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We report a simple method to fabricate a patterned ultrathin metal membrane with hexagonally arrayed sub-50 nm nanopores based on hydrophilicity-templated self-assembly monolayer (SAM) of polystyrene (PS) nanoparticles. Photolithography assisted hydrophilicity-template defines the membrane pattern, in which the arrayed nanopores are transferred from the hexagonally packed polystyrene nanoparticles...
We report a novel microfluidic surface-enhanced Raman scattering (SERS) device, which is achieved by bonding a polydimethylsiloxane cap with a microchannel structure onto an SERS-active substrate composed of noble-metal covered silicon nanopillar forests. The silicon nanopillar forests are fabricated by using nanomaterial dots, which are introduced in oxygen-plasma bombardment of photoresist, as etching...
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