NanoPen: Dynamic, Low-Power, and Light-Actuated Patterning of Nanoparticles

Jamshidi, Arash and Neale, Steven L. and Yu, Kyoungsik and Pauzauskie, Peter J. and Schuck, Peter James and Valley, Justin K. and Hsu, Hsan-Yin and Ohta, Aaron T. and Wu, Ming C.. (2009) NanoPen: Dynamic, Low-Power, and Light-Actuated Patterning of Nanoparticles. Nano Letters, 9 (8). pp. 2921-2925. ISSN 1530-6984

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We introduce NanoPen, a novel technique for low optical power intensity, flexible, real-time reconfigurable, and large-scale light-actuated patterning of single or multiple nanoparticles, such as metallic spherical nanocrystals, and one-dimensional nanostructures, such as carbon nanotubes. NanoPen is capable of dynamically patterning nanoparticles over an area of thousands of square micrometers with light intensities <10 W/cm2 (using a commercial projector) within seconds. Various arbitrary nanoparticle patterns and arrays (including a 10 × 10 array covering a 0.025 mm2 area) are demonstrated using this capability. One application of NanoPen is presented through the creation of surface-enhanced Raman spectroscopy hot-spots by patterning gold nanoparticles of 90 nm diameter with enhancement factors exceeding 107 and picomolar concentration sensitivities.

Item Type: Article
Additional Information: Abstract reprinted with permission from American Chemical Society. Copyright 2009.
Uncontrolled Keywords: nanoparticle manipulation, light-actuated patterning, optoelectronic tweezer (OET)
InterNano Taxonomy: Nanoscale Objects and Nanostructured Materials > Nanostructured Materials
Nanoscale Objects and Nanostructured Materials > Nanoparticles
Nanomanufacturing Processes > Nanopatterning/Lithography
Collections: Nanomanufacturing Research Collection
Related URLs:
Depositing User: Mr. Richard L Rosen
Date Deposited: 15 Jun 2010 14:18
Last Modified: 15 Jun 2010 14:18

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