Advanced Materials Technologies,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 27, 2024
Abstract
Flexible
pressure
sensors
are
unprecedentedly
developed
on
monitoring
human
physical
activities
and
human–computer
interaction.
Simultaneously,
improving
the
sensitivity
range
of
flexible
is
a
great
challenge.
Despite
introduction
microstructures
dielectric
layer,
deformability
still
limited
due
to
size
constraints
microstructures,
iontronic
capacitive
sensor
(ICPS)
difficult
significantly
improve.
Here,
an
innovative
strategy
combining
nano‐ZnO
sodium
alginate
(SA)
ionogels
with
two‐stage
enhancement
(TSE)
structures,
which
can
enhance
toughness
ICPS
for
ultrasensitive
range,
proposed.
Compared
other
previously
reported
sensors,
in
this
work
exhibits
ultra‐high
(S
max
>17000
kPa
−1
,
S
min
>360
)
broad
sensing
more
than
900
maintains
stable
long‐term
working
durability
4000
cycles.
The
demonstrates
its
versatility
potential
practical
applications
activity
This
provides
general
achieve
broader
pressure‐response
higher
sensitivity,
offering
effective
way
low‐cost,
scalable
sensor.
Bioengineering,
Год журнала:
2024,
Номер
11(12), С. 1211 - 1211
Опубликована: Ноя. 29, 2024
Characterized
by
their
high
sensitivity
and
flexible
deformation,
pressure
sensors
have
been
extensively
applied
in
various
fields
such
as
wearable
electronics,
health
monitoring,
soft
robotics,
human–computer
interaction.
In
this
research,
we
developed
a
dual-response
sensor
(DRPS)
designed
to
identify
object
materials.
By
integrating
the
operating
principles
of
capacitive
resistive
employing
microstructured
dielectric
layers,
enhanced
detection
range
sensor.
Additionally,
research
introduced
an
innovative,
simple,
cost-effective
method
for
preparing
sensors.
Following
comprehensive
performance
evaluation,
DRPS
exhibited
sensitivity,
broad
range,
robust
stability.
Finally,
utilizing
mechanical
claw
equipped
with
intelligent
perception
data
collection
system,
effectively
distinguished
materials,
further
corroborating
practicality
applications.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(43), С. 58780 - 58790
Опубликована: Окт. 16, 2024
Microstructure
construction
is
a
common
strategy
for
enhancing
the
sensitivity
of
flexible
pressure
sensors,
but
it
typically
requires
complex
manufacturing
techniques.
In
this
study,
we
develop
iontronic
sensor
(FIPS)
by
embedding
an
isolated
three-dimensional
network
spacer
(3DNS)
between
ionic
gel
and
Ti3C2Tx
MXene
electrode,
thereby
avoiding
microstructure
By
leveraging
substantial
deformation
3DNS
high
capacitance
density
resulting
from
electrical
double
layer
effect,
exhibits
(87.4
kPa–1)
over
broad
high-pressure
range
(400–1000
kPa)
while
maintaining
linearity
(R2
=
0.998).
Additionally,
FIPS
demonstrates
rapid
response
time
46
ms,
low
limit
detection
at
50
Pa,
excellent
stability
10
000
cycles
under
600
kPa.
As
practical
demonstrations,
can
effectively
monitor
human
motion
such
as
elbow
bending
assist
robotic
gripper
in
accurately
sensing
gripping
tasks.
Moreover,
real-time,
adaptive
7
×
array
system
built
recognize
both
numeric
alphabetic
characters.
Our
design
philosophy
be
extended
fabricating
sensors
with
performance
without
involving
techniques,
facilitating
applications
monitoring,
tactile
sensing,
human–machine
interaction.
Advanced Materials Technologies,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 27, 2024
Abstract
Flexible
pressure
sensors
are
unprecedentedly
developed
on
monitoring
human
physical
activities
and
human–computer
interaction.
Simultaneously,
improving
the
sensitivity
range
of
flexible
is
a
great
challenge.
Despite
introduction
microstructures
dielectric
layer,
deformability
still
limited
due
to
size
constraints
microstructures,
iontronic
capacitive
sensor
(ICPS)
difficult
significantly
improve.
Here,
an
innovative
strategy
combining
nano‐ZnO
sodium
alginate
(SA)
ionogels
with
two‐stage
enhancement
(TSE)
structures,
which
can
enhance
toughness
ICPS
for
ultrasensitive
range,
proposed.
Compared
other
previously
reported
sensors,
in
this
work
exhibits
ultra‐high
(S
max
>17000
kPa
−1
,
S
min
>360
)
broad
sensing
more
than
900
maintains
stable
long‐term
working
durability
4000
cycles.
The
demonstrates
its
versatility
potential
practical
applications
activity
This
provides
general
achieve
broader
pressure‐response
higher
sensitivity,
offering
effective
way
low‐cost,
scalable
sensor.
