Nano Letters,
Journal Year:
2023,
Volume and Issue:
23(12), P. 5696 - 5704
Published: June 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.
Droplet,
Journal Year:
2024,
Volume and Issue:
3(2)
Published: March 25, 2024
Abstract
Droplets
and
bubbles
have
a
wide
range
of
applications
in
industry,
agriculture,
daily
life,
their
controllable
manipulation
is
significant
scientific
technological
importance.
Versatile
magnetically
responsive
strategies
been
developed
to
achieve
precise
control
over
droplets
bubbles.
To
manipulate
nonmagnetic
or
with
magnetic
fields,
the
presence
medium
indispensable.
Magnetic
additives
can
be
added
surface
interior
bubbles,
allowing
for
on‐demand
by
direct
actuation.
Alternatively,
elastomer
substrates
used
actuate
controlling
deformation
microstructures
on
through
stimulation.
Another
strategy
based
untethered
devices,
which
enables
free
mobility,
facilitating
versatile
flexible
manner.
This
paper
reviews
advances
from
perspective
An
overview
different
classes
medium,
along
respective
corresponding
droplet/bubble
methods
principles,
first
introduced.
Then,
biomedicine,
microchemistry,
other
fields
are
presented.
Finally,
remaining
challenges
future
opportunities
related
regulating
behavior
using
discussed.
Droplet,
Journal Year:
2024,
Volume and Issue:
3(2)
Published: Feb. 17, 2024
Abstract
Frosting
occurs
due
to
the
freezing
of
condensed
water
droplets
on
a
supercooled
surface.
The
nucleated
frost
propagates
through
interdroplet
bridges
and
covers
entire
surface,
resulting
from
deposition
highly
supersaturated
vapor
surrounding
tiny
droplets.
While
inhibition
formation
is
not
possible,
propagation
can
be
delayed
by
effectively
removing
Passive
technologies,
such
as
superhydrophobic
surfaces
(SHS)
hydrophobic
slippery
liquid‐infused
porous
(SLIPS),
rely
static
growth
direct
contact
with
densely
distributed
However,
use
these
approaches
in
delaying
involves
challenges,
distance
remains
small.
Here,
we
report
new
approach
spontaneous
droplet
movement
hydrophilic
SLIPS
delay
bridges.
Surface
tension
forces
generated
oil
meniscus
large
efficiently
pull
neighboring
diameter
less
than
20
μm
all
directions.
This
causes
dynamic
separation
between
an
adjacent
frozen
droplet.
Such
process
delays
Consequently,
there
significant
frosting
compared
those
SHS
SLIPS.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 6, 2025
Abstract
In
the
quest
for
advanced
coatings
suitable
foldable
electronics
and
photovoltaic
systems,
there
is
a
pressing
need
materials
that
combine
transparency
with
durability.
To
address
this,
innovative
special
horizontal
stripes
transparent
(SHT)
coating
prepared
by
capillary
gravity
self‐assembly
methods.
This
derived
from
structural
principles
of
corn
bracts
created
through
crosslinking
epoxy
hydrophobic
modified
SiO
2
an
organosilicon
prepolymer,
bridged
double
terminal
amino
polydimethylsiloxane.
The
pattern
surface
makes
SHT
more
than
glass,
bionic
structure
proven
to
be
highly
durable
under
extreme
temperature
fluctuations,
withstanding
tests
150
−20
°C
over
192
h,
enduring
30
days
ultraviolet
radiation
exposure
at
365
nm
intensity
W
m
−
.
Moreover,
even
after
3000
cycles
scissors
abrasion,
maintained
its
anti‐fouling
properties
mechanical
resilience.
It
also
demonstrated
remarkable
chemical
stability
across
range
solvents.
can
easily
applied
various
flexible
rigid
substrates
using
brush,
poised
find
broad
applications
in
realm
optical
devices.
Nano Letters,
Journal Year:
2023,
Volume and Issue:
23(12), P. 5696 - 5704
Published: June 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.
