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.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(43), P. 58780 - 58790
Published: Oct. 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.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 28, 2024
Abstract
Dopamine
(DA)
is
a
neurotransmitter
secreted
by
the
brain
that
plays
variety
of
roles
in
central
nervous
system.
An
imbalance
dopamine
can
cause
range
disease
symptoms
and
negative
effects,
such
as
Parkinson's
arrhythmia.
Detecting
DA
accurately
rapidly
therefore
crucial
for
medical
diagnosis
prevention.
In
this
study,
PVP
rGO-MWCNT
were
encapsulated
using
hydrothermal
method
to
form
composite
material.
The
was
then
characterized
scanning
electron
microscopy
(SEM).
three
materials
combined,
based
on
this,
new
electrochemical
sensor
constructed.
It
worth
noting
high
specific
surface
area
conductivity
cooperate
with
amphiphilic
stable
dispersion
PVP,
which
further
improves
performance
DA.
Under
optimal
conditions,
content
detected
within
wide
low
detection
limit
explained
redox
process
sensor.
addition,
shows
satisfactory
recovery
accuracy
detecting
real
human
serum
samples
standard
addition
method.
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.