Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 12, 2024
Abstract
Nanoscale
structuring
of
gallium‐based
liquid
metals
has
emerged
as
a
promising
approach
for
generating
unique
properties
and
functionalities
in
advanced
materials
devices.
However,
their
exceptionally
high
surface
tension
presents
significant
challenges
achieving
nanostructuring
using
conventional
fabrication
techniques.
Here,
hypergravity
nanoimprinting
method
is
introduced,
which
harnesses
horizontal
centrifugation
to
generate
fields
that
drive
gallium
into
nanoscale
cavities
on
an
elastic
polymer
stamp
at
subzero
temperatures,
where
it
solidifies
preserves
imprinted
features
down
100
nm
lateral
resolution.
This
surpasses
previous
limits
patterning,
enabling
phenomena
such
iridescent
structural
colors
with
wide
range
hues
saturation.
Numerical
simulations
reveal
the
intricate
fluid
dynamic
behaviors
interfacial
interactions
during
imprinting
process,
providing
valuable
insights
process
optimization
control.
By
synergistically
combining
soft
lithography
techniques
reversible
solid‐liquid
phase
transition
metals,
offers
practical
nanofabrication
approach,
facilitating
development
next‐generation
devices
finely
structured
nanofeatures
across
diverse
application
domains,
nanoelectronics
photonic
metamaterials.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 19, 2024
Abstract
This
review
offers
an
illuminating
journey
through
the
historical
evolution
and
modern‐day
applications
of
liquid
metals,
presenting
a
comprehensive
view
their
significance
in
diverse
fields.
Tracing
trajectory
from
mercury
to
contemporary
innovations,
paper
explores
pivotal
role
industry
research.
The
analysis
spans
electrical
switches,
mechanical
applications,
electrodes,
chemical
synthesis,
energy
storage,
thermal
transport,
electronics,
biomedicine.
Each
section
examines
intricacies
metal
integration,
elucidating
contributions
technological
advancements
societal
progress.
Moreover,
critically
appraises
challenges
prospects
inherent
addressing
issues
recycling,
corrosion
management,
device
stability,
economic
feasibility,
translational
hurdles,
market
dynamics.
By
delving
into
these
complexities,
advances
scholarly
understanding
actionable
insights
for
researchers,
engineers,
policymakers.
It
aims
catalyze
innovation,
foster
interdisciplinary
collaboration,
promote
metal‐enabled
solutions
needs.
Through
its
forward‐looking
perspective,
this
serves
as
guide
navigating
landscape
bridging
legacies
with
challenges,
highlighting
transformative
potential
metals
shaping
future
technologies.
Journal of Materials Chemistry C,
Год журнала:
2024,
Номер
12(28), С. 10246 - 10266
Опубликована: Янв. 1, 2024
We
summarize
the
molecular
design
of
photoresponsive
liquid-crystalline
polymers,
manipulation
at
multiple
scales
and
various
applications
based
on
their
intrinsic
properties,
providing
an
opportunity
for
future
development
in
this
field.
Enhancing
the
wettability
of
liquid
metals
(LMs)
to
address
their
high
surface
tensions
is
crucial
for
practical
applications.
However,
controlling
LMs
wetting
on
various
substrates
and
understanding
underlying
mechanisms
are
challenging.
Here,
we
present
a
facile
dynamic-wetting
strategy
modulate
eutectic
gallium-indium
(EGaIn)
via
chemical
modification,
spontaneously
forming
stable
thin
(∼18
μm)
EGaIn
layer.
Polymer
exhibiting
varying
behaviors
can
be
categorized
by
sliding
angles
adhesion
force.
X-ray
photoelectron
spectroscopy
results
demonstrate
that
process
occurs
only
surfaces
with
sufficient
oxygen-containing
functional
groups
(content
≥18%)
confirm
coordination
interactions
between
oxide
layer
groups.
Furthermore,
in
thermal
management
systems,
heat
transfer
rate
group
increased
up
20%
compared
nonwetting
group.
This
work
will
hasten
application
flexible
circuits
management.
In
recent
years,
flexible
sensors
have
gained
increasing
attention
due
to
their
excellent
flexibility.
Liquid
metal
(LM)
has
gradually
become
an
ideal
material
for
fabricating
sensors,
thanks
its
outstanding
electrical
conductivity
and
low-temperature
fluidity.
However,
oxidation
the
need
secondary
activation
of
LM
present
significant
technical
challenges
in
development
sensors.
this
paper,
we
introduce
a
simple
method
that
integrates
flexibility
polydimethylsiloxane
(PDMS)
fabricate
with
sandwich
structure.
The
sandwich-structured
sensor
demonstrates
superior
effectively
prevents
mechanical
activation.
Additionally,
PDMS-LM
exhibits
performance
under
various
conditions,
fast
response
time
stimuli
(0.5
s),
as
well
durability
stability
(>10,000
s
cycling).
These
remarkable
properties
give
great
potential
field
human
motion
monitoring,
bringing
further
direction
intelligent
sensing
technology.
Liquid
metals
(LMs),
with
their
unique
metallic
and
fluidic
properties
at
room
temperature,
show
promising
potential
in
advanced
thermal-related
applications.
Nevertheless,
challenges,
such
as
high
surface
tension,
limited
wettability,
phase
separation,
leakage,
corrosion,
limit
integration
into
broader
In
this
Perspective,
we
overview
the
interfacial
engineering
approaches
enhancing
compatibility
stability
of
LMs
complex
application
environments.
Additionally,
applications
thermal
energy
conduction,
storage,
conversion,
infrared
modulation
control
are
discussed.
This
Perspective
highlights
critical
role
LM-based
systems
pathways
for
developing
next-generation
LM-enabled
technologies.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 30, 2025
Abstract
Conductive
elastomers
are
in
high
demand
for
emerging
fields
such
as
wearable
electronics
and
soft
robotics.
However,
it
remains
unavailable
to
realize
the
desired
metal‐level
conductivity
after
extensive
stretching
cycles,
which
is
a
necessity
above
promising
application.
Here,
new
material
presented
that
employs
an
elastic,
homogeneous,
dense
waterborne
polyurethane
network
immobilize
liquid
metal
continuum
via
electrostatic
interactions.
This
design
enables
deform
synchronously
reversibly
with
polymer
network,
preserving
its
conductive
structure
significantly
enhancing
durability.
The
resulting
durable
metalgel
exhibits
of
3
×
10
6
S∙m
−1
,
stable
1
000
cycles.
work
overcomes
performance
limitations
current
unlocks
opportunities
cutting‐edge
applications
technology
