Order quantification of hexagonal periodic arrays fabricated by in situ   solvent-assisted nanoimprint lithography of block copolymers
  Directed self-assembly of block copolymer polystyrene-b-polyethylene oxide (PS-b-PEO) thin film was achieved by one-pot methodology of solvent vapour assisted nanoimprint lithography (SAIL). 
Claudia Simao, Worawut Khunsin, Nikolaos Kehagias, Mathieu Salaun,   Marc Zelsmann, Michael A. Morris and Clivia M. Sotomayo...
cond-mat.mtrl-sci