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Multi-body coalescence in Pickering emulsions

Author

Listed:
  • Tong Wu

    (University of Notre Dame)

  • Haitao Wang

    (University of Notre Dame)

  • Benxin Jing

    (University of Notre Dame)

  • Fang Liu

    (University of Notre Dame)

  • Peter C. Burns

    (University of Notre Dame
    University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, Indiana 46556, USA)

  • Chongzheng Na

    (University of Notre Dame)

Abstract

Particle-stabilized Pickering emulsions have shown unusual behaviours such as the formation of non-spherical droplets and the sudden halt of coalescence between individual droplets. Here we report another unusual behaviour of Pickering emulsions—the simultaneous coalescence of multiple droplets in a single event. Using latex particles, silica particles and carbon nanotubes as model stabilizers, we show that multi-body coalescence can occur in both water-in-oil and oil-in-water emulsions. The number of droplets involved in the nth coalscence event equals four times the corresponding number of the tetrahedral sequence in close packing. Furthermore, coalescence is promoted by repulsive latex and silica particles but inhibited by attractive carbon nanotubes. The revelation of multi-body coalescence is expected to help better understand Pickering emulsions in natural systems and improve their designs in engineering applications.

Suggested Citation

  • Tong Wu & Haitao Wang & Benxin Jing & Fang Liu & Peter C. Burns & Chongzheng Na, 2015. "Multi-body coalescence in Pickering emulsions," Nature Communications, Nature, vol. 6(1), pages 1-9, May.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms6929
    DOI: 10.1038/ncomms6929
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    Cited by:

    1. Yingrui Zhang & Ziwei Ye & Chunchun Li & Qinglu Chen & Wafaa Aljuhani & Yiming Huang & Xin Xu & Chunfei Wu & Steven E. J. Bell & Yikai Xu, 2023. "General approach to surface-accessible plasmonic Pickering emulsions for SERS sensing and interfacial catalysis," Nature Communications, Nature, vol. 14(1), pages 1-12, December.

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