Fabricating ordered 2-D nano-structured arrays using nanosphere lithography

[Display omitted] Recent advances in the use of plasmonic metamaterials to improve absorption of light in thin-film solar photovoltaic devices has created a demand for a scalable method of patterning large areas with metal nanostructures deposited in an ordered array. This article describes two meth...

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Bibliographic Details
Published in:MethodsX 2017-01, Vol.4 (C), p.229-242
Main Authors: Zhang, Chenlong, Cvetanovic, Sandra, Pearce, Joshua M.
Format: Article
Language:English
Subjects:
Dip coating
Electronics
Engineering Sciences
Metamaterial
Method
Micro and nanotechnologies
Microelectronics
Microsphere lithography
Nanosphere
Nanosphere lithography
Photovoltaic
Plasmonic
Spin coating
Synthesis
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Summary:[Display omitted] Recent advances in the use of plasmonic metamaterials to improve absorption of light in thin-film solar photovoltaic devices has created a demand for a scalable method of patterning large areas with metal nanostructures deposited in an ordered array. This article describes two methods of fabricating ordered 2D nanosphere colloidal films: spin coating and interface coating. The two methods are compared and parameter optimization discussed. The study reveals that: •For smaller nanosphere sizes, spin coating is more favorable, while for larger nanospheres, the angled interface coating provides more coverage and uniformity.•A surfactant-free approach for interface coating is developed to fabricate zero-contamination colloidal films.•Each of the methods reaches an overall coverage of more than 90% and can be used for nanosphere lithography to form plasmonic metamaterials.
ISSN:2215-0161
2215-0161
DOI:10.1016/j.mex.2017.07.001