Multicolor patterning using holographic woodpile photonic crystals at visible wavelengths

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High-quality woodpile structures with photonic band gaps in the visible wavelength range were fabricated using a single prism holographic lithography technique. Woodpile structures were prepared to have a rod diameter of 160 nm, a lateral periodicity of 240 nm, and an axial periodicity of 300 nm, which is the smallest feature size for three-dimensional nanopatterned structures. A multicolor patterning method was used to vary the degree of crosslinking in the negative photoresist. These woodpile structures showed enhanced fluorescence due to a large surface area and the presence of bicontinuous interconnected pores.
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2013
Language
English
Article Type
Article
Keywords

OPTICAL INTERFERENCE HOLOGRAPHY; FABRICATION; LITHOGRAPHY; ELECTRODEPOSITION

Citation

NANOSCALE, v.5, no.10, pp.4110 - 4113

ISSN
2040-3364
DOI
10.1039/c3nr00644a
URI
http://hdl.handle.net/10203/174931
Appears in Collection
CBE-Journal Papers(저널논문)
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