Journal
NANO LETTERS
Volume 6, Issue 10, Pages 2279-2283Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl061712b
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Funding
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1109591] Funding Source: National Science Foundation
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The technical applications of three-dimensional (3D) nanostructures demand a fabrication technique that is convenient and yet offers design flexibility. We describe here a nanofabrication technique called surface-plasmon-assisted three-dimensional nanolithography (3D-SPAN). By utilizing optical near-field interference patterns generated by surface plasmons (SPs), we have fabricated different 2D/3D periodic polymeric nanostructures in a typical photolithography setup. We have also shown here that the nanostructures fabricated by 3D-SPAN can be controlled easily in terms of size, layout, and defects by designing the SPAN mask. Because of its design flexibility and fabrication convenience, 3D-SPAN could be used to develop photonics on a chip, where signal processing is carried out by photons instead of electrons and be extended to other applications of direct-writing 3D functional nanostructures.
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