ACS Applied Materials & Interfaces,
Journal Year:
2022,
Volume and Issue:
14(31), P. 35997 - 36006
Published: July 27, 2022
Stretchable
electronics
play
a
pivotal
role
in
the
age
of
information
and
intelligence.
Integrated
circuit
components
are
an
integral
part
high-performance
multifunctional
stretchable
electronic
devices.
Therefore,
it
is
ideal
design
concept
for
devices
to
not
only
ensure
reliability
connection
between
rigid
inorganic
circuits
but
also
maintain
stretchability
device.
In
this
work,
we
constructed
mechanical
gradient
strategy
fabricate
Briefly,
polyvinyl
alcohol
glue
used
fix
integrated
on
circuits,
which
fabricated
by
printing
liquid
metal
thermoplastic
polyurethane
nanofiber
membrane.
The
(rigid)-polyvinyl
(high
elastic
modulus)-thermoplastic
membrane
(low
modulus)-liquid
(liquid)
realizes
strain
during
stretching
process
device,
thus
ensuring
stability
reliability.
Moreover,
explored
mechanism
through
experiments
finite
element
analysis.
flexible
scheme
ultra-stretchable
(900%)
have
good
comfort.
As
proof,
application
sensors,
human-computer
interaction
devices,
displays
was
realized.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(52)
Published: July 7, 2023
Abstract
Liquid
metals
and
their
derivatives
provide
several
opportunities
for
fundamental
practical
exploration
worldwide.
However,
the
increasing
number
of
studies
shortage
desirable
materials
to
fulfill
different
needs
also
pose
serious
challenges.
Herein,
address
this
issue,
a
generalized
theoretical
frame
that
is
termed
as
“Liquid
Metal
Combinatorics”
(LMC)
systematically
presented,
summarizes
promising
candidate
technical
routes
toward
new
generation
material
discovery.
The
major
categories
LMC
are
defined,
eight
representative
methods
manufacturing
advanced
outlined.
It
illustrated
abundant
targeted
can
be
efficiently
designed
fabricated
via
through
deep
physical
combinations,
chemical
reactions,
or
both
among
main
bodies
liquid
metals,
surface
chemicals,
precipitated
ions,
other
materials.
This
represents
large
class
powerful,
reliable,
modular
innovating
general
achieved
combinatorial
not
only
maintained
typical
characteristics
but
displayed
distinct
tenability.
Furthermore,
fabrication
strategies,
wide
extensibility,
pivotal
applications
classified.
Finally,
by
interpreting
developmental
trends
in
area,
perspective
on
provided,
which
warrants
its
future
society.
Applied Physics Reviews,
Journal Year:
2023,
Volume and Issue:
10(2)
Published: May 16, 2023
Flexible
electronics
is
one
of
the
most
overwhelming
and
promising
technologies
available
today,
receiving
widespread
attention
from
both
academia
industry.
As
it
continues
to
evolve,
demands
on
flexible
conductive
materials
are
becoming
increasingly
prominent.
Liquid
metals
(LMs),
which
combine
compliance
fluids
with
electrical
conductivity
metals,
excellent
candidates
among
various
material
options
for
fabricating
electronics.
Following
more
than
a
decade
development,
LM
has
become
rather
research
field.
This
review
aims
provide
comprehensive
summary
interpretation
typical
progress
in
so
as
promote
further
advancement
area.
First,
modification
strategies
LMs,
such
oxidation
composite
approaches
(doped
particles
or
mixed
polymers),
systematically
digested
improve
their
performances
increase
formability
involved.
Furthermore,
we
divide
into
three
major
architectures
(LM
channels,
printed
electronics,
LM/polymer
electronics)
introduce
core
patterning
methods
each
type.
In
addition,
an
overview
representative
applications
categories
soft
sensors,
biomedicine,
energy,
electronic
fabrics,
etc.
Finally,
current
challenges
potential
directions
discussed.
Overall,
past
progress,
situation,
future
outlook
outlined
full
view
present
article
expected
inspire
tremendous
new
opportunities
fundamental
practical
explorations
coming
time.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(29)
Published: Aug. 7, 2023
Liquid
metal
(LM)
shows
the
superiority
in
smart
wearable
devices
due
to
its
biocompatibility
and
electromagnetic
interference
(EMI)
shielding.
However,
LM
based
fibers
that
can
achieve
multifunctional
integrated
applications
with
biodegradability
remain
a
daunting
challenge.
Herein,
versatile
are
fabricated
first
by
sonication
alginate
solution
obtain
micro/nano
droplets
then
wet-spinning
into
LM/alginate
composite
fibers.
By
mixing
high-concentration
(4-6
wt.%),
stability
(colloidal
for
>
30
d
chemical
45
d)
not
only
improved,
but
also
facilitate
spinning
through
bimetallic
ions
(e.g.,
Ga
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(31)
Published: Oct. 20, 2023
Abstract
This
review
summarizes
the
controllable
flow
and
manipulation
of
gallium‐based
liquid
metals
(e.g.,
eutectic
gallium
indium,
EGaIn).
There
are
generally
only
a
few
ways
to
handle
fluids,
but
offer
versatile
control
due
their
properties:
1)
excellent
fluidity,
2)
adjustable
surface
tension,
3)
electrically
chemically
oxides,
4)
metallic
electrical
thermal
conductivity,
5)
ability
alloy
with
other
magnetic
particles).
