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Surface-induced structure formation of polymer blends on patterned substrates

Author

Listed:
  • Martin Böltau

    (Fakultt für Physik, Universität Konstanz)

  • Stefan Walheim

    (Fakultt für Physik, Universität Konstanz)

  • Jürgen Mlynek

    (Fakultt für Physik, Universität Konstanz)

  • Georg Krausch

    (Fakultt für Physik, Universität Konstanz
    Ludwig Maximilians Universität München)

  • Ullrich Steiner

    (Fakultt für Physik, Universität Konstanz)

Abstract

Phase separation in bulk mixtures commonly leads to an isotropic, disordered morphology of the coexisting phases1. The presence of a surface can significantly alter the phase-separation process, however2,3. Here we show that the domains of a phase-separating mixture of polymers in a thin film can be guided into arbitrary structures by a surface with a prepatterned variation of surface energies. Such a pattern can be imposed on a surface by using printing methods for depositing microstructured molecular films4, thereby allowing for such patterns to be readily transferred to a two-component polymer film. This approach might provide a simple means for fabricating polymer-based microelectronic circuits5 or polymer resists for lithographic semiconductor processing.

Suggested Citation

  • Martin Böltau & Stefan Walheim & Jürgen Mlynek & Georg Krausch & Ullrich Steiner, 1998. "Surface-induced structure formation of polymer blends on patterned substrates," Nature, Nature, vol. 391(6670), pages 877-879, February.
    • Handle: RePEc:nat:nature:v:391:y:1998:i:6670:d:10.1038_36075
    DOI: 10.1038/36075
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