Wetting Properties of Natural and Plasma-Processed Biomimetic Surfaces - Biomimetic Architectures by Plasma Processing - page 143

180

a

170

175°

c

f

160

165° 165°

b

g

150

154°

154°

d

140

143°

130

120

e

2

1

3°

150 900

100 200 300

500

Pitch value (nm)

Figure 4.21 Plot of the CA as a function of the AR for natural and artificial

surfaces with different material, the surfaces are (a) two-tier
structure with silicon wafer (Reprinted with permission from
Ref. [65], Copyright © 2010 WILEY-VCH Verlag GmbH & Co.
KGaA, Weinheim), (b) the mosquito eye compound structure
(Reprinted from Ref. [4], Copyright © 2007 WILEY-VCH Verlag
GmbH & Co. KGaA, Weinheim), (c) multi-coated polysilicon
nanostructure (Reprinted with permission from Ref. [72].
Copyright 2012 American Chemical Society), (d) TiO

-coated
SiNTs (Reprinted from Ref. [58] with permission from IOP
Publishing, copyright IOP Publishing, doi:10.1088/0957-
4484/17/10/017), (e) as-grown SiNTs (Reprinted from
Ref. [58] with permission from IOP Publishing, copyright
IOP Publishing, doi:10.1088/0957-4484/17/10/017),
(f) as-grown carbon nanotubes (Reprinted with permission
from Ref. [73]. Copyright 2003 American Chemical Society),
and (g) nanonail with a conductive silicon nail stem and
dielectric silicon oxide nail head (Reprinted with permission
from Ref. [74]. Copyright 2008 American Chemical Society).

2

4.6 Conclusion

The emerging field of biomimetic nanostructures is already

becoming an increasingly hot research topic in the scientific and