Chemistry of Materials,
Год журнала:
2024,
Номер
36(17), С. 8141 - 8158
Опубликована: Авг. 15, 2024
The
development
of
biomimetic
electronic
skin
(e-skin)
has
significant
value
in
many
fields,
including
health
monitoring,
soft
robotics,
wearable
devices,
and
human-machine
interaction.
As
a
potential
candidate
for
e-skin,
the
application
conductive
hydrogel
is
limited
by
factors,
such
as
complicated
fabrication
process,
insufficient
mechanical
performance,
poor
environmental
stability,
difficulty
degradation.
Here,
we
adopted
top-down
strategy
to
construct
multifunctional
collagen
fiber-derived
organohydrogel
which
fiber
scaffold
goatskin
was
filled
with
polyacrylamide
network.
This
displayed
excellent
fracture
stress
(2.87
MPa)
strain
(542%).
It
could
maintain
its
multifunctionality
even
at
−20
°C
after
long-term
storage.
Additionally,
this
demonstrated
considerable
adhesion
antibacterial
properties,
allowing
it
conform
closely
human
without
causing
bacterial
infection.
e-skin
sensors,
assembled
organohydrogel,
possessed
multiple
stimuli-responsive
modes
achieve
strain,
humidity,
temperature,
bioelectric
responsiveness,
precise
monitoring
body
movements,
facial
expressions,
voice
communication,
physiological
signals.
Notably,
discarded
be
effectively
degraded
under
natural
conditions.
In
brief,
study
gives
new
opinions
about
intelligent
demonstrates
pathway
high-value
utilization
animal
skin.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(24)
Опубликована: Фев. 21, 2024
Abstract
Achieving
highly
efficient
self‐powered
fibrous
sensing
systems
is
desirable
for
smart
electronic
textiles
but
remains
a
great
challenge.
Here,
bifunctional
hydrogel
proposed
by
introducing
of
polyacrylic
acid
grafted
MXene
(MXene‐g‐PAA)
into
polyacrylamide/chitosan,
achieving
high‐sensitivity
sensor
and
stable
electrolyte
battery.
The
MXene‐g‐PAA
flakes
act
as
ion
transport
“highway”,
significantly
enhance
ionic
conductivity,
thereby
increasing
the
sensitivity
sensors
facilitating
Zn
2+
diffusion
in
Zn‐ion
battery
(ZIB).
rich
hydrogen
bonding
network
improves
its
mechanical
properties
limits
water
molecule
movement,
thus
reducing
side
reactions
prolonging
stability
ZIB.
As
result,
exhibits
high
strain
(gauge
factor
2.4)
with
wide
detection
range
(0–800%),
capacity
(353
mAh
cm
−3
)
long
cycling
(400
cycles).
hydrogel‐based
ZIB
can
be
easily
integrated
flexible
system,
which
effectively
detects
human
movement
3D
ball
motion.
system
will
shed
light
on
development
next‐generation
textiles.
Materials Horizons,
Год журнала:
2024,
Номер
11(16), С. 3856 - 3866
Опубликована: Янв. 1, 2024
Hydrogel
strain
sensors
have
received
increasing
attention
due
to
their
potential
applications
in
human-machine
interfaces
and
flexible
electronics.
However,
they
usually
suffer
from
both
mechanical
electrical
hysteresis
poor
water
retention,
which
limit
practical
applications.
To
address
this
challenge,
a
poly(acrylic
acid-
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 24, 2024
Abstract
The
intricate
muscle
arrangement
structure
endows
the
biological
tissues
with
unique
mechanical
properties.
Inspired
by
that,
a
mechanically
robust
and
multifunctional
anisotropic
Polyacrylamide/Sodium
alginate/Zirconium
ion/Carbon
dots
(PAM/SA/Zr
4+
/CDs,
PSZC)
hydrogel
is
developed
through
synergistic
effect
of
mechanical‐assisted
stretching,
Zr
metal‐coordination
CDs
embedding.
resulting
exhibited
an
impressive
tensile
strength
2.56
MPa
exceptional
toughness
10.10
MJ
m
−3
along
stretching
direction,
attributing
to
oriented
alignment
PAM
SA
molecular
chains
induced
metal‐coordination.
dense
network
endowed
PSZC
excellent
anti‐swelling
performance,
achieving
swelling
ratio
only
1.7%
after
being
stored
in
water
for
30
days.
presence
conferred
remarkable
electrical
conductivity
2.15
S
−1
hydrogel.
Furthermore,
integration
carbon
imparted
fluorescence
properties,
rendering
it
visual
sensing
capabilities.
Overall,
straightforward
strategy
proposed
fabricating
suitable
underwater
sensing,
offering
valuable
insights
development
high‐performance
sensors.
Chemistry of Materials,
Год журнала:
2024,
Номер
36(17), С. 8141 - 8158
Опубликована: Авг. 15, 2024
The
development
of
biomimetic
electronic
skin
(e-skin)
has
significant
value
in
many
fields,
including
health
monitoring,
soft
robotics,
wearable
devices,
and
human-machine
interaction.
As
a
potential
candidate
for
e-skin,
the
application
conductive
hydrogel
is
limited
by
factors,
such
as
complicated
fabrication
process,
insufficient
mechanical
performance,
poor
environmental
stability,
difficulty
degradation.
Here,
we
adopted
top-down
strategy
to
construct
multifunctional
collagen
fiber-derived
organohydrogel
which
fiber
scaffold
goatskin
was
filled
with
polyacrylamide
network.
This
displayed
excellent
fracture
stress
(2.87
MPa)
strain
(542%).
It
could
maintain
its
multifunctionality
even
at
−20
°C
after
long-term
storage.
Additionally,
this
demonstrated
considerable
adhesion
antibacterial
properties,
allowing
it
conform
closely
human
without
causing
bacterial
infection.
e-skin
sensors,
assembled
organohydrogel,
possessed
multiple
stimuli-responsive
modes
achieve
strain,
humidity,
temperature,
bioelectric
responsiveness,
precise
monitoring
body
movements,
facial
expressions,
voice
communication,
physiological
signals.
Notably,
discarded
be
effectively
degraded
under
natural
conditions.
In
brief,
study
gives
new
opinions
about
intelligent
demonstrates
pathway
high-value
utilization
animal
skin.
