Journal of Polymer Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 24, 2024
ABSTRACT
Eutectic
gels
have
great
advantages
in
the
application
of
flexible
wearable
electronic
devices
due
to
their
good
stability
and
flexibility.
However,
adhesion
properties
current
eutectic
are
poor
processing
process
is
complicated.
Based
on
this,
this
study
proposed
a
gel
with
excellent
that
can
be
photocurable
for
3D
printing.
We
designed
polymerizable
deep
solvent
(PDES)
using
acrylic
acid
as
main
monomer,
acid/choline
chloride
(AA/ChCl)
solvent,
dopamine‐grafted
cellulose
nanocrystals
(DC)
nanoscale
crosslinking
agent.
The
introduction
DC
endows
denser
hydrogen
bond
network,
which
effectively
provide
energy
dissipation
improve
mechanical
gel.
mussel‐inspired
dopamine
into
network
gives
adhesion.
low
freezing
point
volatility
PDES
give
resistance
long‐term
storage
stability.
Furthermore,
has
sensitivity
factor
up
9.5
(at
0%–900%
strain),
showing
strain
sensing
performance.
In
addition,
not
only
realize
customization
various
complex
structures
through
digital
light
(DLP)
printing
technology,
but
also
manufactured
complete
accurate
signals
human
body.
Therefore,
combination
multi‐performance
compatible
materials
technology
will
new
idea
design
manufacture
devices.
Advanced Materials Technologies,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 20, 2025
Abstract
Flexible
pressure
sensor
has
a
wide
range
of
applications
in
physiological
signal
monitoring.
Besides,
flexible
sensors
with
good
properties
like
high
sensitivity,
flexibility,
and
excellent
stability
have
become
key
direction
for
the
research.
In
this
paper,
micro‐structured
sponges
(polydimethylsiloxane/carbon
nanotube
(PDMS/CNT))
is
prepared
using
salt
template,
followed
by
application
vacuum
infiltration
to
introduce
graphene
nanoparticles
(GNPs)
into
sponge
skeleton.
Surface
microstructures
are
further
created
sandpaper
enhance
sensitivity.
The
not
only
achieves
gauge
factor
(GF
=
17.14)
extremely
low
detection
limits
(4.5
mN)
but
also
exhibits
exceptional
(over
3500
cycles
at
5%
strain,
periodic
signals
do
decay
or
show
significant
differences).
addition,
feature
fast
response
(80
ms).
proposed
method
features
cost
simple
production
processes,
showcasing
promise
extensive
potential
intelligent
healthcare
across
diverse
areas.
With
the
rapid
advancement
of
artificial
intelligence,
flexible
wearable
sensors
based
on
conductive
hydrogels
have
gained
significant
attention.
However,
conventional
often
use
toxic
cross-linkers
to
achieve
desirable
tensile
strength
by
forming
a
three-dimensional
network
structure.
This
impedes
their
potential
applications
in
sensors.
In
this
study,
we
present
an
approach
construct
purely
physically
cross-linked
liquid
metal-reduced
graphene
oxide
(GO)
composite
hydrogel,
entirely
free
from
cross-linkers.
The
results
show
that
hydrogel
has
outstanding
stretchable
properties
(strain:
348.22%,
stress:
4.239
MPa).
By
optimally
designing
hydrogel's
structure,
favorable
sensitivity
coefficients:
optimum
gauge
factor
=
20.2
(0–100%
strain,
R2
0.98),
and
wide
photothermal
response
range
(808–850
nm)
were
obtained.
Further,
incorporation
reduced
GO
@
metal
particles
(rGO@LM)
enhances
ability
strain
sensing
performance.
work
provides
pathway
for
development
with
high
multifunctional
responsiveness,
offering
promising
motion
detection
temperature
monitoring
ACS Sensors,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 12, 2025
Large-area,
flexible
pyroelectric
sensors
have
received
increasing
attention
in
a
range
of
applications
including
electronic
skin,
robotics,
and
military.
However,
existing
struggle
to
achieve
both
high
performance
excellent
mechanical
properties
simultaneously.
Here,
we
propose
universal
island-bridge
percolation
structure
inspired
by
the
electric
organ
ray
that
can
enable
nonpyroelectric
substrates
with
generate
effect.
The
network
made
particles
(island)
carboxyl-functionalized
multiwalled
carbon
nanotubes
(bridge)
achieved
transmission
superposition
effect
through
film
polarization
sensor
based
on
not
only
inherits
but
also
substrates.
fabricated
from
polydimethylsiloxane
(PDMS)
exhibit
good
reliability
even
under
30%
tensile
rate
5,000
tensile-retraction
cycles,
those
polyimide
(PI)
serve
as
skin
for
robots
detect
heat
sources
possess
infrared
sensing
maximum
distance
8
cm.
This
study
provides
ideas
fabricate
highly
high-performance
properties.
Journal of Materials Chemistry C,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
A
pressure
sensor
was
prepared
using
an
MXene/Ag
nanoflowers/cotton
fabric
with
superhydrophobicity
and
it
exhibited
high
sensitivity
over
a
wide
range.
It
has
promising
potential
for
applications
in
flexible
wearable
devices.
Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 27, 2025
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.
