Freshwater
scarcity
is
a
pressing
global
issue,
and
water
collection
from
fog
offers
promising,
cost-effective,
environmentally
friendly
solution.
Inspired
by
the
mechanisms
of
desert
beetles,
spider
webs,
cactus
spines,
we
designed
interconnecting
superhydrophilic-superhydrophobic-region
patterns
for
efficient
collection,
which
was
achieved
low-energy
fluorine-containing
coating
on
Aluminum
(Al)
substrate
followed
laser
marker
ablation
to
form
superhydrophilic
pattern
out
overall
superhydrophobic
surface.
The
featured
webs
combined
with
triangular
spines
surfaces
contact
angle
159.3°
rolling
<1°.
first
drop
time
optimally
patterned
sample
remarkably
short
at
only
51.3
s
weight
it
0.0414
g
under
flow
rate
600
mL/h,
result
that
has
rarely
been
reported
in
literature.
corresponding
reached
840.54
mg·cm-2·h-1,
68.64
229.38%
higher
than
those
surfaces,
respectively.
Even
compared
several
high-rate
literature,
our
demonstrated
superior
rate.
high
proportion
hydrophilic
regions
along
surface
energy
gradient,
Laplace
pressure,
Young-Laplace
pressure
originating
drove
excel
mist
adsorption,
nucleation,
growth,
directional
transport
droplets
shedding
point,
ensuring
timely
collection.
enhancement
mechanism
harvesting
inhomogeneous
wettable
analyzed,
one
focus
reducing
loss
hydrophobic
other
improving
balanced
cycling
process.
Additionally,
according
designs
suitable
large-scale
production
due
its
low
cost,
efficiency,
flexible
processing.
ACS Nano,
Год журнала:
2024,
Номер
18(19), С. 12489 - 12502
Опубликована: Май 3, 2024
Using
superhydrophobic
surfaces
(SHSs)
with
the
water-repellent
Cassie–Baxter
(CB)
state
is
widely
acknowledged
as
an
effective
approach
for
anti-icing
performances.
Nonetheless,
CB
susceptible
to
diverse
physical
phenomena
(e.g.,
vapor
condensation,
gas
contraction,
etc.)
at
low
temperatures,
resulting
in
transition
sticky
Wenzel
and
loss
of
capabilities.
SHSs
various
micronanostructures
have
been
empirically
examined
enhancing
stability;
however,
energy
barrier
transits
from
metastable
stable
thus
stability
enhancement
currently
not
enough
guarantee
a
well
appliable
performance
temperatures.
Here,
we
proposed
dual-energy-barrier
design
strategy
on
micronanostructures.
Rather
than
typical
single
conventional
CB-to-Wenzel
transition,
introduced
two
states
(i.e.,
I
II),
where
needed
go
through
II
then
state,
significantly
improving
entire
stability.
We
applied
ultrafast
laser
fabricate
this
micronanostructures,
established
theoretical
framework,
performed
series
experiments.
The
performances
were
exhibited
long
delay
icing
times
(over
27,000
s)
ice-adhesion
strengths
(0.9
kPa).
kinetic
mechanism
underpinning
enhanced
was
elucidated
attributed
preferential
liquid
pinning
shallow
closed
structures,
enabling
higher
CB-Wenzel
sustain
state.
Comprehensive
durability
tests
further
corroborated
potentials
designed
structures
applications.
Applied Physics Letters,
Год журнала:
2024,
Номер
125(7)
Опубликована: Авг. 12, 2024
Spontaneous
and
directional
water
droplet
transportation
based
on
patterned
surface
with
super-wettability
is
crucial
for
the
development
of
frontier
science
technology.
However,
cannot
meet
both
long
distance
fast
simultaneously.
Here,
we
overcame
this
limitation
by
proposing
an
asymmetric
serial
brachistochrone-shaped
pattern
(ASBP).
Water
could
be
transported
ASBP
a
72.52
mm
velocity
158
mm/s
after
series
single-factor
experiments,
orthogonal
design
optimization,
junction
transition
optimization.
In
addition,
curved
ASBP,
super-long
multi-droplet
scenarios,
at
inclination
angle.
Moreover,
acidic
alkaline
aqueous
solution
showed
similar
ASBP.
Based
aforementioned
superb
capacity,
can
applied
in
fields
fog
collection,
mixing
reaction,
reagent
detection.
This
work
has
strong
implications
promoting
application
field
high-performance
fluid
systems.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(27)
Опубликована: Март 10, 2024
Abstract
Superhydrophobic
surfaces
have
broad
application
prospects
in
various
fields
due
to
their
special
surface
wettability.
However,
most
artificial
superhydrophobic
are
fabricated
on
rigid
substrates
or
flexible
with
low
deformability,
and
performance
is
difficult
guarantee
when
a
large
deformation
occurs,
hindering
further
application.
Here,
ultra‐stretchable
(SU)
film
by
simple
template
replication
energy
modification
method
using
the
mixture
of
vulcanized
natural
latex
(VNR)
silicone
emulsion
as
raw
material.
The
prepared
SU
exhibits
excellent
elasticity
wettability
stability
can
maintain
good
superhydrophobicity
even
after
500%
tensile
strain.
Moreover,
droplets
dropped
bounced
time
without
any
residue,
avoiding
accumulation
film.
Finally,
magnetoelectric
generator
composed
an
electromagnetic
system
developed
realize
efficient
utilization
conversion
droplet
via
impacting
bouncing
behavior.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(30), С. 19268 - 19276
Опубликована: Янв. 1, 2024
A
spontaneous
fast-moving
air
film
not
only
prevents
the
escape
of
supplied
bubbles
but
also
replenishes
on
a
superhydrophobic
surface,
which
shows
an
amazing
27%
drag
reduction
rate
and
simultaneous
80%
antifouling
rate.
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 10, 2025
The
atmosphere
contains
≈1.3
billion
tons
vapor
that
can
be
condensed
to
obtain
water,
which
has
the
promise
of
alleviating
water
crisis.
However,
droplets
are
difficult
shed
from
condensation
surface
means
a
low
refreshing
frequency,
showing
collection
rate
and
efficiency.
Here,
this
limitation
is
successfully
overcome
by
proposing
novel
superhydrophobic
absorber
(SCA).
All
surfaces
SCA
but
covered
with
series
superhydrophilic
through
pores
points
enabled
rapid
droplet
nucleation
capability.
whole
processes
exhibit
extremely
small
shedding
volume
highly
frequent
refreshing,
0.00003
1.1×
106
times
existing
method,
respectively.
superior
than
methods,
reaching
80
mg
cm-2
h-1
at
subcooling
temperature
only
10
°C.
In
addition,
collected
clean
without
any
contaminant.
This
high-efficiency
eco-friendly
method
will
maximize
acquisition
atmosphere,
strong
implication
for
people
suffering
freshwater
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.
