Advanced Electronic Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 25, 2024
Abstract
This
study
introduces
a
novel
Room‐Temperature
Processable
Stretchable
Conductive
Composite
(RTPSC),
uniquely
combining
room‐temperature
processability,
stretchability,
and
conductivity.
Unlike
traditional
conductive
materials
requiring
thermal
or
UV
curing,
which
can
damage
heat‐sensitive
components
cause
substrate
distortion,
RTPSC
uses
Styrene‐Butadiene‐Styrene
(SBS)
elastomer
blended
with
silver
fillers
paraffin
oil.
composition
enables
rapid
solidification
within
five
minutes
at
room
temperature,
mitigating
risks.
Surface
ligands
on
flakes
are
replaced
oleylamine,
resulting
in
uniform
distribution
enhanced
resistance
to
acids,
bases,
oxidation.
The
composite
exhibits
low
contact
(0.1
Ω
across
7.7
mm
2
)
maintains
robust
mechanical
electrical
properties
under
extensive
deformation,
thanks
its
high
adhesion
force
(704.5
gF/25
mm).
Notably,
change
remains
0.15
even
after
1800
cycles
50%
strain.
RTPSC's
viscosity
be
finely
tuned
by
adding
solvents
secondary
fluids,
enabling
various
printing
techniques
from
spray
omni‐directional
printing.
adaptability
allows
intricate
patterning
delicate
structures
via
versatile
connections
between
stretchable
electrodes
rigid
through
These
capabilities
provide
design
flexibility
ease
of
repair,
making
highly
suitable
for
innovative
development
maintenance
electronic
devices.
Nano-Micro Letters,
Год журнала:
2024,
Номер
17(1)
Опубликована: Ноя. 27, 2024
Smart
farming
with
outdoor
monitoring
systems
is
critical
to
address
food
shortages
and
sustainability
challenges.
These
facilitate
informed
decisions
that
enhance
efficiency
in
broader
environmental
management.
Existing
equipped
energy
harvesters
self-powered
sensors
often
struggle
fluctuating
sources,
low
durability
under
harsh
conditions,
non-transparent
or
non-biocompatible
materials,
complex
structures.
Herein,
a
multifunctional
hydrogel
developed,
which
can
fulfill
all
the
above
requirements
build
self-sustainable
solely
by
it.
It
serve
as
stable
harvester
continuously
generates
direct
current
output
an
average
power
density
of
1.9
W
m
Advanced Engineering Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 13, 2025
This
review
aims
to
summarize
recent
advances
in
3D
printing
technologies
for
polymer‐based
bone
scaffolds,
focusing
on
material
applications
and
clinical
implications.
The
applicable
different
materials
are
discussed
with
their
characteristics
application
advantages,
specifically
the
common
techniques
polymer
used.
Recent
of
3D‐printed
scaffolds
multifunctionality
(i.e.,
drug
delivery,
regeneration
minimally
invasive
implantation)
then
presented
provide
guidance
potential
applications.
Abstract
Cellulose,
the
most
abundant
natural
polymer,
is
characterized
by
its
unique
molecular
architecture,
which
enables
strategic
engineering
into
functional
gel
materials
such
as
ionogels
and
hydrogels.
Despite
significant
advancements
in
cellulose
technology,
especially
area
of
ionogels,
challenges
remain
fully
exploring
their
properties
broadening
applications.
This
review
examines
development
evolution
gels,
focusing
on
new
directions
molecular‐scale
design
for
these
materials.
Strategies
to
enhance
mechanical
performance,
ionic
conductivity,
self‐healing
gels
are
systematically
outlined,
emphasizing
regulation
assembly,
creation
dynamic
bonds,
switchable
supramolecular
networks.
Furthermore,
emerging
applications
electronic
skins,
flexible
electronics,
smart
devices,
biomedical
science
discussed.
Performance
targets
trends
identified,
highlighting
potential
role
artificial
intelligence
predicting
accelerating
process.
work
proposes
feasible
scalable
strategies
aimed
at
improving
gels.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 11, 2024
Abstract
The
low
electrical
conductivity
of
conductive
hydrogels
limits
their
applications
as
soft
conductors
in
bioelectronics.
This
originates
from
the
high
water
content
hydrogels,
which
impedes
facile
carrier
transport
between
fillers.
study
presents
a
highly
and
stretchable
hydrogel
nanocomposite
comprising
whiskered
gold
nanosheets.
A
dry
network
nanosheets
is
fabricated
then
incorporated
into
wet
matrices.
preserve
tight
interconnection
despite
content,
providing
high‐quality
percolation
even
under
stretched
states.
Regardless
type
matrix,
gold‐hydrogel
nanocomposites
exhibit
≈520
S
cm
−1
stretchability
≈300%
without
requiring
dehydration
process.
reaches
maximum
≈3304
when
density
controlled.
gold‐adhesive
nanocomposite,
can
achieve
conformal
adhesion
to
moving
organ
surfaces,
for
bioelectronics
demonstrations.
adhesive
electrode
outperforms
elastomer‐based
electrodes
vivo
epicardial
electrogram
recording,
pacing,
sciatic
nerve
stimulation.
Electrically
conductive
hydrogels
are
highly
hydrated
3D
networks
consisting
of
a
hydrophilic
polymer
skeleton
and
electrically
materials.
Conductive
have
excellent
mechanical
electrical
properties
further
extensive
application
prospects
in
biomedical
treatment
other
fields.
Whereas
numerous
been
fabricated,
set
general
principles,
that
can
rationally
guide
the
synthesis
using
different
substances
fabrication
methods
for
various
scenarios,
remain
central
demand
hydrogels.
This
paper
systematically
summarizes
processing,
performances,
applications
hydrogels,
discusses
challenges
opportunities
this
field.
In
view
shortcomings
high
conductivity,
matchable
properties,
as
well
integrated
devices
machines,
it
is
proposed
to
synergistically
design
process
with
complex
surroundings.
It
believed
will
present
fresh
perspective
research
development
expand
