Nano Letters,
Год журнала:
2023,
Номер
23(12), С. 5696 - 5704
Опубликована: Июнь 8, 2023
A
surface
with
asymmetric
microstructures
for
self-driven
directional
spreading
of
liquid
has
attracted
keen
interest
from
researchers
in
recent
years
its
great
application
prospects.
Inspired
by
the
jaws
tiny
insects,
such
as
ants,
a
textured
novel
jaw-like
micro
one-way
valves
is
reported.
These
are
almost
two-dimensional,
thus
being
simple
and
easy
to
fabricate.
Whereas
surfaces
exhibit
amazing
rapid
long-distance
water
droplet
unidirectional
behaviors.
The
maximum
forward–backward
distance
ratio
droplets
on
optimized
about
14.5,
twice
those
previous
research.
capillary
attraction
at
location
mouth
pinning
effect
brought
sharp
edge
precursor
film
analyzed
deduced
main
mechanisms.
findings
open
promising
avenue
2D
microstructure
design
effective
spreading.
Nanoscale,
Год журнала:
2023,
Номер
15(27), С. 11473 - 11481
Опубликована: Янв. 1, 2023
Spontaneous
and
directional
water
transportation
(SDWT)
is
considered
as
an
ideal
method
has
a
great
prospect
in
the
aerospace
ship
fields.
Nonetheless,
existing
SDWT
limitation
of
slow
velocity
because
its
geometry
structure
configuration,
which
hinders
practical
application
SDWT.
To
overcome
this
limitation,
we
developed
new
superhydrophilic
serial
cycloid-shaped
pattern
(SSCP)
was
inspired
by
micro-cavity
shape
Nepenthes.
First,
experimentally
found
that
on
SSCP
faster
than
wedge-shaped
(SSWP)
analyzed
mechanism.
Then,
influence
parameters
investigated
single-factor
experiment.
In
addition,
enhanced
to
289
mm
s-1
combining
experiment,
orthogonal
optimization
design,
streamline
junction
transition
optimization,
pre-wet
pattern,
fastest
Moreover,
demonstrated
superior
capability
long-distance
transportation,
gravity
resistant
heat
transfer,
fog
collection.
This
finding
shows
remarkable
prospects
high-performance
fluid
system.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(20), С. 10012 - 10043
Опубликована: Янв. 1, 2024
Bioinspired
superwetting
oil–water
separation
strategy
is
summarized
from
confined-space
to
open-space,
static
dynamic
devices.
Strategies
are
evaluated
and
compared
current
challenges
feasible
solutions
emphasized.
Chemical Society Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Bioinspired
fluid
manipulating
interfaces
possessing
special
wettability,
an
asymmetric
structure,
and
a
geometric
gradient
were
systematically
reviewed,
including
history,
classification,
mechanisms,
fabrication
applications.
Structured
surfaces
leverage
interfacial
energy
for
directional
liquid
manipulation
without
external
power,
showing
tremendous
potential
in
microfluidics,
green
and
biomedical
applications.
While
the
interplay
of
between
solid
liquids
is
crucial
manipulation,
a
systematic
understanding
how
balance
liquid–solid
affects
behaviors
remains
lacking.
Here,
using
curvature-ratchet
surface
as
generic
example,
we
reveal
complex
dynamics
inherent
subtle
regulation
energy.
We
show
that
curvature
tilt
features
regulate
Laplace
pressure
asymmetry
to
enable
directional,
bidirectional
reverse
manipulation.
These
processes
can
be
modulated
by
free
tension,
define
their
ratio
new
dimensionless
number
ζ
characterize
relationship.
The
balanced
control
happens
when
∼
1,
which
facilitates
versatile
behaviors,
e.g.,
fan-shaped
spreading,
gradient-induced
redirection,
back-and-forth
transport
on
various
array
arrangements,
all
resulting
from
matching
structural
designs
with
proper
ζ.
Inspired
this,
showcase
an
innovative
liquid-based
information
encryption
technique,
where
displays
correct
preprogrammed
only
at
designated
values.
This
study
lays
groundwork
smart
broadens
its
application
domains.
Polymers,
Год журнала:
2023,
Номер
15(3), С. 543 - 543
Опубликована: Янв. 20, 2023
As
research
on
superhydrophobic
materials
inspired
by
the
self-cleaning
and
water-repellent
properties
of
plants
animals
in
nature
continues,
preparation
methods
applications
surfaces
are
widely
reported.
Silicones
preferred
for
because
their
inherent
hydrophobicity
strong
processing
ability.
In
materials,
silicones
can
both
form
micro-/nano-structures
with
dehydration
condensation
reduce
surface
energy
material
intrinsic
hydrophobicity.
The
layers
silicone
substrates
characterized
simple
fast
reactions,
high-temperature
resistance,
UV
anti-aging.
Although
have
disadvantages
relatively
low
mechanical
stability,
this
be
improved
rational
design
structure.
Herein,
we
summarize
made
from
substrates,
including
cross-linking
processes
through
hydrosilation,
hydrophobic
modification
grafting
silicones.
silicone-based
been
introduced
such
as
self-cleaning,
corrosion
oil–water
separation,
etc.
This
review
article
should
provide
an
overview
to
bioinspired
serve
inspiration
development
polymer
interfaces
colloid
science.
International Journal of Extreme Manufacturing,
Год журнала:
2023,
Номер
6(1), С. 012008 - 012008
Опубликована: Окт. 18, 2023
Abstract
Bio-inspired
macrostructure
array
(MAA,
size:
submillimeter
to
millimeter
scale)
materials
with
special
wettability
(MAAMs-SW)
have
attracted
significant
research
attention
due
their
outstanding
performance
in
many
applications,
including
oil
repellency,
liquid/droplet
manipulation,
anti-icing,
heat
transfer,
water
collection,
and
oil–water
separation.
In
this
review,
we
focus
on
recent
developments
the
theory,
design,
fabrication,
application
of
bio-inspired
MAAMs-SW.
We
first
review
history
basic
theory
discuss
representative
structures
corresponding
functions
some
biological
surfaces,
thus
setting
stage
for
design
fabrication
then
summarize
methods
wetting
MAAs
terms
three
categories:
additive
manufacturing,
subtractive
formative
as
well
diverse
functional
providing
insights
into
development
these
Finally,
challenges
directions
future
MAAMs-SW
are
briefly
addressed.
Worldwide
efforts,
progress,
breakthroughs
from
surface
engineering
applications
elaborated
herein
will
promote
practical
Nanoscale,
Год журнала:
2023,
Номер
15(11), С. 5139 - 5157
Опубликована: Янв. 1, 2023
Engineering
surfaces
or
membranes
that
allow
an
efficient
oil/water
separation
is
highly
desired
in
a
wide
spectrum
of
applications
ranging
from
oily
wastewater
discharge
to
offshore
oil
spill
accidents.
Recent
advances
biomimetics,
manufacturing,
and
characterization
techniques
have
led
remarkable
progress
the
design
various
superwetting
materials
with
special
wettability.
In
spite
exciting
progress,
formulating
strategy
robust
enough
guide
fabrication
separating
remains
daunting
challenge.
this
review,
we
first
present
overview
wettability
theory
elucidate
how
control
surface
morphology
chemistry
regulate
separation.
Then,
parallel
approaches
are
considered
for
discussing
mechanisms
according
different
mixtures,
three
types
were
identified
including
filtration,
adsorption
other
types.
Finally,
perspectives
on
challenges
future
research
directions
area
briefly
discussed.
