Guiding crystallization around bends and sharp corners

Stephanie S. Lee, Samuel B. Tang, Detlef M. Smilgies, Arthur R. Woll, Marsha A. Loth, Jeffrey M. Mativetsky, John E. Anthony, Yueh Lin Loo

Research output: Contribution to journalArticle

49 Scopus citations

Abstract

Control over the molecular orientation in organic thin films is demonstrated with precise in-plane spatial resolution over large areas. By exploiting the differential crystallization rates on substrates with different surface energies, the radial symmetry of spherulitic growth can be disrupted by preferentially selecting the molecular orientations that promote growth along the paths of the underlying patterns.

Original languageEnglish (US)
Pages (from-to)2692-2698
Number of pages7
JournalAdvanced Materials
Volume24
Issue number20
DOIs
StatePublished - May 22 2012

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Keywords

  • directed crystallization
  • organic thin films
  • solvent-vapor annealing
  • spherulite

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    Lee, S. S., Tang, S. B., Smilgies, D. M., Woll, A. R., Loth, M. A., Mativetsky, J. M., Anthony, J. E., & Loo, Y. L. (2012). Guiding crystallization around bends and sharp corners. Advanced Materials, 24(20), 2692-2698. https://doi.org/10.1002/adma.201104619