Tunable Superhydrophobic and Optical Properties of Colloidal Films Coated with Block-Copolymer-Micelles/Micelle-Multilayers

Superhydrophobic surfaces are prepared based on silica colloids coated with multiple layers of block copolymer micelles (see figure). The hierarchical surface roughness can be tuned by adjusting the pH and molecular weight of the polymer segments. Optical functionality is imparted to the films by th...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2007-12, Vol.19 (24), p.4364-4369
Main Authors: Hong, J., Bae, W. K., Lee, H., Oh, S., Char, K., Caruso, F., Cho, J.
Format: Article
Language:English
Subjects:
Block copolymers
Layer-by-layer assembly
Micelles
Nanocrystals
Nanocrystals, semiconductor
semiconductor
Superhydrophobicity
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Summary:Superhydrophobic surfaces are prepared based on silica colloids coated with multiple layers of block copolymer micelles (see figure). The hierarchical surface roughness can be tuned by adjusting the pH and molecular weight of the polymer segments. Optical functionality is imparted to the films by the inclusion of quantum dots or organic dyes in the hydrophobic cores, as depicted in the figure.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200701362