Advanced Materials Technologies,
Journal Year:
2021,
Volume and Issue:
6(7)
Published: April 23, 2021
Abstract
The
first
isolation
of
graphene
opens
the
avenue
for
new
platforms
physics,
electronic
engineering,
and
materials
sciences.
Among
several
kinds
synthesis
approaches,
chemical
vapor
deposition
is
most
promising
growth
at
wafer‐scale,
which
compatible
with
Si‐based
device
integration
protocols.
In
this
review,
types,
properties,
methods
are
introduced.
Many
details
wafer‐scale
by
strategies
given,
including
single
crystal
metal
alloy
preparation,
roll
to
over
Cu,
electrochemical
transfer
technique.
Besides,
batch‐to‐batch
highlighted
direct
dielectric
substrates
such
as
sapphire
Si/SiO
2
.
transport
transparent
conductance
compared
high‐quality
crystal.
progress
proof‐of‐the‐concept
briefly
recalled
in
graphene‐based
electronics
transistors,
sensors,
integrated
circuits,
spin
valves.
Eventually,
readers
provoked
current
challenges
well
future
opportunities.
ACS Nano,
Journal Year:
2021,
Volume and Issue:
15(12), P. 18708 - 18741
Published: Dec. 9, 2021
Laser-induced
graphene
(LIG)
is
produced
rapidly
by
directly
irradiating
carbonaceous
precursors,
and
it
naturally
exhibits
as
a
three-dimensional
porous
structure.
Due
to
advantages
such
simple
preparation,
time-saving,
environmental
friendliness,
low
cost,
expanding
categories
of
raw
materials,
LIG
its
derivatives
have
achieved
broad
applications
in
sensors.
This
has
been
witnessed
various
fields
wearable
devices,
disease
diagnosis,
intelligent
robots,
pollution
detection.
However,
despite
sensors
having
demonstrated
an
excellent
capability
monitor
physical
chemical
parameters,
the
systematic
review
synthesis,
sensing
mechanisms,
them
combined
with
comparison
against
other
preparation
approaches
still
lacking.
Here,
graphene-based
for
physical,
biological,
detection
are
reviewed
first,
followed
introduction
general
methods
laser-induced
method
yield
graphene.
The
LIG,
properties
different
types
emerging
LIG-based
comprehensively
reviewed.
Finally,
possible
solutions
problems
challenges
preparing
proposed.
may
serve
detailed
reference
guide
development
that
possess
future
smart
health
care,
protection,
industrial
production.
ACS Applied Nano Materials,
Journal Year:
2020,
Volume and Issue:
3(3), P. 2257 - 2265
Published: Jan. 30, 2020
Graphene
as
an
atom-thick
carbon
material
is
promising
for
the
detection
of
gaseous
molecules
owing
to
extremely
high
surface-to-volume
ratio.
However,
majority
graphene-based
gas
sensors,
prepared
by
chemical
vapor
deposition
(CVD),
have
suffered
from
non-uniformity
in
their
responses.
Such
a
sensor-to-sensor
variation
responses
has
not
been
systematically
studied,
limiting
application
graphene
sensors.
Here
we
report
processes
that
lead
highly
sensitive
and
uniform
sensor.
We
examined
four
types
sensors
varying
two
conditions:
(1)
whether
or
there
precursor
while
cooling
down
reactor
after
synthesis
(2)
poly(methyl
methacrylate)
(PMMA),
polymer
transferring
onto
another
substrate,
removed
annealing
at
temperature
rinsing
with
acetone.
Using
5
ppm
dimethyl
methylphosphonate
(DMMP),
nerve
agent
simulant,
model
analyte,
found
are
obtained
without
removing
PMMA
annealing.
Additional
heat
treatment
air
greatly
enhances
sensitivity,
regardless
conditions,
residual
impurities
surface.
The
enabled
us
find
edge-to-surface
ratio
does
affect
whereas
noise
increases
higher
Our
study
presents
design
rule
fabricating
which
may
facilitate
applications
detecting
broad
range
analytes.
Nano-Micro Letters,
Journal Year:
2021,
Volume and Issue:
13(1)
Published: May 4, 2021
Flexible
multidirectional
strain
sensors
are
crucial
to
accurately
determining
the
complex
states
involved
in
emerging
sensing
applications.
Although
considerable
efforts
have
been
made
construct
anisotropic
structures
for
improved
selective
capabilities,
existing
suffer
from
a
trade-off
between
high
sensitivity
and
stretchability
with
acceptable
linearity.
Here,
an
ultrasensitive,
highly
sensor
is
developed
by
rational
design
of
functionally
different
layers.
The
bilayer
consists
aligned
carbon
nanotube
(CNT)
array
assembled
on
top
periodically
wrinkled
cracked
CNT-graphene
oxide
film.
transversely
CNT
layer
bridge
underlying
longitudinal
microcracks
effectively
discourage
their
propagation
even
when
stretched,
leading
superior
gauge
factor
287.6
across
broad
linear
working
range
up
100%
strain.
wrinkles
generated
through
pre-straining/releasing
routine
direction
transverse
alignment
responsible
exceptional
selectivity
6.3,
benefit
accurate
detection
loading
directions
sensor.
This
work
proposes
unique
approach
leveraging
inherent
merits
two
cross-influential
resolve
among
sensitivity,
selectivity,
stretchability,
demonstrating
promising
applications
full-range,
multi-axis
human
motion
wearable
electronics
smart
robotics.
