Directed Assembly of Nanoparticles onto Polymer‐Imprinted or Chemically Patterned Templates Fabricated by Nanoimprint Lithography

Patterning of nanoparticles on surfaces (see Figure) is accomplished by a combination of nanoimprint lithography, self-assembly, and vertical deposition. Substrates patterned by a combination of topographical and chemical templates produce lines with a maximum resolution of 60 nm, compared with 300 nm for substrates patterned only chemically. Hexagonally close-packed 50 nm clusters are obtained by using substrates patterned with circles rather than lines.