Advanced Materials,
Год журнала:
2023,
Номер
36(3)
Опубликована: Авг. 5, 2023
Abstract
Photothermal
superhydrophobic
surfaces
are
potential
to
become
ideal
anti‐/deicing
due
their
rapid
water
removal,
icing
delay,
and
photothermal
deicing
performance.
Here,
a
robust
icephobic
surface
with
mechanical
durability
is
shown
that
integrated
microspine
array
inspired
by
honeycomb
cactus
thorn
(i.e.,
MAHC),
which
developed
laser‐layered
microfabrication
strategy.
The
maximum
stress
on
the
of
MAHC
reduced
≈2/3,
protection
bionic
structure.
Even
after
200
linear
abrasions
steel
blade,
remains
superior
repellency
contact
angle
150.7°
roll‐off
angles
10.3°,
stable
delay
time
(578.2
s),
rapidly
capabilities
(401
s).
As
fabricated
curvature
such
as
copper
alloy
transmission
line
for
an
overhead
high‐speed
rail,
in
low‐temperature
environment
still
can
be
achieved
effectively.
freezing
rain
covering
functional
completely
slides
off
within
758
s
under
one
sun
illumination.
This
studying
offers
insight
into
design
novel
materials
anti‐icing/icephobic
structures,
would
extended
some
applied
realms,
example,
transportation
fields
or
power
systems
cold
climates.
Advanced Materials,
Год журнала:
2023,
Номер
36(11)
Опубликована: Дек. 9, 2023
Droplet
impact
is
a
ubiquitous
liquid
behavior
that
closely
tied
to
human
life
and
production,
making
indispensable
impacts
on
the
big
world.
Nature-inspired
superhydrophobic
surfaces
provide
powerful
platform
for
regulating
droplet
dynamics.
The
collision
between
classic
phenomena
of
advanced
manufacture
lighting
up
future.
Accurately
understanding,
predicting,
tailoring
dynamic
behaviors
are
progressive
steps
integrate
into
versatile
applications
further
improve
efficiency.
In
this
review,
progress
phenomena,
mechanisms,
regulations,
surfaces,
bridging
gap
impact,
engineering
comprehensively
summarized.
It
highlighted
contact
rebound
two
focal
points,
their
fundamentals
regulations
elaborately
designed
discussed
in
detail.
For
first
time,
diverse
classified
four
categories
according
requirements
rebound.
remaining
challenges
also
pointed
out
future
directions
trigger
subsequent
research
from
both
scientific
applied
perspectives
outlined.
review
expected
general
framework
understanding
utilizing
impact.
Advanced Materials,
Год журнала:
2024,
Номер
36(24)
Опубликована: Апрель 7, 2024
Abstract
Electrowetting‐on‐dielectric
(EWOD),
recognized
as
the
most
successful
electrical
droplet
actuation
method,
is
essential
in
diverse
applications,
ranging
from
thermal
management
to
microfluidics
and
water
harvesting.
Despite
significant
advances,
it
remains
challenging
achieve
repeatability,
high
speed,
simple
circuitry
EWOD‐based
manipulation
on
superhydrophobic
surfaces.
Moreover,
its
efficient
operation
typically
requires
electrode
arrays
sophisticated
circuit
control.
Here,
a
newly
observed
phenomenon
surfaces
with
orbital
EWOD
(OEW)
reported.
Due
asymmetric
electrowetting
force
generated
orbit,
flexible
versatile
facilitated
OEW.
It
demonstrated
that
OEW
exhibits
higher
speed
(up
5
times
faster),
enhanced
functionality
(antigravity),
of
liquids
(acid,
base,
salt,
organic,
e.g.,
methyl
blue,
artificial
blood)
without
contamination,
good
durability
after
1000
tests.
envisioned
this
robust
strategy
using
will
provide
valuable
platform
for
various
processes
involving
droplets,
spanning
microfluidic
devices
controllable
chemical
reactions.
The
previously
unreported
control
shown
here
can
potentially
upgrade
microfluidics,
antifogging,
anti‐icing,
dust
removal,
beyond.
