Advanced Functional Materials,
Год журнала:
2023,
Номер
33(16)
Опубликована: Фев. 9, 2023
Abstract
Strain
and
temperature
are
important
physiological
parameters
for
health
monitoring,
providing
access
to
the
respiration
state,
movement
of
joints,
inflammation
processes.
The
challenge
smart
wearables
is
unambiguously
discriminate
strain
using
a
single
sensor
element
assuring
high
degree
integration.
Here,
dual‐mode
with
two
electrodes
tubular
mechanically
heterogeneous
structure
enabling
simultaneous
sensing
without
cross‐talk
reported.
consists
thermocouple
coiled
around
an
elastic
strain‐to‐magnetic
induction
conversion
unit,
revealing
giant
magnetoelastic
effect,
accommodating
magnetic
amorphous
wire.
provides
its
coil
allows
measure
impedance
changes
caused
by
applied
strain.
also
exhibits
interference‐free
performance
coefficient
54.49
µV
°C
−1
,
low
detection
limits
0.05%
0.1
°C,
respectively.
use
these
sensors
in
textiles
monitor
continuously
breathing,
body
movement,
temperature,
ambient
demonstrated.
developed
multifunctional
wearable
needed
applications
early
disease
prevention,
interactive
electronics
as
well
prosthetics
intelligent
soft
robotics.
Journal of Materials Chemistry A,
Год журнала:
2020,
Номер
8(40), С. 21131 - 21141
Опубликована: Янв. 1, 2020
Flexible
conductive
MXene/cellulose
nanocrystal
coated
polyurethane
nonwoven
fabrics
were
designed
and
developed
for
wearable
strain/pressure
sensors
with
tunable
sensing
performance.
ACS Applied Materials & Interfaces,
Год журнала:
2021,
Номер
13(13), С. 15572 - 15583
Опубликована: Март 24, 2021
High-performance
flexible
strain
sensors
are
urgently
needed
with
the
rapid
development
of
wearable
intelligent
electronics.
Here,
a
bifiller
carbon
nanotubes
(CNTs)
and
graphene
(GR)
for
filling
porous
polydimethylsiloxane
(CNT-GR/PDMS)
nanocomposites
is
designed
prepared
strain-sensing
applications.
The
typical
microporous
structure
was
successfully
constructed
using
Soxhlet
extraction
technique,
connected
CNTs
GR
perfect
three-dimensional
conductive
network
in
skeleton.
As
result,
stretchability
sensitivity
CNT-GR/PDMS-based
were
well
regulated
based
on
synergistic
network.
Based
destruction
effect
brittle
located
outer
inner
layers
cell
skeleton
contact
between
adjacent
cells
different
ranges,
CNTs-GR/PDMS-based
sensor
exhibited
superior
gauge
factors
182.5,
45.6,
70.2,
186.5
0–3,
3–57,
57–90,
90–120%
regions,
respectively.
In
addition,
this
material
also
an
ultralow
detection
limit
(0.5%
strain),
fast
response
time
(60
ms),
good
stability
durability
(10,000
cycles),
frequency-/strain-dependent
sensing
performances,
making
it
active
various
external
environments.
Finally,
attached
to
skin
detect
human
motions,
such
as
wrist
bending,
finger
elbow
knee
thereby
demonstrating
wide
application
prospects
smart
devices.
