Full-Spectrum Photonic Pigments with Non-iridescent Structural Colors through Colloidal Assembly

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Structurally colored materials could potentially replace dyes and pigments in many applications, but it is challenging to fabricate structural colors that mimic the appearance of absorbing pigments. We demonstrate the microfluidic fabrication of photonic pigments consisting of microcapsules containing dense amorphous packings of core-shell colloidal particles. These microcapsules show non-iridescent structural colors that are independent of viewing angle, a critical requirement for applications such as displays or coatings. We show that the design of the microcapsules facilitates the suppression of incoherent and multiple scattering, enabling the fabrication of photonic pigments with colors spanning the visible spectrum. Our findings should provide new insights into the design and synthesis of materials with structural colors.
Publisher
WILEY-V C H VERLAG GMBH
Issue Date
2014-03
Language
English
Article Type
Article
Keywords

CORE-SHELL PARTICLES; AMORPHOUS ARRAYS; CRYSTALS; SILICA; NANOSTRUCTURES; COLORATION; DEPENDENCE; SCATTERING; THICKNESS; MEMBRANE

Citation

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.53, no.11, pp.2899 - 2903

ISSN
1433-7851
DOI
10.1002/anie.201309306
URI
http://hdl.handle.net/10203/188858
Appears in Collection
CBE-Journal Papers(저널논문)
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