Coalescence of droplets on chemical boundaries

J. Léopoldès*, D. G. Bucknall

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


We show that emulsion droplets sedimenting toward a chemically patterned substrate can self-assemble and coalesce onto chemical boundaries, leading to a 2D growth pattern. After discussing the various features characteristic of the self-assembly process, we focus on the behaviour of a single droplet when sliding from a high contact angle area to a low contact angle area. The adsorption on the low contact angle area shall occur via two main mechanisms, depending on the interplay between droplet dynamics and wettability contrast.

Original languageEnglish
Pages (from-to)597-603
Number of pages7
JournalEurophysics Letters
Issue number4
Publication statusPublished - 12 Oct 2005

ASJC Scopus subject areas

  • General Physics and Astronomy


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