Biomimetic microlens array with antireflective ''moth-eye'' surface

Title
Biomimetic microlens array with antireflective ''moth-eye'' surface
Authors
고두현John R. TumblestonKevin J. HendersonLarken E. EulissJoseph M. DeSimoneRene LopezEdward T. Samulski
Issue Date
2011-07
Publisher
Soft Matter
Citation
VOL 7, NO 14, 6404-6407
Abstract
We report a replication route to non-planar, three dimensional microlens arrays with an antireflective surface nanopattern. Our methodology uses the surface topography of the Attacus atlas moth’s compound eye and a soft lithographic technique to fabricate topographically faithful moulds that, in turn, are used to reproducibly replicate the original eye surface with nanoscale fidelity. In addition to antireflection, the resulting poly(urethane) replica with its ‘‘moth-eye’’ nanopattern also exhibits increased hydrophobicity relative to the unpatterned polymer. The materials flexibility of the perfluoropolyether mould fabricated via replica moulding enables, for example, the embossing of antireflective nanopatterns in the photoactive materials of organic solar cells.
URI
http://pubs.kist.re.kr/handle/201004/47979
ISSN
1744683X
Appears in Collections:
KIST Publication > Article
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