Electrospray-assisted fabrication of uniform photonic balls

Photonic balls have been fabricated (see Figure) by field-enhanced electrospray of an aqueous colloidal suspension. The polystyrene (PS) beads inside the suspension droplets self-organize into opaline balls while the solvent evaporates. The opaline balls are used as templates for inverse opaline photonic balls, and both types exhibit varying reflection colors depending on the diameter of the beads and the reflective index contrast.
Publisher
WILEY-V C H VERLAG GMBH
Issue Date
2004-04
Language
ENG
Keywords

CONDUCTING LIQUIDS; COLLOIDAL ASSEMBLIES; CRYSTALS; PARTICLES; GENERATION; MICROSPHERES; ATOMIZATION; DROPLETS; SPHERES; FIELDS

Citation

ADVANCED MATERIALS, v.16, no.7, pp.605 - +

ISSN
0935-9648
DOI
10.1002/adma.200305446
URI
http://hdl.handle.net/10203/9594
Appears in Collection
CBE-Journal Papers(저널논문)
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