These
all‐in‐one
properties
empower
exhibit
in
confined
microchannels
(steerable
flow)
from
nozzles
(printable
flow),
make
susceptible
various
energy
fields,
including
electric,
magnetic,
electromagnetic,
wave,
light
fields.
Consequently,
enable
intriguing
morphological
changes
formation
droplets/plugs,
jets,
fibers)
motion
jumping,
bouncing,
directional
locomotion,
rotation)
new
fluidic
phenomena
practical
applications
such
as
soft
electronics
robotics.
aims
present
selective
framework
provide
an
insightful
understanding
for
controlling
shaping
metals,
thereby
stimulating
further
research
generating
increased
interest
this
topic.
Small,
Journal Year:
2023,
Volume and Issue:
20(9)
Published: Oct. 24, 2023
Abstract
Room‐temperature
gallium‐based
liquid
metals
(RT‐GaLMs)
have
garnered
significant
interest
recently
owing
to
their
extraordinary
combination
of
fluidity,
conductivity,
stretchability,
self‐healing
performance,
and
biocompatibility.
They
are
ideal
materials
for
the
manufacture
flexible
electronics.
By
changing
composition
oxidation
RT‐GaLMs,
physicochemical
characteristics
metal
can
be
adjusted,
especially
regulation
rheological,
wetting,
adhesion
properties.
This
review
highlights
advancements
in
used
Meanwhile
related
RT‐GaLMs
underlying
principles
governing
processing
applications
electronics
elucidated.
Finally,
diverse
circuits,
sensors,
energy
harvesting
devices,
epidermal
electronics,
explored.
Additionally,
challenges
hindering
progress
discussed,
while
proposing
future
research
directions
potential
this
emerging
field.
presenting
a
concise
critical
analysis,
paper
contributes
advancement
as
an
advanced
material
applicable
new
generation
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(31)
Published: March 22, 2024
Abstract
Wearable
and
self‐healing
soft
electronics
have
led
to
a
significant
emphasis
on
their
potential
in
creating
versatile,
conformable,
sustainable
electronic
modules.
Among
conductive
additives,
Liquid
metals
(LMs),
combining
both
solid
liquid
characteristics,
gained
widespread
attention
due
versatile
physical,
chemical,
electrical
properties
as
well
capability,
biocompatibility,
recyclability.
The
fluidity
of
LMs
facilitates
adaptability
various
experimental
conditions
components
for
specific
applications.
Moreover,
the
oxide
shell
exhibits
strong
compatibility
with
surface
functionalization
polymerization
processes,
enhancing
development
reliable
composite
materials.
Herein,
an
in‐depth
analysis
fundamental
characteristics
while
addressing
current
drawbacks,
such
unpredictable
reactivity
poor
stability,
is
presented.
To
harness
advantages
LMs,
integration
extensively
discussed
polymeric
materials
through
grafting
strategies,
leading
macromolecular
composites
exceptional
softness,
solubility,
functionalization,
versatility.
Furthermore,
applications
within
LM‐elastomer
composites,
particularly
focusing
relevance
fields
flexible
electronics,
are
investigated.
Finally,
LMs'
future
prospects
emphasized
by
highlighting
polymers,
thereby
providing
pathways
major
breakthroughs
based
devices.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: July 17, 2024
The
demand
of
high-performance
thin-film-shaped
deformable
electromagnetic
interference
(EMI)
shielding
devices
is
increasing
for
the
next
generation
wearable
and
miniaturized
soft
electronics.
Although
highly
reflective
conductive
materials
can
effectively
shield
EMI,
they
prevent
deformation
owing
to
rigidity
generate
secondary
pollution
simultaneously.
Herein,
stretchable
EMI
thin
film
with
absorption-dominant
behavior
presented.
consist
liquid
metal
(LM)
layer
LM
grid-patterned
separated
by
a
elastomeric
film,
fabricated
leveraging
superior
adhesion
aerosol-deposited
on
elastomer.
demonstrate
high
effectiveness
(SE)
(SE
SmartMat,
Journal Year:
2023,
Volume and Issue:
4(6)
Published: Jan. 27, 2023
Abstract
Recently
the
ever‐increasing
demand
for
wearable
electronics
has
greatly
triggered
development
of
flexible
strain
sensors.
However,
it
is
still
challenging
to
simultaneously
achieve
high
sensitivity,
wide
working
range,
and
good
wearability.
Herein,
we
developed
a
highly
stretchable
fiber
sensor
based
on
wet‐spun
porous
polyurethane
(PU)
fiber,
especially
unique
conductive
network
dual
silver
(Ag)/carbon
black
(CB)
layers
constructed.
Under
strain,
rapid
crack
propagation
brittle
Ag
layer
brings
large
resistance
change
thus
while
tunneling‐effect
dominated
CB
bridges
separated
islands
maintain
integrity
pathways
under
strain.
By
means
synergistic
effect
Ag/CB
layers,
this
composite
Ag/CB@PU
presents
not
only
conductivity
5139.9
S/m,
but
also
ultrahigh
sensitivity
with
gauge
factor
2.52
×
10
6
range
up
200%.
Besides
that,
capable
detecting
very
tiny
0.1%
stably
over
8000
cycles.
Using
mature
weaving
technology,
can
be
seamlessly
integrated
into
textile
conformally
track
different
movements
human
body.
Together
facile
all‐solution‐based
fabrication
protocol,
work
proposed
new
strategy
prepare
high‐performance
sensor,
promising
textile‐based
applications.