Ordered droplet formation by thin polymer film dewetting on a stripe-patterned substrate

Chunxia Luo, Rubo Xing, Zexin Zhang, Jun Fu, Yanchun Han*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

56 Citations (Scopus)

Abstract

The dewetting process of thin polystyrene (PS) film on flat and stripe-patterned substrates is presented. Different dewetting processes were observed when the thin PS films annealed at above the glass transition temperature on these different kinds of substrates. The final dewetting on the flat substrate led to formation of polygonal liquid droplets, while on the stripe-patterned substrate, the droplets were observed to align at the centers of the stripes. A possible explanation for the dewetting process on the stripe-patterned substrate is proposed.

Original languageEnglish
Pages (from-to)158-163
Number of pages6
JournalJournal of Colloid and Interface Science
Volume269
Issue number1
DOIs
Publication statusPublished - 1 Jan 2004
Externally publishedYes

Keywords

  • Dewetting
  • Stripe-patterned substrate
  • Thin polymer films

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