Micromachines,
Journal Year:
2022,
Volume and Issue:
13(7), P. 1123 - 1123
Published: July 16, 2022
Graphene-based
nanomaterials
have
gained
a
lot
of
interest
over
the
last
years
in
flexible
electronics
due
to
their
exceptional
electrical,
mechanical,
and
optoelectronic
properties,
as
well
potential
surface
modification.
Their
flexibility
processability
make
them
suitable
for
electronic
devices
that
require
bending,
folding,
stretching,
which
cannot
be
fulfilled
by
conventional
electronics.
These
can
assembled
with
various
types
organic
materials,
including
polymers,
biomolecules,
generate
variety
nanocomposites
greater
stretchability
healability,
higher
stiffness,
electrical
conductivity,
thermal
stability
lighting
display
technologies.
This
article
summarizes
main
characteristics
synthesis
methods
graphene,
its
oxidized
form
graphene
oxide
(GO),
reduced
GO
derivative,
corresponding
polymeric
composites,
provides
brief
overview
about
some
recent
examples
these
applications,
electrodes
solar
cells
supercapacitors,
textiles,
transistors.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(4), P. 1535 - 1648
Published: Feb. 19, 2024
Over
the
years,
researchers
have
made
significant
strides
in
development
of
novel
flexible/stretchable
and
conductive
materials,
enabling
creation
cutting-edge
electronic
devices
for
wearable
applications.
Among
these,
porous
textiles
(PCTs)
emerged
as
an
ideal
material
platform
electronics,
owing
to
their
light
weight,
flexibility,
permeability,
wearing
comfort.
This
Review
aims
present
a
comprehensive
overview
progress
state
art
utilizing
PCTs
design
fabrication
wide
variety
integrated
systems.
To
begin
with,
we
elucidate
how
revolutionize
form
factors
electronics.
We
then
discuss
preparation
strategies
PCTs,
terms
raw
processes,
key
properties.
Afterward,
provide
detailed
illustrations
are
used
basic
building
blocks
fabricate
intrinsically
flexible
or
stretchable
devices,
including
sensors,
actuators,
therapeutic
energy-harvesting
storage
displays.
further
describe
techniques
systems
either
by
hybridizing
conventional
off-the-shelf
rigid
components
with
integrating
multiple
fibrous
PCTs.
Subsequently,
highlight
some
important
application
scenarios
healthcare,
sports
training,
converging
technologies,
professional
specialists.
At
end
Review,
challenges
perspectives
on
future
research
directions
give
overall
conclusions.
As
demand
more
personalized
interconnected
continues
grow,
PCT-based
wearables
hold
immense
potential
redefine
landscape
technology
reshape
way
live,
work,
play.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(6)
Published: Jan. 15, 2023
Room-temperature
liquid
metal
(LM)-based
electronics
is
expected
to
bring
advancements
in
future
soft
owing
its
conductivity,
conformability,
stretchability,
and
biocompatibility.
However,
various
difficulties
arise
when
patterning
LM
because
of
rheological
features
such
as
fluidity
surface
tension.
Numerous
attempts
are
made
overcome
these
difficulties,
resulting
LM-patterning
methods.
An
appropriate
choice
method
based
on
comprehensive
understanding
necessary
fully
utilize
the
unique
properties.
Therefore,
authors
aim
provide
thorough
knowledge
about
methods
properties
for
LM-based
electronics.
First,
essential
considerations
investigated.
Then,
methods-serial-patterning,
parallel-patterning,
intermetallic
bond-assisted
patterning,
molding/microfluidic
injection-are
categorized
Finally,
perspectives
with
provided.
They
include
outstanding
biocompatibility,
permeability,
restorability,
recyclability.
Also,
they
areas
radio
frequency
electronics,
robots,
heterogeneous
catalyst.
devices
permeate
daily
lives
if
aforementioned
analyzed
utilized.
Analytical Chemistry,
Journal Year:
2023,
Volume and Issue:
95(7), P. 3811 - 3820
Published: Feb. 7, 2023
Interest
in
wearable
and
stretchable
multifunctional
sensors
has
grown
rapidly
recent
years.
The
sensing
elements
must
accurately
detect
external
stimuli
to
expand
their
applicability
as
sensors.
However,
the
sensor's
self-healing
adhesion
a
target
object
have
been
major
challenges
developing
such
practical
versatile
devices.
In
this
study,
we
prepared
hydrogel
(LM-SA-PAA)
composed
of
liquid
metal
(LM),
sodium
alginate
(SA),
poly(acrylic
acid)
(PAA)
with
ultrastretchable,
excellent
self-healing,
self-adhesive,
high-sensitivity
capabilities
that
enable
conformal
contact
between
sensor
skin
even
during
dynamic
movements.
performance
stems
from
its
double
cross-linked
networks,
including
physical
chemical
networks.
cross-link
formed
by
ionic
interaction
carboxyl
groups
PAA
gallium
ions
provide
reversible
autonomous
repair
properties,
whereas
covalent
bond
provides
stable
strong
network.
Alginate
forms
microgel
shell
around
LM
nanoparticles
via
coordination
Ga
ions.
addition
offering
exceptional
colloidal
stability,
sufficient
polar
groups,
ensuring
adheres
diverse
substrates.
