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Versatile strategy for homogeneous drying patterns of dispersed particles

Author

Listed:
  • Marcel Rey

    (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
    The University of Edinburgh)

  • Johannes Walter

    (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU))

  • Johannes Harrer

    (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU))

  • Carmen Morcillo Perez

    (The University of Edinburgh)

  • Salvatore Chiera

    (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU))

  • Sharanya Nair

    (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU))

  • Maret Ickler

    (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU))

  • Alesa Fuchs

    (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU))

  • Mark Michaud

    (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU))

  • Maximilian J. Uttinger

    (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU))

  • Andrew B. Schofield

    (The University of Edinburgh)

  • Job H. J. Thijssen

    (The University of Edinburgh)

  • Monica Distaso

    (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU))

  • Wolfgang Peukert

    (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU))

  • Nicolas Vogel

    (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU))

Abstract

After spilling coffee, a tell-tale stain is left by the drying droplet. This universal phenomenon, known as the coffee ring effect, is observed independent of the dispersed material. However, for many technological processes such as coating techniques and ink-jet printing a uniform particle deposition is required and the coffee ring effect is a major drawback. Here, we present a simple and versatile strategy to achieve homogeneous drying patterns using surface-modified particle dispersions. High-molecular weight surface-active polymers that physisorb onto the particle surfaces provide enhanced steric stabilization and prevent accumulation and pinning at the droplet edge. In addition, in the absence of free polymer in the dispersion, the surface modification strongly enhances the particle adsorption to the air/liquid interface, where they experience a thermal Marangoni backflow towards the apex of the drop, leading to uniform particle deposition after drying. The method is independent of particle shape and applicable to a variety of commercial pigment particles and different dispersion media, demonstrating the practicality of this work for everyday processes.

Suggested Citation

  • Marcel Rey & Johannes Walter & Johannes Harrer & Carmen Morcillo Perez & Salvatore Chiera & Sharanya Nair & Maret Ickler & Alesa Fuchs & Mark Michaud & Maximilian J. Uttinger & Andrew B. Schofield & J, 2022. "Versatile strategy for homogeneous drying patterns of dispersed particles," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
  • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-30497-z
    DOI: 10.1038/s41467-022-30497-z
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    References listed on IDEAS

    as
    1. Randy P. Carney & Jin Young Kim & Huifeng Qian & Rongchao Jin & Hakim Mehenni & Francesco Stellacci & Osman M. Bakr, 2011. "Determination of nanoparticle size distribution together with density or molecular weight by 2D analytical ultracentrifugation," Nature Communications, Nature, vol. 2(1), pages 1-8, September.
    2. Peter J. Yunker & Tim Still & Matthew A. Lohr & A. G. Yodh, 2011. "Suppression of the coffee-ring effect by shape-dependent capillary interactions," Nature, Nature, vol. 476(7360), pages 308-311, August.
    3. Wouter Sempels & Raf De Dier & Hideaki Mizuno & Johan Hofkens & Jan Vermant, 2013. "Auto-production of biosurfactants reverses the coffee ring effect in a bacterial system," Nature Communications, Nature, vol. 4(1), pages 1-8, June.
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    Cited by:

    1. Amna Abdeljaoued & Beatriz López Ruiz & Yikalo-Eyob Tecle & Marie Langner & Natalie Bonakdar & Gudrun Bleyer & Patrik Stenner & Nicolas Vogel, 2024. "Efficient removal of nanoplastics from industrial wastewater through synergetic electrophoretic deposition and particle-stabilized foam formation," Nature Communications, Nature, vol. 15(1), pages 1-13, December.

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