Mechanisms of mesoscopic patterning in evaporated polymer films deposited on tilted and vertical substrates

Ed Bormashenko, R. Pogreb, O. Stanevsky, Ye Bormashenko, T. Stein, R. Cohen, Sh Reis, O. V. Gendelman

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Mesoscopic self-organization in evaporated polymer solutions was investigated. The structure of dried films was studied with optical and SEM microscopy. Formation of mesoscopic cells was studied in situ with a shadowgraph technique. Intensive migration of the vapor bubbles is an important factor in the formation of mesoscopic cells. A mechanism of mesoscopic network formation, based on the mass transport instability in evaporated film, was proposed. The impact of the solvent is discussed.

Original languageEnglish
Pages (from-to)455-461
Number of pages7
JournalJournal of Materials Science
Volume41
Issue number2
DOIs
StatePublished - Jan 2006

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