Biomedical Engineering Reference
In-Depth Information
TABLe 9.1 (continued)
Nanofabrication.Approaches.to.Biomimetic.Butterly.Wing.Structures
Nanofabrication
Methods
Major Materials
Used
Structures Achieved
Pros and Cons
References
CEFR
Glass.replica
Chalcogenide.glasses
Pros
:.oblique.angle.deposition
Cons
:.relatively.complicated.process
Martín-Palma.
et.al..(2008)
Ultrasonication
SnO
2
,.SiO
2
,.and.TiO
2
.semiconductor.
photonic.crystal.structures
HCl,.NaOH,.metal.
oxide.precursors
Pros:
.simple.and.effective.process;
Cons
:.the.precursors.need.to.be.carefully.
selected;
Zhu.et.al..
(2009).and.Liu.
et.al..(2010)
Two-step.templating.
and.in.situ.
polymerization
Polypyrrole.photonic.crystal.structure
HCl,.NaOH,.ethanol/
water/TEOS/HCl.
solution,.SiO
2
,.
pyrrole,.FeCl
3
Pros
:.suitable.for.fabricating.polymer.wing
Cons
:.multiple.steps
Tang.et.al..
(2012)
Molding.
lithography
PDMS.replica
PDMS,.Pt/Au
Pros
:.mass.production;.simple;.low.cost
Cons
:.mimicking.the.wing.structure.
qualitatively.(only.surface.structure.
replicated)
Kang.et.al..
(2010)
EBL
Discrete.multilayer.structure.composed.
of.seven.layers.of.TiO
2
.(40.nm).and.SiO
2
.
(75.nm)
Quartz.substrate,.
TiO
2
.and.SiO
2
Pros
:.direct-write.process.without.the.need.of.
the.wing.template
Cons
:.time.consuming.and.low.throughput
Saito.et.al..
(2009,.2011)
Laser.direct-write
Microsized.patterns.composed.of.
nanostructures
SiO
2
.microspheres.
and.Si.substrate
Pros
:.direct-write.process.without.the.need.of.
the.wing.template
Cons
:.hard.to.completely.reproduce.the.
hierarchical.structure
Pena.et.al..
(2010)
