ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(15), P. 19421 - 19431
Published: April 3, 2024
The
employment
of
flexible
piezoresistive
sensors
has
sparked
growing
interest
within
the
realm
wearable
electronic
devices,
specifically
in
fields
health
detection
and
e-skin.
Nevertheless,
advancement
been
impeded
by
their
limited
sensitivity
restricted
operating
ranges.
Consequently,
it
is
imperative
to
fabricate
with
heightened
expanded
ranges
through
utilization
appropriate
methodologies.
In
this
paper,
were
fabricated
utilizing
electrospun
polyvinylidene
fluoride/polyacrylonitrile/polyethylene-polypropylene
glycol
multilayer
fibrous
membranes
anchored
polypyrrole
granules
as
sensing
layer,
while
thermoplastic
polyurethane
(TPU)
fibers
employed
substrate.
sensor
investigated
varying
fiber
diameter
layer.
experimental
findings
reveal
that
a
concentration
14
wt
%
spinning
solution
exhibits
high
(996.7
kPa–1)
wide
working
range
(0–10
kPa).
This
attributed
favorable
prepared
at
concentration,
which
facilitates
uniform
situ
growth
pyrrole.
highly
deformable
TPU
layer
structure
enable
different
linear
responses
across
broad
pressure
(0–1
MPa).
Furthermore,
demonstrates
good
cyclic
stability
can
detect
human
movements
under
pressures.
These
results
suggest
significant
potential
for
future
monitoring
artificial
intelligence
applications.
ACS Applied Electronic Materials,
Journal Year:
2024,
Volume and Issue:
6(4), P. 2649 - 2658
Published: March 21, 2024
Flexible
pressure
sensors
have
a
variety
of
applications
in
the
field
wearable
electronics.
capacitive
attracted
attention
for
stability,
resistance
to
temperature
disturbances,
and
low
energy
consumption.
However,
sensitivity
that
sensor
maintains
over
wide
range
needs
be
improved.
In
this
article,
with
hemispherical
porous
polydimethylsiloxane
(PDMS)/carbon
nanotube
(CNT)
electrode
was
developed.
The
PDMS/CNTs
(HSP-PC)
can
maintain
0.379
kPa–1
0–10
kPa,
0.087
10–100
0.034
100–400
kPa.
proved
effective
monitoring
human
physiological
signals,
such
as
pulse
wave
joint
movement,
also
able
manipulate
mechanical
claw
movements
through
motions.
Sensor
component
materials
conductive
Ag
fabric
nonwoven
easily
sewn
onto
clothing,
showing
potential
human–machine
interaction
scenarios.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 2, 2024
Abstract
Electronic
skin
is
increasingly
receiving
tremendous
attention
for
its
potential
applications
in
medical
rehabilitation
and
human‐machine
interaction.
However,
the
trade‐off
between
detection
range
sensitivity
of
e‐skin
has
not
been
well
addressed,
although
various
strategies
have
proposed.
Interlocked
microridges
epidermis
dermis
can
effectively
transfer
stress
to
mechanoreceptors,
allowing
human
exhibit
excellent
even
upon
both
subtle
large
external
stimuli.
Herein,
inspired
by
skin,
a
novel
bionic
developed
which
interlocked
are
introduced
sensitive
layer
interdigitated
electrode.
Thanks
microridges,
compression
capability
remarkable
change
contact
area
electrode
be
achieved
exhibits
an
ultrahigh
(≈1502.5
kPa
−1
),
durability
(10
000
cycles),
short
response
time
ms)
as
wide
(≈160
kPa).
Moreover,
due
effective
transmission
from
electrode,
such
ability
detect
vital
signs
vibrations
caused
sound
waves.
Such
facile
preparation
opens
new
pathway
achieve
high‐performance
e‐skins
extend
their
application
prospects
future
wearable
intelligent
systems.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(15), P. 19421 - 19431
Published: April 3, 2024
The
employment
of
flexible
piezoresistive
sensors
has
sparked
growing
interest
within
the
realm
wearable
electronic
devices,
specifically
in
fields
health
detection
and
e-skin.
Nevertheless,
advancement
been
impeded
by
their
limited
sensitivity
restricted
operating
ranges.
Consequently,
it
is
imperative
to
fabricate
with
heightened
expanded
ranges
through
utilization
appropriate
methodologies.
In
this
paper,
were
fabricated
utilizing
electrospun
polyvinylidene
fluoride/polyacrylonitrile/polyethylene-polypropylene
glycol
multilayer
fibrous
membranes
anchored
polypyrrole
granules
as
sensing
layer,
while
thermoplastic
polyurethane
(TPU)
fibers
employed
substrate.
sensor
investigated
varying
fiber
diameter
layer.
experimental
findings
reveal
that
a
concentration
14
wt
%
spinning
solution
exhibits
high
(996.7
kPa–1)
wide
working
range
(0–10
kPa).
This
attributed
favorable
prepared
at
concentration,
which
facilitates
uniform
situ
growth
pyrrole.
highly
deformable
TPU
layer
structure
enable
different
linear
responses
across
broad
pressure
(0–1
MPa).
Furthermore,
demonstrates
good
cyclic
stability
can
detect
human
movements
under
pressures.
These
results
suggest
significant
potential
for
future
monitoring
artificial
intelligence
applications.
