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Keywords:

  • liquid crystals;
  • self-assembly;
  • self-organization;
  • soft lithography
Thumbnail image of graphical abstract

Liquid crystals are a successful example of how the control of self-assembly via chemical design leads to novel applications. Massimiliano Cavallini, Fabio Biscari, and co-workers report on p. 4688 that direct patterning of a continuous metal-free mesogenic phthalocyanine film (discotic LCs) is achieved by spatial control of column orientation using unconventional lithography. These patterned films work as time–temperature integrators at the columnar rectangular–hexagonal transition temperature.