Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 20, 2025
Abstract
Flexible
multi‐signal
coupling
devices
are
essential
for
intelligent
sensing
and
information
processing.
However,
the
development
of
stretchable
remains
challenging.
Herein,
a
sandwich‐structured,
mechano‐electro‐optical
(MEOC)
device
is
introduced
that
outputs
both
electrical
optical
signals
during
mechanical
stretching.
A
nanometer‐thick
gold
film
deposited
on
sides
electroluminescent
layer,
facilitating
reversible
formation
microcrack
networks
These
exhibit
strain‐dependent
changes
in
resistance
transmittance,
which
modulate
device's
outputs.
The
MEOC
achieves
an
ultralow
strain
detection
threshold
0.05%
high
stretchability
up
to
80%.
Two
variations
with
thickness‐patterned
electrodes
designed
demonstrated
dynamic
encryption
decryption.
As
proof
concept,
used
joint‐based
health
management,
showcasing
its
potential
display
applications.
This
holds
significant
promise
displays
interactive
devices.
Sensors,
Journal Year:
2025,
Volume and Issue:
25(3), P. 637 - 637
Published: Jan. 22, 2025
This
study
aims
to
establish
an
equivalent
parallel
capacitance
model
for
a
copper/polydimethylsiloxane
(Cu/PDMS)
capacitive
flexible
pressure
sensor
and
modulate
its
relative
permittivity
optimize
sensing
performance.
The
Cu/PDMS
composite
material
is
ideal
dielectric
layer
sensors
due
high
constant
tunable
elasticity.
By
adjusting
the
different
mixing
ratios
of
PDMS
copper
particles
in
micro
size,
components
structure
properties
can
be
modified,
thereby
affecting
electrical
mechanical
performance
sensor.
We
used
finite
element
analysis
(FEA)
studied
changes
under
various
normal
loading
conditions
assess
sensitivity
distribution
characteristics.
Experimental
results
show
that
has
good
repeatability
range
0
50
kPa.
Additionally,
we
explored
effect
addition
carbon
black
particles.
It
could
inferred
added
enhance
conductivity,
which
would
consequenced
by
optimization
Cu
black’s
low
density,
it
mechanically
restore
some
flexibility
up
nearly
20%.
Through
these
studies,
our
work
provide
theoretical
support
design
application
sensors.
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
The
emerging
flexible
iontronic
sensing
(FITS)
technology
offers
a
novel
approach
to
tactile
perception,
mimicking
human
skin's
structure
and
enabling
seamless
integration
with
biological
systems.
This
review
highlights
its
latest
advancements.
Polymers,
Journal Year:
2025,
Volume and Issue:
17(7), P. 941 - 941
Published: March 30, 2025
This
review
focuses
on
deepening
the
structural
understanding
of
crack-based
strain
sensors
(CBSS)
stretchable
and
flexible
polymeric
substrates
promoting
sensor
performance
optimization.
CBSS
are
cutting-edge
devices
that
purposely
incorporate
cracks
into
their
functional
elements,
thereby
achieving
high
sensitivity,
wide
working
ranges,
rapid
response
times.
To
optimize
CBSS,
systematic
research
characteristics
is
essential.
comprehensively
analyzes
key
factors
determining
such
as
crack
mechanism,
geometrical
factors,
structures
proposes
optimization
strategies
grounded
in
these
insights.
In
addition,
we
explore
potential
numerical
analysis
machine
learning
to
offer
novel
perspectives
for
Following
this,
introduce
various
applications
CBSS.
Finally,
discuss
current
challenges
future
prospects
research,
providing
a
roadmap
next-generation
technologies.
Ramie
fiber
yarn
(PRF),
characterized
by
its
superior
microwave
transmittance
(MWT),
is
a
novel
material
that
can
effectively
substitute
traditional
glass
(D-GF)
in
the
fabrication
of
composites
for
communication
equipment
shells.
However,
super
hydrophilicity
and
inadequate
thermal
conductivity
(λ)
PRF
hinder
overall
performance
safety
use.
To
date,
no
effective
strategy
has
been
developed
to
prepare
multifunctional
PRF-reinforced
composites,
including
high
hydrophobicity,
MWT,
λ.
Herein,
integrating
template
method
with
vacuum-assisted
spraying
technology,
mosquito-eye-like
honeycomb
network
was
constructed
on
surface
fabric.
This
network,
composed
nacre-like
brick-and-mortar
microstructures
as
fundamental
units,
achieves
both
mesoscopic
microscopic
order.
The
biomimetic
microstructure
enable
fabric
transition
from
superhydrophilic
high-hydrophobic,
significantly
reducing
water
absorption
levels
similar
D-GF-reinforced
composites.
Furthermore,
structures
are
incorporated
into
composite
interface
via
surface,
resulting
MWT
λ
values
up
98%
1.0582
W/mK,
respectively.
Importantly,
waste
be
fully
transformed
particles,
thereby
enabling
closed-loop
recycling
reuse.
offer
an
efficient
versatile
modification
Nano-Micro Letters,
Journal Year:
2025,
Volume and Issue:
17(1)
Published: April 29, 2025
Abstract
Bimodal
pressure
sensors
capable
of
simultaneously
detecting
static
and
dynamic
forces
are
essential
to
medical
detection
bio-robotics.
However,
conventional
typically
integrate
multiple
operating
mechanisms
achieve
bimodal
detection,
leading
complex
device
architectures
challenges
in
signal
decoupling.
In
this
work,
we
address
these
limitations
by
leveraging
the
unique
piezotronic
effect
Y-ion-doped
ZnO
develop
a
sensor
(BPS)
with
simplified
structure
enhanced
sensitivity.
Through
combination
finite
element
simulations
experimental
validation,
demonstrate
that
BPS
can
effectively
monitor
both
forces,
achieving
an
on/off
ratio
1029,
gauge
factor
23,439
force
response
duration
up
600
s,
significantly
outperforming
performance
piezoelectric
sensors.
As
proof-of-concept,
demonstrates
continuous
monitoring
Achilles
tendon
behavior
under
mixed
loading
conditions.
Aided
deep
learning
algorithms,
system
achieves
96%
accuracy
identifying
movement
patterns,
thus
enabling
warnings
for
dangerous
movements.
This
work
provides
viable
strategy
monitoring,
highlighting
its
potential
wearable
electronics.
