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On the Nature of the Breath Figures Self-Assembly in Evaporated Polymer Solutions: Revisiting Physical Factors Governing the Patterning

Authors

  • Edward Bormashenko,

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    1. Ariel University Center of Samaria, Physics Faculty, 40700, P.O.B.3, Ariel, Israel
    2. Ariel University Center of Samaria, Department of Chemical & Biotechnology Engineering, P.O.B. 3, 40700, Ariel, Israel
    • Ariel University Center of Samaria, Physics Faculty, 40700, P.O.B.3, Ariel, Israel.===

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  • Sagi Balter,

    1. Ariel University Center of Samaria, Department of Chemical & Biotechnology Engineering, P.O.B. 3, 40700, Ariel, Israel
    2. Department of Chemistry, Bar-Ilan University, 52900 Ramat-Gan, Israel
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  • Doron Aurbach

    1. Department of Chemistry, Bar-Ilan University, 52900 Ramat-Gan, Israel
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Abstract

The breath-figures self-assembly process was studied. Polystyrene and polycarbonate were dissolved in a diversity of solvents including, acetone, dichloromethane, chloroform, carbon tetrachloride, tetrahydrofuran, toluene, xylenes, carbon disulfide, and N-N dimethylformamide, and then were evaporated in a humid atmosphere. It was demonstrated that all solutions when sufficiently pre-cooled gave rise to typical “breath-figures” patterns. Thus, the decisive factor affecting the formation of the breath-figures pattern is the temperature of the solution. Wetting properties of the manufactured patterns are reported.

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