Triply periodic bicontinuous structures as templates for photonic crystals: A pinch-off problem

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Triply periodic diamond, cubic, and gyroid structures are studied as templates for the fabrication of 3D photonic crystals (see figure). The achievable backfilling volume fraction and bandgap properties are analyzed by considering the pinch-off of level surfaces. The conformal coating on such templates is found to result in incomplete filling and loss of the photonic bandgap. An attempt to solve this problem is made by using electrophoretic deposition, which results in a nearly completely filled 3D titania structure.
Publisher
WILEY-V C H VERLAG GMBH
Issue Date
2007-06
Language
English
Article Type
Article
Keywords

HOLOGRAPHIC LITHOGRAPHY; MINIMAL-SURFACES; FABRICATION; DEPOSITION; BANDGAP; ELECTRODEPOSITION; MORPHOLOGIES; GROWTH; FILMS

Citation

ADVANCED MATERIALS, v.19, no.11, pp.1510 - +

ISSN
0935-9648
DOI
10.1002/adma.200700147
URI
http://hdl.handle.net/10203/12865
Appears in Collection
CBE-Journal Papers(저널논문)
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