Rapid, High-Resolution 3D Interference Printing of Multilevel Ultralong Nanochannel Arrays for High-Throughput Nanofluidic Transport.

Park, Junyong; Kim, Kyung-Il; Kim, Kisun; Kim, Dae-Chul; Cho, Donghwi; Lee, Jung Heon; Jeon, Seokwoo · Adv Mater · 2015

basic_science · Level V

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Abstract

3D interference printing enables the single-step production of multilayered ultralong nanochannel arrays with nanoscale regularity. The superior depth-of-focus of this technique realizes a state-of-the-art nanostructure which has intensively stacked 32 layers of inch-long, horizonontal nanochannels with sub-100 nm holes in a monolithic matrix (≈15 μm). This exceptional structure can be integrated into microfluidic devices, facilitating high-flux rheological platforms using nanocapillarity.