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Preparation of ultrathin nanowires using superfluid helium droplets

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posted on 2014-05-19, 10:49 authored by Shengfu Yang, Elspeth Latimer, Daniel Spence, Cheng Feng, Adrian Boatwright, Andrew M. Ellis
Direct preparation of long one-dimensional (1D) nanostructures with diameters <10 nm inside superfluid helium droplets is reported. Unlike conventional chemical synthetic techniques, where stabilizers, templates, or external fields are often required to induce 1D growth, here, we exploit the use of quantized vortices to guide the formation of ultrathin nanowires. A variety of elements have been added to the droplets to demonstrate that this is a general phenomenon, including Ni, Cr, Au, and Si. Control of the length and diameter of the nanowires is also demonstrated.

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Citation

Nano Letters, 2014, 14, pp. 2902-2906

Author affiliation

/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/Department of Chemistry

Published in

Nano Letters

Publisher

American Chemical Society

issn

1530-6984

eissn

1530-6992

Copyright date

2014

Available date

2014-05-24

Publisher version

http://pubs.acs.org/doi/abs/10.1021/nl500946u

Editors

Lieber, C

Language

en

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