ACS Applied Nano Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 29, 2024
Currently,
highly
stretchable
conductive
fibers
have
become
one
of
the
most
important
components
flexible
electronics
due
to
their
excellent
conductivity,
adaptability,
and
knittability.
In
this
work,
a
fiber
was
developed
with
thermoplastic
polyurethane
(TPU)
core
composited
sheath
liquid
metal
particles
(LMP)
multiwall
carbon
nanotubes
(CNTs)
by
simply
dip
coating
then
permeated
encapsulated
waterborne
(WPU)
layer.
After
mechanical
sintering,
resulting
WPU/LMP-CNTs/TPU
(WLCTF)
exhibited
ultrahigh
reaching
1.15
×
106
S/m,
along
remarkable
linearity
(R2
=
0.997)
across
large
strain
range
160%.
The
WLCTF
molded
process
into
helical
electrodes,
which
provided
stable
signal
output
at
1700%
an
extremely
high-quality
factor
5483.9
(helical
index
7).
Notably,
these
can
be
woven
fabric
substrates
possess
Joule
heating
capabilities
waterproof
properties;
in
addition,
is
engineered
efficiency
recycling.
With
its
consistent
sensing
capabilities,
electrical
recyclability,
properties,
holds
significant
potential
for
advancement
fields
wearable
technology.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 21, 2024
Lignocellulose-mediated
liquid
metal
(LM)
composites,
as
emerging
functional
materials,
show
tremendous
potential
for
a
variety
of
applications.
The
abundant
hydroxyl,
carboxyl,
and
other
polar
groups
in
lignocellulose
facilitate
the
formation
strong
chemical
bonds
with
LM
surfaces,
enhancing
wettability
adhesion
improved
interface
compatibility.
Beyond
serving
supportive
matrix,
can
be
tailored
to
optimize
microstructure
adapting
them
diverse
This
review
comprehensively
summarizes
fundamental
principles
recent
advancements
lignocellulose-mediated
highlighting
advantages
composite
fabrication,
including
facile
synthesis,
versatile
interactions,
inherent
functionalities.
Key
modulation
strategies
LMs
innovative
synthesis
methods
functionalized
composites
are
discussed.
Furthermore,
roles
structure-performance
relationships
these
electromagnetic
shielding,
flexible
sensors,
energy
storage
devices
systematically
summarized.
Finally,
obstacles
prospective
pertaining
thoroughly
scrutinized
deliberated
upon.
is
expected
provide
basic
guidance
researchers
boost
popularity
applications
useful
references
design
state-of-the-art
LMs.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 21, 2025
Abstract
Hydrogel‐based
electrodes
are
widely
used
in
electrophysiological
monitoring
for
personal
disease
prevention
and
home‐based
healthcare.
However,
limited
by
the
hydrogels’
low
toughness,
poor
adhesion,
weak
electrical
stability,
motion
artifacts
device
detachments
inevitable
after
long‐term,
continuous
monitoring.
Herein,
novel
liquid
metal@silk
fibroin
peptide
(LM@SF)
core‐shell
particles,
which
shell
SF
not
only
facilitates
core
LM's
dispersion
but
also
stabilizes
free
radicals,
designed
to
initiate
situ
formation
of
hydrogel
while
simultaneously
enhancing
its
conductivity.
As
applied
monitoring,
can
maintain
both
a
stable
physical
interface
transmission
skin,
thus
promoting
signal
acquisition
quality
obviously
even
during
exercise
long‐term
wearing.
At
last,
portable
flexible
patch
with
small
volume
(70
×
35
2
mm)
light
weight
(7
g)
is
developed
achieve
electrocardiogram
(ECG)
via
wireless
transmission,
demonstrating
high
potentials
telemedicine.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 28, 2025
Abstract
Neural
biointerfacing,
enabling
direct
communication
between
neural
systems
and
external
devices,
holds
great
promises
for
applications
in
brain
machine
interfaces,
prosthetics,
neuromodulation.
However,
current
electronics
made
of
conventional
rigid
materials
are
challenged
by
their
inherent
mechanical
mismatch
with
the
tissues.
Hydrogel
bioelectronics,
properties
compatible
tissues,
represent
an
alternative
to
these
limitations
enable
next‐generation
biointerfacing
technology.
Here,
overview
cutting‐edge
research
on
conducting
hydrogels
(CHs)
bioelectronics
development,
emphasizing
material
design
principles,
manufacturing
techniques,
essential
requirements,
corresponding
application
scenarios
is
presented.
Future
challenges
potential
directions
regarding
CHs‐based
technologies,
including
long‐term
reliability,
multimodal
hydrogel
closed‐loop
system
wireless
power
supply
system,
raised.
It
believed
that
this
review
will
serve
as
a
valuable
resource
further
advancement
implementation
iScience,
Год журнала:
2025,
Номер
28(2), С. 111737 - 111737
Опубликована: Янв. 2, 2025
Most
wearable
biosensors
struggle
to
balance
flexibility
and
conductivity
in
their
sensing
interfaces.
