Advanced Functional Materials,
Journal Year:
2020,
Volume and Issue:
30(30)
Published: May 28, 2020
Abstract
The
adoption
of
epidermal
electronics
into
everyday
life
requires
new
design
and
fabrication
paradigms,
transitioning
away
from
traditional
rigid,
bulky
towards
soft
devices
that
adapt
with
high
intimacy
to
the
human
body.
Here,
a
strategy
is
reported
for
fabricating
achieving
highly
stretchable
“island‐bridge”
(IB)
electrochemical
based
on
thick‐film
printing
process
involving
merging
deterministic
IB
architecture
stress‐enduring
composite
silver
(Ag)
inks
eutectic
gallium‐indium
particles
(EGaInPs)
as
dynamic
electrical
anchors
within
inside
percolated
network.
free‐standing
Ag‐EGaInPs‐based
serpentine
“bridges”
enables
printed
microstructures
maintain
mechanical
properties
under
an
extreme
(≈800%)
strain.
Coupling
these
rigid
multifunctional
“island”
electrodes
allows
realization
can
sustain
deformation
while
displaying
extremely
attractive
stable
performance.
advantages
practical
utility
Ag‐liquid
metal‐based
island‐bridge
designs
are
discussed
illustrated
using
wearable
biofuel
cell.
Such
scalable
tunable
will
allow
incorporate
wide
range
materials
single
device
applications
in
electronics.
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(6), P. 5211 - 5295
Published: March 9, 2023
Humans
rely
increasingly
on
sensors
to
address
grand
challenges
and
improve
quality
of
life
in
the
era
digitalization
big
data.
For
ubiquitous
sensing,
flexible
are
developed
overcome
limitations
conventional
rigid
counterparts.
Despite
rapid
advancement
bench-side
research
over
last
decade,
market
adoption
remains
limited.
To
ease
expedite
their
deployment,
here,
we
identify
bottlenecks
hindering
maturation
propose
promising
solutions.
We
first
analyze
achieving
satisfactory
sensing
performance
for
real-world
applications
then
summarize
issues
compatible
sensor-biology
interfaces,
followed
by
brief
discussions
powering
connecting
sensor
networks.
Issues
en
route
commercialization
sustainable
growth
sector
also
analyzed,
highlighting
environmental
concerns
emphasizing
nontechnical
such
as
business,
regulatory,
ethical
considerations.
Additionally,
look
at
future
intelligent
sensors.
In
proposing
a
comprehensive
roadmap,
hope
steer
efforts
towards
common
goals
guide
coordinated
development
strategies
from
disparate
communities.
Through
collaborative
efforts,
scientific
breakthroughs
can
be
made
sooner
capitalized
betterment
humanity.
Advanced Science,
Journal Year:
2020,
Volume and Issue:
7(12)
Published: April 22, 2020
This
work
discusses
the
attributes,
fabrication
methods,
and
applications
of
gallium-based
liquid
metal
particles.
Gallium-based
metals
combine
metallic
fluidic
properties
at
room
temperature.
Unlike
mercury,
which
is
toxic
has
a
finite
vapor
pressure,
gallium
possesses
low
toxicity
effectively
zero
pressure
temperature,
makes
it
amenable
to
many
applications.
A
variety
methods
produce
particles
with
variable
sizes,
ranging
from
nm
mm
(which
upper
limit
set
by
capillary
length).
The
nature
enables
methods-such
as
microfluidics
sonication-that
are
not
possible
solid
materials.
possess
several
notable
including
metal-metal
oxide
(liquid-solid)
core-shell
structure
well
ability
self-heal,
merge,
change
shape.
They
also
have
unusual
phase
behavior
that
depends
on
size
no
known
commercial
applications,
but
they
show
promise
for
drug
delivery,
soft
electronics,
microfluidics,
catalysis,
batteries,
energy
harvesting,
composites.
Existing
challenges
future
opportunities
discussed
herein.
Nano-Micro Letters,
Journal Year:
2020,
Volume and Issue:
12(1)
Published: Feb. 28, 2020
Abstract
Large-area
and
high-quality
two-dimensional
crystals
are
the
basis
for
development
of
next-generation
electronic
optical
devices.
The
synthesis
materials
in
wafer
scales
is
first
critical
step
future
technology
uptake
by
industries;
however,
currently
presented
as
a
significant
challenge.
Substantial
efforts
have
been
devoted
to
producing
atomically
thin
with
large
lateral
dimensions,
controllable
uniform
thicknesses,
crystal
domains
minimum
defects.
In
this
review,
recent
advances
synthetic
routes
obtain
sizes
exceeding
hundred
micrometres
outlined.
Applications
achieved
large-area
electronics
optoelectronics
summarised,
advantages
disadvantages
each
approach
considering
ease
synthesis,
defects,
grain
uniformity
discussed.
Annual Review of Materials Research,
Journal Year:
2021,
Volume and Issue:
51(1), P. 381 - 408
Published: May 12, 2021
Gallium
is
a
metal
that
literally
melts
in
your
hand.
It
has
low
toxicity,
near-zero
vapor
pressure,
and
viscosity
similar
to
water.
