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Proceedings Paper

Structural colors from multi-layered films containing black thin layers
Author(s): Hiroshi Yabu; Takayuki Nakanishi; Yuji Hirai; Masatsugu Shimomura
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Paper Abstract

We have demonstrated the simple preparation of structurally colored composite films by stacking alternating Os and PB layers. Os has a much higher refractive index than PB, which causes the strong reflection at the interface between these two materials. Strong reflection colors were observed because of the interference between the multi-layers. Active control of the reflection peaks was achieved by swelling the PB layers. From these results, we conclude that black thin layers enhance the reflection of structural colors.

Paper Details

Date Published: 4 April 2012
PDF: 7 pages
Proc. SPIE 8339, Bioinspiration, Biomimetics, and Bioreplication 2012, 83390E (4 April 2012); doi: 10.1117/12.915043
Show Author Affiliations
Hiroshi Yabu, Tohoku Univ. (Japan)
Takayuki Nakanishi, Tohoku Univ. (Japan)
Yuji Hirai, Tohoku Univ. (Japan)
Masatsugu Shimomura, Tohoku Univ. (Japan)

Published in SPIE Proceedings Vol. 8339:
Bioinspiration, Biomimetics, and Bioreplication 2012
Akhlesh Lakhtakia, Editor(s)

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