Tunable Amorphous Photonic Materials with Pigmentary Colloidal Nanostructures

Amorphous photonic structures using pigmentary α‐Fe2O3/SiO2 core–shell nanoparticles are succesfully fabricated. The resulting non‐iridicent brilliant colors can be manipulated by shell thickness, particle concentration, and external electrical stimuli using electrophoretic deposition process. Fully...

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Bibliographic Details
Published in:Advanced optical materials 2017-04, Vol.5 (7), p.np-n/a
Main Authors: Han, Jinkyu, Lee, Elaine, Dudoff, Jessica K., Bagge‐Hansen, Michael, Lee, Jonathan R. I., Pascall, Andrew J., Kuntz, Joshua D., Willey, Trevor M., Worsley, Marcus A., Han, Thomas Yong‐Jin
Format: Article
Language:English
Subjects:
Amorphous materials
Amorphous structure
Colors (materials)
Core-shell particles
Electrophoretic deposition
MATERIALS SCIENCE
nanoparticle assemblies
Nanoparticles
Nanostructure
Optics
photonic materials
Photonics
Shells
Silicon dioxide
Stimuli
structural colors
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Description
Summary:Amorphous photonic structures using pigmentary α‐Fe2O3/SiO2 core–shell nanoparticles are succesfully fabricated. The resulting non‐iridicent brilliant colors can be manipulated by shell thickness, particle concentration, and external electrical stimuli using electrophoretic deposition process. Fully reversible and instantaneous color changes as well as noticeable difference between transmitted and reflected colors is observed.
ISSN:2195-1071
2195-1071
DOI:10.1002/adom.201600838