ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 3, 2025
Flexible
sensors
based
on
liquid
metal
(LM)
fillers
have
attracted
increasing
attention
due
to
their
excellent
stretchability,
flexibility,
and
biocompatibility.
However,
simultaneously
achieving
transparency,
high
sensitivity,
robust
mechanical
performance
remains
a
major
challenge.
In
this
study,
we
present
transparent
stretchable
flexible
composite
sensor
fabricated
by
combining
poly(vinyl
chloride)
(PVC)
with
dibutyl
adipate
(DBA)
incorporating
low
concentration
(0.1
wt
%)
of
LM
as
the
conductive
phase.
The
exhibits
transparency
50.12%,
resulting
from
optical
clarity
PVC/DBA
matrix,
nanoscale
dispersion
droplets,
formation
Ga3+
ions
upon
partial
surface
oxidation,
which
collectively
reduce
light
scattering
absorption.
PVC
also
acts
stabilizing
forming
protective
interface
around
droplets
enhance
interfacial
stability.
demonstrates
stretchability
(530%),
sensitivity
(gauge
factor
=
4.27),
reliable
in
humid
saline
environments.
This
work
offers
practical
strategy
for
developing
transparent,
durable,
high-performance
wearable
electronics
intelligent
systems.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 13, 2025
Flexible
electronic
circuits
are
critical
in
biomedical
devices,
human–machine
interfaces,
and
wearable
sensing
systems,
which
further
require
flexible
conductive
materials
with
high
conductivity,
stretchability,
electrical
stability.
Liquid
metal
(LM)
has
attracted
much
attention
due
to
its
unique
metallic
conductivity
room-temperature
fluidic
properties.
However,
LM's
surface
tension
properties
increase
the
difficulty
of
patterning
processing.
Here,
we
report
a
scalable
simple
fabrication
method
based
on
femtosecond
laser
ablation
for
facile
patterned
LM
Cu
composite
electrodes
(LM@Cu)
substrates.
The
LM@Cu
electrodes,
fabricated
utilizing
exceptional
micro–nanoprocessing
precision
three-dimensional
capabilities
lasers,
exhibit
resolution
(approximately
5
μm),
superior
(4.08
×
104
S/cm),
enhanced
In
addition
planar
circuits,
successfully
3D-patterned
electrode
PDMS
hemispheres.
presence
ultrathin
copper
foils
significantly
improves
wettability
substrate,
occurrence
alloying
reactions
between
circumvents
challenges
posed
by
pattern
fabrication.
We
investigated
electromechanical
under
twisting,
bending,
stretching
detail.
addition,
serve
as
an
interface
rigid
devices
When
suffering
external
damage,
remain
working
after
brush
coating
excellent
fluidity
LM.
To
explore
this
approach's
potential,
demonstrate
various
applications
electronics,
including
stretchable
luminous
wristbands,
strain
sensors,
"visible"
thermotherapy
panels
relieving
aching
joints.
Nano-Micro Letters,
Год журнала:
2024,
Номер
17(1)
Опубликована: Ноя. 18, 2024
Abstract
This
study
presents
a
breakthrough
in
flexible
strain
sensor
technology
with
the
development
of
an
ultra-high
sensitivity
and
wide-range
sensor,
addressing
critical
challenge
reconciling
measurement
range.
Inspired
by
structure
bamboo
slips,
we
introduce
novel
approach
that
utilises
liquid
metal
to
modulate
electrical
pathways
within
cracked
platinum
fabric
electrode.
The
resulting
demonstrates
gauge
factor
greater
than
10
8
capability
exceeding
100%.
integration
patterned
enables
customisable
tuning
sensor’s
response,
while
porous
ensures
superior
comfort
air
permeability
for
wearer.
Our
design
not
only
optimises
performance
but
also
enhances
stability
is
essential
practical
applications.
Through
systematic
investigation,
reveal
intrinsic
mechanisms
governing
offering
valuable
insights
wearable
sensors.
exceptional
across
spectrum
applications,
from
micro-strain
large-strain
detection,
highlights
its
potential
wide
range
real-world
uses,
demonstrating
significant
advancement
field
electronics.
Analytica—A Journal of Analytical Chemistry and Chemical Analysis,
Год журнала:
2025,
Номер
6(1), С. 3 - 3
Опубликована: Янв. 11, 2025
The
development
of
screen-printed
electrochemical
sensors
represents
a
rapidly
expanding
research
field
with
great
potential
for
applications
in
the
rapid
and
sensitive
determination
drugs
complex
matrices.
This
work
presents
review
state-of-the-art
examples
this
technology,
focusing
on
its
application
real
matrices
such
as
water,
pharmaceutical
formulations,
biological
fluids.
We
discuss
main
materials
used
developing
conductive
inks,
highlighting
their
properties
influence
sensor
performance.
characterization
is
crucial
to
ensure
reproducibility
reliability
results.
Additionally,
we
address
challenges
associated
these
matrices,
interferences
from
other
components
need
sample
pretreatment.
Finally,
present
future
perspectives
sensors,
an
emphasis
new
technologies
that
can
improve
sensitivity,
selectivity,
stability
devices.
