Abstract:
:This study presents the replication of a color-causing nanostructure based on the upper laminae of numerous cover scales of Morpho peleides butterfly wings and obtained solely by imprinting their upper-wing surfaces. Our results indicate that a simple casting technique using a novel integrated release agent can obtain a large positive replica using negative imprints via Polyvinylsiloxane. The developed method is low-tech and high-yield and is thus substantially easier and less expensive than previous methods. The microstructures were investigated with light microscopy, the nanostructures with both scanning and transmission electron microscopy, and the reflections with UV visible spectrometry. The influence of the release agent and the quality of the master stamp were determined by comparing measurements of the cover-scale sizes and their chromaticity values obtained by their images and with their positive imprints. The master stamp provided multiple positive replicas up to 3 cm(2) in just 1 h with structural coloration effects visible to the naked eye. Thus, the developed method proves the accuracy of the replicated nanostructure and its potential industrial application as a color-producing nanostamp.
journal_name
Bioinspir Biomimjournal_title
Bioinspiration & biomimeticsauthors
Zobl S,Salvenmoser W,Schwerte T,Gebeshuber IC,Schreiner Mdoi
10.1088/1748-3190/11/1/016006subject
Has Abstractpub_date
2016-02-02 00:00:00pages
016006issue
1eissn
1748-3182issn
1748-3190journal_volume
11pub_type
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