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:
2023,
Volume and Issue:
2(2)
Published: March 16, 2023
Abstract
Droplet
impact
on
solid
surfaces
is
essential
both
in
nature
and
industry.
Precisely
regulating
the
dynamic
behavior
of
droplet
great
significance
for
energy
harvesting,
anti‐icing,
inkjet
printing,
pesticide
spraying,
many
other
fields.
Various
rebounding
behaviors
(deposition,
rebounding,
rotation,
instability
control,
so
on)
intrinsic
parameters
(such
as
contact
time)
after
droplets
impacting
can
be
regulated
by
surface
engineering.
This
paper
reviews
advances
from
perspective
symmetry
modifying
following
aspects:
chemical
modification
physical
structure
regulation,
which
discussed
mirror
rotational
symmetry.
Firstly,
dynamics
its
influencing
factors
are
introduced.
Then
modulation
symmetry,
using
homogeneous
heterogeneous
chemically
modified
surfaces,
summarized.
The
presents
influence
structures,
micro
to
macro
scale
compared
size,
Finally,
future
challenges
opportunities
regulation
discussed.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Jan. 11, 2023
In
the
present
study,
superhydrophobic
coating
was
synthesized
by
spherical
silica
nanostructures
modified
with
organosilane
compounds
for
glass
surfaces.
To
optimize
conditions
in
terms
of
cost-effectiveness
and
create
a
super-hydrophobic
high
contact
angle,
response
surface
method
central
composite
design
(CCD)
model
performed
StÖber
method,
angle
defined
as
model.
Tetraethoxysilane
(TEOS)
used
precursor
poly(dimethylsiloxane)
(PDMS)
to
modify
nanostructure
one-step
sol-gel
using
base
catalyst.
The
accuracy
research
checked
measurement
test
an
162°
obtained.
XRD,
FT-IR,
EDS,
SEM,
DLS,
AFM
analyzes
were
investigate
synthesis
nanostructure.
Chemical
resistance
acidic,
neutral,
alkaline
environments
angles
127°,
134°,
90°,
respectively,
which
indicates
that
created
on
has
good
chemical
acidic
neutral
environments.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(3)
Published: Oct. 15, 2023
Abstract
Developing
transparent
and
superamphiphobic
materials
that
can
repel
low‐surface‐tension
liquids
is
attractive
for
fundamental
research
industrial
applications.
Despite
great
progress,
it
remains
a
daunting
challenge
to
scalably
fabricate
highly
because
of
the
inherent
paradox
in
surface
roughness
achieve
superamphiphobicity
optical
transparency.
Herein,
scalable
template‐assisted
spray
coating
method
developed
form
hierarchical
nano
re‐entrant
structures
eliminate
visible‐light
scattering
while
maintaining
transmittance
above
88%
visible
region,
besides
retaining
various
low
surface‐tension
liquids.
In
addition
exhibiting
improved
mechanical,
chemical,
thermal
stabilities,
these
also
be
applied
on
substrates,
including
curved
surfaces
solar
panels,
enhance
their
stability.
This
study
believes
excellent
overall
properties
possess
enormous
potential
applications
involving
self‐cleaning,
anti‐fouling,
anti‐counterfeiting.
SusMat,
Journal Year:
2023,
Volume and Issue:
3(2), P. 207 - 221
Published: March 6, 2023
Abstract
Moisture‐responsive
actuators
are
widely
used
as
energy‐harvesting
devices
due
to
their
excellent
ability
spontaneously
and
continuously
convert
external
energy
into
kinetic
energy.
However,
it
remains
a
challenge
sustainably
synthesize
moisture‐driven
actuators.
Here,
we
present
sustainable
zero‐waste
emission
methodology
prepare
soft
using
carbon
nano‐powders
biodegradable
polymers
through
water
evaporation
method.
Due
the
solubility
recyclability
of
matrixes
employed
here,
entire
synthetic
process
achieves
emission.
Our
composite
films
featured
strong
figures
merit
capabilities
with
250°
maximum
bending
angle
under
90%
relative
humidity.
Programmable
motions
intelligent
bionic
applications,
including
walkers,
smart
switches,
robotic
arms,
flexible
excavators,
hand‐shaped
actuators,
were
further
achieved
by
modulating
geometry
This
method
for
actuators’
fabrication
has
great
potential
in
large‐scale
productions
applications
its
advantages
manufacturing,
recyclability,
inherent
adaptive
integration,
low
cost.
International Journal of Extreme Manufacturing,
Journal Year:
2024,
Volume and Issue:
6(3), P. 032005 - 032005
Published: Feb. 22, 2024
Abstract
Microfluidic
devices
are
composed
of
microchannels
with
a
diameter
ranging
from
ten
to
few
hundred
micrometers.
Thus,
quite
small
(10
−9
–10
−18
l)
amount
liquid
can
be
manipulated
by
such
precise
system.
In
the
past
three
decades,
significant
progress
in
materials
science,
microfabrication,
and
various
applications
has
boosted
development
promising
functional
microfluidic
devices.
this
review,
recent
on
novel
functions
is
presented.
First,
theory
numerical
methods
for
studying
performance
briefly
introduced.
Then,
fabrication
summarized.
Next,
advances
highlighted,
including
heat
sinks,
clean
water
production,
chemical
reactions,
sensors,
biomedicine,
capillaric
circuits,
wearable
electronic
devices,
microrobotics.
Finally,
perspectives
challenges
future
developments
This
review
aims
inspire
researchers
fields—engineering,
materials,
chemistry,
mathematics,
physics,
more—to
collaborate
drive
forward
specifically
achieving
carbon
neutrality.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(29)
Published: Feb. 12, 2024
Abstract
Interfacial
floater
possessing
an
open
surface
diversifies
the
functions
of
current
systems
in
field
solar
evaporation,
micro‐detector,
multiphase
catalysis,
etc.
However,
most
floaters
still
face
challenges
such
as
anti‐submersion,
orientation
adjusting,
and
multifunctional
capabilities.
Drawing
inspiration
from
water
striders
diving
bell
spiders,
here
a
superhydrophobic
cellular
origami
(SCO)
is
proposed
with
reliable
stability,
submerge
resistance,
switchable
floatability,
integration.
The
remarkable
floating
ability
achieved
through
air
storage
cells.
SCO
floats
stably
on
has
maximum
load
capacity
that
48%
higher
than
sheet.
Besides,
can
resurface
rapidly
after
complete
submersion,
even
using
titanium
metal
substrate.
To
further
enhance
universality
SCO,
Janus
unbalanced
structure
float
specific
facing
up
optimized
to
be
hinge
for
adjustable
buoyancy.
prove
concept
3D
structure,
cylindrical
presented
cable
locating
surface.
This
study
presents
achievable
strategy
extend
surfaces
into
anti‐sinking
floaters,
offering
valuable
insights
development
interface
carriers.
