Structural colors from multi-layered films containing black thin layers

Hiroshi Yabu; Takayuki Nakanishi; Yuji Hirai; Masatsugu Shimomura

doi:10.1117/12.915043

4 April 2012 Structural colors from multi-layered films containing black thin layers

Hiroshi Yabu, Takayuki Nakanishi, Yuji Hirai, Masatsugu Shimomura

Proceedings Volume 8339, Bioinspiration, Biomimetics, and Bioreplication 2012; 83390E (2012) https://doi.org/10.1117/12.915043
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2012, San Diego, California, United States

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.

Citation Download Citation

Hiroshi Yabu, Takayuki Nakanishi, Yuji Hirai, and Masatsugu Shimomura "Structural colors from multi-layered films containing black thin layers", Proc. SPIE 8339, Bioinspiration, Biomimetics, and Bioreplication 2012, 83390E (4 April 2012); https://doi.org/10.1117/12.915043

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