Nanotechnology,
Journal Year:
2024,
Volume and Issue:
36(4), P. 042002 - 042002
Published: Oct. 16, 2024
Abstract
As
a
pivotal
category
in
the
realm
of
electronics
skins,
flexible
pressure
sensors
have
become
focal
point
due
to
their
diverse
applications
such
as
robotics,
aerospace
industries,
and
wearable
devices.
With
growing
demands
for
measurement
accuracy,
data
reliability,
electrical
system
compatibility,
enhancing
sensor’s
linearity
has
increasingly
critical.
Analysis
shows
that
nonlinearity
primarily
originates
from
mechanical
nolinear
deformation
polymers
caused
by
changes
parameters
resistance.
These
nonlinearities
can
be
mitigated
through
geometric
design,
material
design
or
combination
both.
This
work
reviews
linear
strategies
perspectives
structure
materials,
covering
following
main
points:
(a)
an
overview
fundamental
working
mechanisms
various
sensors;
(b)
comprehensive
explanation
different
underlying
reasons;
(c)
detailed
review
existing
employing
these
achieved
effects.
Additionally,
this
delves
into
sensors,
spanning
safety,
electronic
skin,
health
monitoring.
Finally,
constraints
future
research
prospects
are
outlined
pave
way
further
development
high-performance
sensors.
Materials & Design,
Journal Year:
2024,
Volume and Issue:
238, P. 112640 - 112640
Published: Jan. 8, 2024
Motivated
by
artificial
intelligence,
we
present
a
novel
electronic
skin
(e-skin)
system
capable
of
dual-sensing
pressure
and
temperature
signals.
Our
approach
utilizes
laser-induced
graphene
polydimethylsiloxane,
offering
simple
yet
efficient
method
for
e-skin
preparation.
Experimental
results
reveal
exceptional
performance
with
good
sensitivity
(0.037
kPa−1
at
0–50
kPa),
wide
detection
range
(0–220
fast
response
time
56
ms,
an
ultra-low
limit
(30
Pa),
excellent
stability
(8000
cycles).
Additionally,
the
exhibits
positive
coefficients
(0.0025
℃-1)
within
20–100
℃,
rapid
2.57
s,
extremely
low
(1
℃),
after
50
cycles.
Crucially,
our
intelligent
system,
employing
Long
Short-Term
Memory
algorithm,
enables
real-time
multi-modal
tactile
perception,
accurately
separating
mixed
This
versatile
technology
holds
immense
potential
applications
in
robotics
human
health
monitoring.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(25)
Published: April 23, 2024
Abstract
Self‐powered
pressure
detection
using
smart
wearable
devices
is
the
subject
of
intense
research
attention,
which
intended
to
address
critical
need
for
prolonged
and
uninterrupted
operations.
Current
piezoelectric
triboelectric
sensors
well
respond
dynamic
stimuli
while
overlooking
static
stimuli.
This
study
proposes
a
dual‐response
potentiometric
sensor
that
responds
both
The
proposed
utilizes
interdigital
electrodes
with
MnO
2
/carbon/polyvinyl
alcohol
(PVA)
as
cathode
conductive
silver
paste
anode.
electrolyte
layer
incorporates
mixed
hydrogel
PVA
phosphoric
acid.
optimized
sandpaper‐like
microstructured
surface
contribute
enhanced
performance
by
facilitating
an
increased
contact
area
between
electrodes.
features
open‐circuit
voltage
0.927
V,
short‐circuit
current
6
µA,
higher
sensitivity
14
mV/kPa,
outstanding
cycling
(>5000
cycles).
It
can
accurately
recognize
letter
writing
enable
capacitor
charging
LED
lighting.
Additionally,
data
acquisition
display
system
employing
sensor,
facilitates
monitoring
athletes’
rehabilitation
training,
machine
learning
algorithms
effectively
guide
actions
are
presented.
offers
novel
solutions
future
development
devices.
IEEE Sensors Journal,
Journal Year:
2024,
Volume and Issue:
24(16), P. 25227 - 25248
Published: Aug. 15, 2024
In
recent
years,
pressure
sensors
have
been
widely
used
as
crucial
technology
components
in
industrial,
healthcare,
consumer
electronics,
and
automotive
safety
applications.
With
the
development
of
intelligent
technologies,
there
is
a
growing
demand
for
with
higher
sensitivity,
smaller
size,
wider
detection
range.
Graphene
its
derivatives,
novel
emerging
materials
received
widespread
attention
from
researchers
due
to
their
unique
mechanical
electrical
properties,
are
considered
promising
sensing
high-performance
sensors.
general,
graphene-based
can
be
classified
into
flexible
gas
this
paper,
we
firstly
introduce
basic
properties
graphene
derivatives
then
review
research
progress
both
respectively,
focusing
on
different
mechanisms.
Finally,
application
prospects
well
future
challenges
discussed.
Flexible
foam-based
sensors
have
attracted
substantial
interest
due
to
their
high
specific
surface
area,
light
weight,
superior
deformability,
and
ease
of
manufacture.
However,
it
is
still
a
challenge
integrate
multimodal
stimuli-responsiveness,
sensitivity,
reliable
stability,
good
biocompatibility
into
single
foam
sensor.
To
achieve
this,
magnetoresistive
sensor
was
fabricated
by
an
in
situ
freezing–polymerization
strategy
based
on
the
interpenetrating
networks
sodium
alginate,
poly(vinyl
alcohol)
conjunction
with
glycerol,
physical
reinforcement
core–shell
bidisperse
magnetic
particles.
The
assembled
exhibited
preferable
magnetic/strain-sensing
capability
(GF
≈
0.41
T–1
for
field,
4.305
tension,
−0.735
bending,
−1.345
pressing),
quick
response
time,
durability
up
6000
cycles
under
external
stimuli.
Importantly,
machine
learning
algorithm
developed
identify
encryption
information,
enabling
recognition
accuracies
99.22%
99.34%.
Moreover,
they
could
be
employed
as
health
systems
detect
human
physiological
motion
integrated
smart
arrays
perceive
pressure/magnetic
field
distributions.
This
work
provides
simple
ecofriendly
fabricate
biocompatible
potential
applications
next-generation
soft
electronics.
