Beilstein J. Nanotechnol.2015,6, 1205–1211, doi:10.3762/bjnano.6.123
a lift-off process. As a consequence, the resulting metal nanostructure is an exact replica of the pattern of the selectively removed polymer (either a perforatedmetalfilm or metal islands). The minimum diameter of these holes or metal islands demonstrated here is about 50 nm. Au, Pd, Cu, Cr and
plasmonic resonance; metal islands; metal nanostructures; metal polymer blend lithography (metal PBL); nano-patterned template; nanoscale discs; optical transmission; perforatedmetalfilm; polymer phase separation; poly(methyl methacrylate) (PMMA); polystyrene (PS); self-assembly; spin-coating; surface
necessary between the desired metal and the substrate. The SEM top view image of the gold islands with a thickness of 20 nm is shown in Figure 1f. The islands have the same size (200–800 nm) as the holes in the polymer film (see Figure 1e).
For the fabrication of a perforatedmetalfilm, the polymer blend
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Figure 1:
Schematic drawing and experimental results of the metal PBL process for the fabrication of metal na...