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Issue 16, 2014
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Nanohelices by shadow growth

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Abstract

The helix has remarkable qualities and is prevalent in many fields including mathematics, physics, chemistry, and biology. This shape, which is chiral by nature, is ubiquitous in biology with perhaps the most famous example being DNA. Other naturally occurring helices are common at the nanoscale in the form of protein secondary structures and in various macromolecules. Nanoscale helices exhibit a wide range of interesting mechanical, optical, and electrical properties which can be intentionally engineered into the structure by choosing the correct morphology and material. As technology advances, these fabrication parameters can be fine-tuned and matched to the application of interest. Herein, we focus on the fabrication and properties of nanohelices grown by a dynamic shadowing growth method combined with fast wafer-scale substrate patterning which has a number of distinct advantages. We review the fabrication methodology and provide several examples that illustrate the generality and utility of nanohelices shadow-grown on nanopatterns.

Graphical abstract: Nanohelices by shadow growth

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Article information


Submitted
21 Jan 2014
Accepted
24 Mar 2014
First published
01 Apr 2014

Nanoscale, 2014,6, 9457-9466
Article type
Paper
Author version available

Nanohelices by shadow growth

J. G. Gibbs, A. G. Mark, T. Lee, S. Eslami, D. Schamel and P. Fischer, Nanoscale, 2014, 6, 9457
DOI: 10.1039/C4NR00403E

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