and island-like depositions are observed as a result of the competition between the receding contact line and particle deposition during drop drying. Experimentally measured multi-ring spacing, δR, shows good agreement with the model predicted linear correlation with the local ring radius R… CONTINUE READING

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