Based
on
efficient
electrical
pathway
provided
LM,
exhibited
strain
sensitivity
enabled
detection
various
human
motions
electrocardiographic
monitoring.
preparation
method
is
simple
can
be
used
for
low-cost
fabrication
sensors,
which
broad
application
prospects
human-machine
interface
compatibility
medical
Small Methods,
Journal Year:
2023,
Volume and Issue:
7(4)
Published: Feb. 22, 2023
The
past
several
years
have
witnessed
a
rapid
development
of
intelligent
wearable
devices.
However,
despite
the
splendid
advances,
creation
flexible
human-machine
interfaces
that
synchronously
possess
multiple
sensing
capabilities,
wearability,
accurate
responsivity,
sensitive
detectivity,
and
fast
recyclability
remains
substantial
challenge.
Herein,
convenient
yet
robust
strategy
is
reported
to
craft
transient
circuits
via
stencil
printing
liquid
metal
conductor
on
water-soluble
electrospun
film
for
interaction.
Due
inherent
within
porous
substrate,
feature
high-resolution,
customized
patterning
viability,
attractive
permeability,
excellent
electroconductivity,
superior
mechanical
stability.
More
importantly,
such
display
appealing
noncontact
proximity
capabilities
while
maintaining
compelling
tactile
performance,
which
unattainable
by
traditional
systems
with
compromised
contact
sensing.
As
such,
circuit
utilized
as
sensors
practical
multifunctionality,
including
information
transfer,
smart
identification,
trajectory
monitoring.
Furthermore,
an
interface
composed
fabricated
realize
specific
goals
wireless
object
control
overload
alarm.
are
quickly
efficiently
recycled
toward
high
economic
environmental
values.
This
work
opens
vast
possibilities
generating
high-quality
electronics
advanced
applications
in
soft
systems.
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(15), P. 19435 - 19446
Published: April 10, 2023
Conductive
hydrogels
as
promising
candidates
of
wearable
electronics
have
attracted
considerable
interest
in
health
monitoring,
multifunctional
electronic
skins,
and
human-machine
interfaces.
However,
to
simultaneously
achieve
excellent
electrical
properties,
superior
stretchability,
a
low
detection
threshold
conductive
remains
an
extreme
challenge.
Herein,
ultrastretchable
high-conductivity
MXene-based
organohydrogel
(M-OH)
is
developed
for
human
monitoring
machine-learning-assisted
object
recognition,
which
fabricated
based
on
Ti3C2Tx
MXene/lithium
salt
(LS)/poly(acrylamide)
(PAM)/poly(vinyl
alcohol)
(PVA)
hydrogel
through
facile
immersion
strategy
glycerol/water
binary
solvent.
The
M-OH
demonstrates
remarkable
stretchability
(2000%)
high
conductivity
(4.5
S/m)
due
the
strong
interaction
between
MXene
dual-network
PVA/PAM
matrix
incorporation
LS,
respectively.
Meanwhile,
sensor
enables
with
sensitivity
limit
(12
Pa).
Furthermore,
pressure
mapping
image
recognition
technology,
8
×
pixelated
M-OH-based
sensing
array
can
accurately
identify
different
objects
accuracy
97.54%
under
assistance
deep
learning
neural
network
(DNN).
This
work
comprehensive
performances
high-conductive
would
further
explore
extensive
potential
application
prospects
personal
healthcare,
interfaces,
artificial
intelligence.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: July 20, 2024
Integration
of
functional
fillers
into
liquid
metals
(LM)
induces
rheology
modification,
enabling
the
free-form
shaping
LM
at
micrometer
scale.
However,
integrating
non-chemically
modified
low-dimensional
materials
with
to
form
stable
and
uniform
dispersions
remain
a
great
challenge.
Herein,
we
propose
solvent-assisted
dispersion
(SAD)
method
that
utilizes
fragmentation
reintegration
in
volatile
solvents
engulf
disperse
fillers.
This
successfully
integrates
MXene
uniformly
LM,
achieving
better
internal
connectivity
than
conventional
dry
powder
mixing
(DPM)
method.
Consequently,
MXene/LM
(MLM)
coating
exhibits
high
electromagnetic
interference
(EMI)
shielding
performance
(105
dB
20
μm,
which
is
1.6
times
coatings
prepared
by
DPM).
Moreover,
rheological
characteristic
MLM
render
it
malleable
facilitates
direct
printing
adaptation
diverse
structures.
study
offers
convenient
for
assembling
materials,
paving
way
development
multifunctional
soft
devices.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(5), P. 2081 - 2137
Published: Feb. 23, 2024
Gallium-based
liquid
metal
(LM)
exhibits
exceptional
properties
such
as
high
conductivity
and
biocompatibility,
rendering
it
highly
valuable
for
the
development
of
conformal
bioelectronics.
When
combined
with
polymers,
metal–polymer
conductors
(MPC)
offer
a
versatile
platform
fabricating
cyborg
devices,
enabling
functions
sensing,
restoration,
augmentation
within
human
body.
This
review
focuses
on
synthesis,
fabrication,
application
MPC-based
devices.
The
synthesis
functional
materials
based
LM
fabrication
techniques
devices
are
elucidated.
provides
comprehensive
overview
encompassing
their
applications
in
sensing
diverse
signals,
therapeutic
interventions,
augmentation.
objective
this
is
to
serve
resource
that
bridges
gap
between
potential
biomedical
applications.