Advanced Materials Technologies,
Journal Year:
2023,
Volume and Issue:
8(16)
Published: April 10, 2023
Abstract
Laser‐induced
graphene
(LIG)
has
attracted
extensive
attention
owing
to
its
facile
preparation
of
and
direct
engraving
patterns
for
devices.
Various
applications
are
demonstrated
such
as
sensors,
supercapacitors,
electrocatalysis,
batteries,
antimicrobial,
oil
water
separation,
solar
cells,
heaters.
In
recent
years,
doping
been
employed
a
significant
strategy
modulate
the
properties
LIG
thereby
improve
performance
Due
patternable
manufacture,
controllable
morphologies,
synergistic
effect
doped
atoms
graphene,
devices
exhibit
high
sensitivity
sensing,
pseudocapacitance
performance,
biological
antibacterial.
This
paper
reviews
latest
novel
research
progress
heteroatom
nanoparticles
in
synthesis,
properties,
applications.
The
fabrications
typical
approaches
presented.
Special
is
paid
two
processes
LIG:
one‐step
laser
irradiation
method
two‐step
modification
consisting
deposition,
drop‐casting,
duplicated
pyrolysis.
Doped
with
improved
mainly
highlighted.
Taking
advantage
LIG's
device
performances
will
provide
excellent
opportunities
developing
artificial
intelligence,
data
storage,
energy,
health,
environmental
SmartMat,
Journal Year:
2024,
Volume and Issue:
5(2)
Published: Jan. 2, 2024
Abstract
Polymer
ionogel
(PIG)
is
a
new
type
of
flexible,
stretchable,
and
ion‐conductive
material,
which
generally
consists
two
components
(polymer
matrix
materials
ionic
liquids/deep
eutectic
solvents).
More
more
attention
has
been
received
owing
to
its
excellent
properties,
such
as
nonvolatility,
good
conductivity,
thermal
stability,
high
electrochemical
transparency.
In
this
review,
the
latest
research
developments
PIGs
are
comprehensively
reviewed
according
different
polymer
matrices.
Particularly,
development
novel
structural
designs,
preparation
methods,
basic
their
advantages
respectively
summarized.
Furthermore,
typical
applications
in
flexible
skin,
electrochromic
devices,
actuators,
power
supplies
reviewed.
The
working
mechanism,
device
structure
design
strategies,
unique
functions
PIG‐based
devices
briefly
introduced.
Finally,
perspectives
on
current
challenges
future
directions
application
discussed.
Communications Materials,
Journal Year:
2024,
Volume and Issue:
5(1)
Published: April 11, 2024
Abstract
Wearable
skin-contacting
devices
are
extensively
studied
for
their
ability
to
provide
convenient
and
safe
health
monitoring.
A
key
aspect
that
controls
performance
the
properties
of
device
electrodes.
Optimizing
electrode
structure,
materials
they
made
from,
can
improve
functionality.
Here,
we
discuss
various
required
optimal
performance,
including
mechanical,
electrical,
biocompatible
factors.
To
address
these
challenges,
consider
alteration
development
flexible
or
soft
conductive
materials,
creation
hybrid
structures.
Additionally,
integration
artificial
intelligence
is
proposed
as
a
promising
direction
achieve
smart
devices.
As
well
outlining
essential
characteristics
high-performance
wearable
skin
also
offer
insight
into
possible
future
applications.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 29, 2024
Flexible
electronics
is
an
emerging
and
cutting-edge
technology
which
considered
as
the
building
blocks
of
next
generation
micro-nano
electronics.
integrate
both
active
passive
functions
in
devices,
driving
rapid
developments
healthcare,
Internet
Things
(IoT),
industrial
fields.
Among
them,
flexible
temperature
sensors,
can
be
directly
attached
to
human
skin
or
curved
surfaces
objects
for
continuous
stable
measurement,
have
attracted
much
attention
applications
disease
prediction,
health
monitoring,
robotic
signal
sensing,
surface
measurement.
Preparing
sensors
with
high
sensitivity,
fast
response,
wide
measurement
interval,
flexibility,
stretchability,
low
cost,
reliability,
stability
has
become
a
research
target.
This
article
reviewed
latest
development
mainly
discusses
sensitive
materials,
working
mechanism,
preparation
process,
sensors.
Finally,
conclusions
based
on
developments,
challenges
prospects
this
field
are
presented.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
Abstract
Flexible
sensors
are
increasingly
recognized
for
their
transformative
potential
in
wearable
electronic
devices,
medical
monitoring,
and
human‐computer
interaction.
Despite
the
advancements,
developing
a
flexible
sensor
array
with
simple
structure
large
area
preparation
effective
signal
sensing
monitoring
capabilities
remains
challenging.
In
this
study,
hierarchical
rGO‐based
triboelectric
(HG‐FTS)
is
scalably
prepared
by
blade‐coating
approach,
which
nitrogen‐doped
reduced
graphene
oxide
(rGO)
sheet
hierarchically
deposited
polydimethylsiloxane
(PDMS)
layer.
The
performed
single
electrode
mode
not
only
demonstrates
exceptional
reliability
consistency
but
also
achieves
maximum
voltage
of
≈129
V
power
density
≈0.5
W
m
−2
.
These
characteristics
enable
real‐time
human
physiological
signals
joint
motion
high
fidelity.
Furthermore,
an
intelligent
interactive
control
system
developed
using
HG‐FTS,
featuring
digital
touch
screen
rectangular
pattern.
build
can
be
successfully
used
pressure
sensing,
object
shape
recognition,
trajectory
tracking.
This
work
provides
viable
solution
to
high‐performance
manufacturing
application
HG‐FTS
interaction,
sensing.
