ACS Applied Polymer Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 3, 2025
Ionic
conductor-based
stretchable
sensors
are
frequently
adopted
for
epidermal
electronics,
but
they
sensitive
to
changes
in
the
surrounding
temperature
and
humidity,
resulting
unstable
electrical
performance.
Here,
we
prepared
a
series
of
high-volume-content
ionic
liquid
filled
elastomers
(ILE).
A
volume
filling
content
50%
(ILE
50%)
was
obtained,
significant
improvement
dielectric
constant
from
3.0
22.1
at
100
kHz,
softness
composite
perfectly
preserved,
which
is
beneficial
preparing
high-performance
capacitive
sensors.
At
same
time,
ILE
can
maintain
good
properties
under
multiple
large
deformations
(50%)
as
well
(−20
80
°C)
high
humidity
(66%
RH
99%
RH)
environment,
showing
mechanical
environmental
stability.
This
strategy
provides
ideas
development
reliable
electronics.
Advanced Materials Technologies,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 5, 2024
Abstract
Hydrogels
are
excellent
options
for
strain
sensors
as
they
can
stretch,
endure
mechanical
stress,
and
possess
multifunctional
qualities.
Resistive
particularly
promising
among
the
diverse
hydrogel
available.
This
is
attributed
to
their
dedicated
focus
on
improving
indicators
of
strain‐sensing
performance,
simplicity
equipment,
straightforward
sensing
mechanisms,
easy
design
conductive
hydrogels.
Various
approaches
have
been
explored
create
hydrogels,
including
fillers,
polymers,
ionic
approaches.
review
thoroughly
explores
developing
advanced
hydrogels
resistive‐type
sensors.
The
electrical
conductivity
performance
indicators,
distinguishing
them
valuable
resources
researchers
in
field
First,
achieving
introduced.
subsequent
discussion
delves
into
multifunctionality
these
In
addition,
it
also
scrutinizes
recent
applications
Overall,
offers
comprehensive
updates
such
sensitivity,
working
range
linearity,
response
recovery
times,
hysteresis
using
study
includes
latest
trends
future
perspectives
Cell Reports Physical Science,
Год журнала:
2024,
Номер
5(7), С. 102073 - 102073
Опубликована: Июнь 28, 2024
Recently,
ionogels
have
attracted
significant
attention
in
the
field
of
flexible
wearable
sensors.
However,
obtaining
high-mechanical-strength
is
still
a
challenge.
Herein,
we
use
nanocellulose
as
macromolecular
covalent
cross-linker
combined
with
phase-separation
design
strategy
to
prepare
highly
tough
and
multifunctional
ionogel.
This
ionogel
has
excellent
mechanical
properties,
including
high
tensility
(975%),
strength
(3.29
MPa),
toughness
(13.15
MJ
m−3).
The
introduction
Zn2+
induces
formation
dynamic
cross-linked
structure,
endowing
good
self-healing
properties
(up
60%).
Due
rich
functional
groups
ionogel,
it
exhibits
robust
self-adhesive
(850
J
m−2).
With
these
this
can
be
used
fabricate
strain
sensors
detect
human
motion,
simply
spraying
curcumin
on
gel
surface
also
allows
monitor
pH
sweat
during
motion.
work
broadens
applications
provides
an
opportunity
for
high-value
utilization
nanocellulose.
ACS Applied Polymer Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 3, 2025
Ionic
conductor-based
stretchable
sensors
are
frequently
adopted
for
epidermal
electronics,
but
they
sensitive
to
changes
in
the
surrounding
temperature
and
humidity,
resulting
unstable
electrical
performance.
Here,
we
prepared
a
series
of
high-volume-content
ionic
liquid
filled
elastomers
(ILE).
A
volume
filling
content
50%
(ILE
50%)
was
obtained,
significant
improvement
dielectric
constant
from
3.0
22.1
at
100
kHz,
softness
composite
perfectly
preserved,
which
is
beneficial
preparing
high-performance
capacitive
sensors.
At
same
time,
ILE
can
maintain
good
properties
under
multiple
large
deformations
(50%)
as
well
(−20
80
°C)
high
humidity
(66%
RH
99%
RH)
environment,
showing
mechanical
environmental
stability.
This
strategy
provides
ideas
development
reliable
electronics.
