Shape-modification of patterned nanoparticles by an ion beam treatment.

Abstract:

:This paper evaluated a practical approach to the fabrication of arrays of non-spherical nanoparticles by colloidal etching without a mask involving exposure to a low energy ion beam. A spherical nanoparticle array was transferred using a soft nanolithography technique, which is a simple and effective pattern transfer method for nanostructures on the surface of thin adhesive polymers on a planar substrate, after placing the spherical nanoparticles on a patterned PDMS [poly(dimethysiloxane)] stamp produced from a patterned Si wafer. The resulting non-spherical nanoparticle array was driven from a spherical nanoparticle array shape-modified by ion beam irradiation. A well-arrayed layer of cone-like-shapes were produced using a head-on ion beam for different exposure times. Also, a variety of mushroom-like-shapes depending on the exposure angle were produced on a substrate with a well-arranged spherical nanoparticle array. This technique has potential applications in nanophotonics, field emission displays (FEDs) and microfluid.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Heo KC,Gwag JS

doi

10.1038/srep08523

subject

Has Abstract

pub_date

2015-02-17 00:00:00

pages

8523

issn

2045-2322

pii

srep08523

journal_volume

5

pub_type

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