Despite
possessing
surface
tension
larger
than
any
other
liquid
(near
room
temperature),
gallium
can
form
nonspherical
shapes
due
the
thin,
solid
native
oxide
skin
forms
rapidly
oxygen.
These
properties
enable
new
ways
pattern
metals
(e.g.,
injection
printing)
create
stretchable
soft
devices
with
an
unmatched
combination
of
mechanical
electrical
properties.
The
be
transferred
substrates
manipulated
electrochemically
lower
interfacial
near
zero.
reactivity
drive
wide
range
reactions.
state
makes
it
easy
break
into
particles
for
making
colloids
composites
have
unusual
deformable
nature
filler.
This
review
summarizes
truly
unique
exciting
metals.
Advanced Functional Materials,
Journal Year:
2020,
Volume and Issue:
31(10)
Published: Dec. 11, 2020
Abstract
Surface
patterning
of
liquid
metals
(LMs)
is
a
key
processing
step
for
LM‐based
functional
systems.
Current
methods
are
substrate
specific
and
largely
suffer
from
undesired
imperfections—restricting
their
widespread
applications.
Inspired
by
the
universal
catechol
adhesion
chemistry
observed
in
nature,
LM
inks
stabilized
assembly
naturally
abundant
polyphenol,
tannic
acid,
has
been
developed.
The
intrinsic
adhesive
properties
acid
containing
multiple
catechol/gallol
groups,
allow
to
be
applied
variety
substrates
ranging
flexible
rigid,
metallic
plastics
flat
curved,
even
using
ballpoint
pen.
This
method
can
further
extended
hand‐written
texts
complex
conductive
patterns
an
automated
setup.
In
addition,
capacitive
touch
hazardous
heavy
metal
ion
sensors
have
patterned,
leveraging
synergistic
combination
polyphenols
LMs.
Overall,
this
strategy
provides
unique
platform
manipulate
LMs
pattern
designs
onto
choice,
that
remained
challenging
achieve
otherwise.
Small,
Journal Year:
2019,
Volume and Issue:
16(12)
Published: Oct. 3, 2019
Abstract
Liquid
metals
are
emerging
as
fluidic
inorganic
materials
in
various
research
fields.
Micro‐
and
nanoparticles
of
Ga
its
alloys
have
received
particular
attention
the
last
decade
due
to
their
non
toxicity
accessibility
ambient
conditions
well
interesting
chemical,
physical,
mechanical,
electrical
properties.
Unique
features
such
a
nature
self‐passivating
oxide
skin
make
Ga‐based
liquid
metal
particles
(LMPs)
distinguishable
from
conventional
context
synthesis
applications.
Here,
recent
advances
bottom‐up
top‐down
synthetic
methods
LMPs,
physicochemical
properties,
applications
summarized.
Finally,
current
status
LMPs
is
highlighted
perspectives
on
future
directions
also
provided.
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
33(18)
Published: March 26, 2021
Abstract
Emerging
feedback
systems
based
on
tracking
body
conditions
can
save
human
lives.
In
particular,
vulnerable
populations
such
as
disabled
people,
elderly,
and
infants
often
require
special
care.
For
example,
the
high
global
mortality
of
primarily
owing
to
sudden
infant
death
syndrome
while
sleeping
makes
request
for
extraordinary
attentions
in
neonatal
intensive
care
units
or
daily
Here,
a
versatile
laser‐induced
graphene
(LIG)‐based
integrated
flexible
sensor
system,
which
wirelessly
monitor
postures,
respiration
rate,
diaper
moisture
with
alarm
notifications,
is
reported.
A
tilt
confining
liquid
metal
droplet
inside
cavity
track
at
least
18
slanting
orientations.
rapid
scalable
laser
direct
writing
method
realizes
LIG
patterning
both
in‐plane
out‐of‐plane
configurations
well
formation
nonstick
conductive
structures
metal.
By
rationally
merging
LIG‐based
tilt,
strain,
humidity
sensors
thin
film,
multimodal
device
applied
real‐time
system
posture,
respiration,
wetness
toward
secure
comfortable
User‐friendly
interfaces,
incorporate
alarming
functions,
provide
timely
caregivers
tending
limited
self‐care
capabilities.
Advanced Science,
Journal Year:
2020,
Volume and Issue:
7(12)
Published: April 30, 2020
It
is
remarkably
desirable
and
challenging
to
design
a
stretchable
conductive
material
with
tunable
electromagnetic-interference
(EMI)
shielding
heat
transfer
for
applications
in
flexible
electronics.
However,
the
existing
materials
sustained
severe
attenuation
of
performances
when
largely
stretched.
Here,
super-stretchable
(800%
strain)
liquid
metal
foamed
elastomer
composite
(LMF-EC)
reported,
achieving
super-high
electrical
(≈104
S
cm-1)
thermal
(17.6
W
mK-1)
conductivities
under
large
strain
400%,
which
also
exhibits
unexpected
stretching-enhanced
EMI
effectiveness
85
dB
due
network
elongation
reorientation.
By
varying
solid
states
LMF,
stretching
can
enable
multifunctional
reversible
switch
that
simultaneously
regulates
thermal,
electrical,
electromagnetic
wave
transport.
Novel
temperature
control
thermoelectric
system
based
on
LMF-EC
furthermore
developed.
This
work
significant
step
toward
development
smart
regulator
