Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 26, 2025
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.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 31, 2025
In
this
work,
the
regulation
of
liquid
self-transport
is
achieved
through
architectural
and
thermal
coupling,
transitioning
from
free
surfaces
to
open
channels.
Hierarchical
structures
inspired
by
skin
a
Texas
horned
lizard
are
designed,
with
primary
structure
wedged
grooves
secondary
capillary
crura.
This
design
enables
advantages
including
long-distance
self-transport,
storage
active
reflux
management
on
surfaces,
directional
transportation,
synthesis
detection
reagents
in
confined
spaces,
as
well
controllable
motion
enhanced
heat
dissipation
The
capacity
can
be
precisely
controlled
adjusting
crura
external
gradients.
mechanism
further
elucidated
microscopic
flow
observation
deduced
theoretical
model.
proposed
expected
introduce
new
concept
for
designing
lubrication
systems,
microfluidic
chips,
methods
chemical
synthesis,
transfer
future.
Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 26, 2025
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.