In
this
study,
we
propose
a
sensor
featuring
highly
stretchable,
three-dimensional
conductive
network
structure
based
on
liquid
metal.
The
interface
utilizes
patterned
Ga@MXene
hydrogel
system,
where
gallium
(Ga)
grafted
onto
MXene
provides
enhanced
electrical
malleability.
excellent
layered
structure.
Additionally,
the
chitosan
(CS)
hydrogel,
with
its
superior
water
absorption
stretchability,
allows
electrode
retain
sweat
closely
stick
skin.
demonstrates
low
limit
of
detection
(0.77
μM),
high
sensitivity
(1.122
μA⋅μM⁻1⋅cm⁻2),
broad
range
(10-1,000
meeting
requirements
for
wide
applications.
Notably,
can
also
induce
perspiration
wearer.
porous
Ga@MXene/CS
biosensor
ensures
flexibility,
making
it
suitable
variety
Gels,
Год журнала:
2025,
Номер
11(4), С. 258 - 258
Опубликована: Апрель 1, 2025
Conductive
hydrogels,
integrating
high
conductivity,
mechanical
flexibility,
and
biocompatibility,
have
emerged
as
crucial
materials
driving
the
evolution
of
next-generation
wearable
sensors.
Their
unique
ability
to
establish
seamless
interfaces
with
biological
tissues
enables
real-time
acquisition
physiological
signals,
external
stimuli,
even
therapeutic
feedback,
paving
way
for
intelligent
health
monitoring
personalized
medical
interventions.
To
fully
harness
their
potential,
significant
efforts
been
dedicated
tailoring
conductive
networks,
properties,
environmental
stability
these
hydrogels
through
rational
design
systematic
optimization.
This
review
comprehensively
summarizes
strategies
categorized
into
metal-based,
carbon-based,
polymer-based,
ionic,
hybrid
systems.
For
each
type,
highlights
structural
principles,
conductivity
enhancement,
approaches
simultaneously
enhance
robustness
long-term
under
complex
environments.
Furthermore,
emerging
applications
in
sensing
systems
are
thoroughly
discussed,
covering
signal
monitoring,
mechano-responsive
platforms,
closed-loop
diagnostic–therapeutic
Finally,
this
identifies
key
challenges
offers
future
perspectives
guide
development
multifunctional,
intelligent,
scalable
hydrogel
sensors,
accelerating
translation
advanced
flexible
electronics
smart
healthcare
technologies.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 10, 2025
Abstract
Liquid
metal
nanoparticles
(LMNPs)
are
being
considered
as
promising
candidates
for
printable
electronics
owing
to
their
high
conductivity
and
fluidity,
well
improved
wettability
comparable
that
of
bulk
LMs.
However,
the
surface
tension
weak
adhesion
LMNPs
pose
formidable
challenges
facile
patterning
on
various
substrates
diverse
applications.
Herein,
a
new
LMNP‐polymer
composite
is
reported
multifunctional
electronics,
which
achieved
by
introducing
α
‐lipoic
acid
(LA)/choline
chloride
(ChCl)
polymerizable
deep
eutectic
solvents
(PDESs)
ideal
polymer
carriers.
Simply
with
ring‐opening
polymerization
(ROP)
LA,
highly
conductive
LMNP‐PDES
composites
can
be
patterned
using
printing
methods.
Benefiting
from
hydrogen
bondings
within
PDES,
printed
traces
feature
enhance
consistent
performances
under
different
deformations.
More
importantly,
they
easily
dissolved
in
ethanol
via
thermal
treatment
reprinted
further
use,
showing
excellent
recyclable
capability.
Demonstrations
stretchable
sensor,
conformal
electrode,
smart
actuator
validate
versatility
reliability
this
composite,
ensuring
its
broad
prospects
electronics.
Eutectogels
are
recently
emerged
as
promising
alternatives
to
hydrogels
owing
their
good
environmental
stability
derived
from
deep
eutectic
solvents
(DES).
However,
construction
of
competent
eutectogels
with
both
high
conductivity
and
mechanical
toughness
is
still
difficult
achieve
yet
highly
demanded.
In
this
work,
new
LMNP-PEDOT-CMC-AA
(LPCA)
prepared
using
acrylic
acid
(AA)
carboxymethylcellulose
sodium
(CMC)
polymeric
networks,
liquid
metal
nanoparticle-poly(3,4-ethylenedioxythiophene)
(LMNP-PEDOT)
added
multifunctional
soft
fillers.
Benefiting
the
compliant
conductive
LMNP-PEDOT,
LPCA
exhibit
(0.224
S
m-1),
electromechanical
coupling,
stretchability
(4228%)
exceptional
(7.278
MJ
m-3).
Additionally,
abundant
hydrogen
interactions
available
functional
groups
within
endow
them
excellent
self-healing
adhesion
on
different
substrates.
Moreover,
demonstrate
superior
tolerance
including
anti-freezing
anti-drying,
thus
allowing
for
long-term
reliability.
These
appealing
characteristics
enable
accurate
stable
tracking
human
motions,
well
information
delivery
based
Morse
code.
This
study
opens
possibility
designing
tough
enabled
by
LM
composites.