Small,
Journal Year:
2023,
Volume and Issue:
20(3)
Published: Sept. 12, 2023
Abstract
As
a
steady
stream
of
electronic
devices
being
discarded,
vast
amount
substrate
waste
petroleum‐based
nondegradable
polymers
is
generated,
raising
endless
concerns
about
resource
depletion
and
environmental
pollution.
With
coupled
reagent
(CR)‐grafted
artificial
marble
(AMW@CR)
as
functional
fillers,
polylactic
acid
(PLA)‐based
highly
stretchable
biodegradable
green
composite
(AMW@CR‐SBGC)
prepared,
with
elongation
at
break
up
to
more
than
250%.
The
degradation
mechanism
AMW@CR‐SBGC
deeply
revealed.
AMW@CR
not
only
contributed
the
photodegradation
but
also
significantly
promoted
water
AMW@CR‐SBGC.
More
importantly,
showed
great
potential
sustainable
substrates
AMW@CR‐SBGC‐based
skin
can
simulate
perception
human
strain
signals.
outstanding
programmable
degradability,
recyclability,
reusability
enabled
its
application
in
transient
electronics.
first
demonstration
substrates,
killed
three
birds
one
stone
terms
resourcing,
e‐waste
reduction,
saving
nonrenewable
petroleum
resources,
opening
new
opportunities
for
electronics
applications
areas
such
health
monitoring,
intelligence,
security.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 26, 2024
Abstract
The
flexible
pressure
sensors
with
a
broad
range
and
unsaturated
sensitivity
are
highly
desired
in
practical
applications.
However,
by
piezoresistive
effect
always
limited
the
compressibility
of
sensing
layers,
resulting
theoretically
decreasing
less
than
100%.
Here,
unique
strategy
is
proposed
that
utilizes
strain
effect,
simultaneously
achieving
trade‐off
between
wider
detection
sensitivity.
Ascribed
to
layers
induced
interlaced
microdomes,
possess
an
increased
(5.22–70
MPa
−1
)
over
ultrawide
(45
Pa–4.1
MPa),
high‐pressure
resolution
(5
Pa),
fast
response/recovery
time
(30/45
ms),
robust
response
under
loading
3.5
for
more
5000
cycles.
These
superior
performances
allow
sensor
monitor
large
pressure.
array
can
assist
doctors
restoring
neutral
mechanical
axis,
tracking
knee
flexion
angles,
extracting
gait
features.
Moreover,
be
integrated
into
joint
motion
surveillance
system
map
balance
medial–lateral
contact
forces
on
metal
compartments
real
time,
demonstrating
potential
further
development
precise
medical
human–machine
interfaces
during
total
replacement
surgery.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(32)
Published: April 2, 2024
Abstract
The
wide
range
of
pressure
detection
and
the
exceptional
linearity
are
essential
performance
parameters
for
flexible
sensors,
enabling
them
to
adapt
diverse
scenarios
acquire
information
accurately.
However,
currently
available
“ultra‐wide
range”
piezoresistive
sensors
lack
an
optimal
solution
that
effectively
balances
sensing
properties,
device
thickness,
process
cost.
This
study
proposes
a
distinctive
approach
by
introducing
Janus
conductive
structure
assembled
with
dual
resistive
sensitive
layers.
design
allows
pressure‐induced
staged
transformation
current
transport
path,
mitigating
variations
saturation
in
sensor
resistance
over
range.
resulting
demonstrates
unprecedented
0–3800
kPa,
showcasing
remarkable
sensitivity
4.11
kPa
−1
outstanding
99.9%
within
0–1000
kPa.
Additionally,
boasts
thickness
only
≈200
µm,
made
possible
through
utilization
cellulose
nanofibers
material
matrix.
These
achievements
stand
at
forefront
when
compared
existing
reports.
research
explores
potential
applications
these
extended
arrays
domains
human
health
motion
monitoring.
It
investigates
their
utility
gait
analysis
assisted
posture
correction,
as
well
assessment
rehabilitation
instability.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(36), P. 24705 - 24740
Published: Aug. 26, 2024
The
gradual
rise
of
personal
healthcare
awareness
is
accelerating
the
deployment
wearable
sensors,
whose
ability
acquiring
physiological
vital
signs
depends
on
sensing
materials.
MXenes
have
distinct
chemical
and
physical
superiorities
over
other
2D
nanomaterials
for
sensors.
This
review
presents
a
comprehensive
summary
latest
advancements
in
MXenes-based
materials
It
begins
with
an
introduction
to
special
structural
features
performance,
followed
by
in-depth
exploration
versatile
functionalities.
A
detailed
description
different
mechanisms
also
included
illustrate
contribution
performance
its
improvement.
In
addition,
real-world
applications
sensors
monitoring
are
as
well.
remaining
challenges
their
promising
opportunities
finally
narrated,
conjunction
prospective
future
development.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 2, 2025
Abstract
Flexible
electromechanical
sensors
frequently
suffer
from
unexpected
impact
loadings
caused
by
slipping,
collisions
and
falling
objects,
to
name
a
few.
Without
sufficient
protection,
these
undesired
impacts
would
lead
critical
mechanical
instability
even
damage
flexible
sensors,
resulting
in
restricted
measurement
range
imprecise
sensing.
Thus,
it
is
of
significance,
but
still
fresh
challenge
enhance
the
stability
energy‐absorption
capacity
under
impacts.
Here,
multi‐design
strategy
proposed
construct
an
interpenetrating‐phase
cellulose‐acetate
composite
(IPC
2
)
architecture
for
impact‐intensive
sensing
applications.
The
external
structure
mimics
bellows‐morphology
beverage‐straws
that
deform
programmed
loading
direction
stability,
while
internal
conductive
core
has
co‐continuous
can
efficiently
absorb
energy.
Systematic
numerical
analysis
experimental
tests
demonstrate
IPC
presents
excellent
structural
cyclic
performance
unique
combination
exceptional
specific
energy
absorption
(SEA
=
2.66±1.2
kJ
kg
−1
),
low
density
(
ρ
720±10
m
−3
properties
(GF≈39.6).
Remarkably,
recovery
behaviors
terms
shape
electrical
signals
show
good
repeatability
reliability.
This
study
offers
new
framework
exploit
potentialities
with
protective
functions
commercial
values.
InfoMat,
Journal Year:
2024,
Volume and Issue:
6(7)
Published: June 4, 2024
Abstract
Flexible
electronics
has
emerged
as
a
continuously
growing
field
of
study.
Two‐dimensional
(2D)
materials
often
act
conductors
and
electrodes
in
electronic
devices,
holding
significant
promise
the
design
high‐performance,
flexible
electronics.
Numerous
studies
have
focused
on
harnessing
potential
these
for
development
such
devices.
However,
to
date,
incorporation
2D
rarely
been
summarized
or
reviewed.
Consequently,
there
is
an
urgent
need
develop
comprehensive
reviews
rapid
updates
this
evolving
landscape.
This
review
covers
progress
complex
material
architectures
based
materials,
including
interfaces,
heterostructures,
2D/polymer
composites.
Additionally,
it
explores
wearable
energy
storage
conversion,
display
touch
technologies,
biomedical
applications,
together
with
integrated
solutions.
Although
pursuit
high‐performance
high‐sensitivity
instruments
remains
primary
objective,
also
warrants
consideration.
By
combining
multiple
functionalities
into
singular
device,
augmented
by
machine
learning
algorithms,
we
can
potentially
surpass
performance
existing
technologies.
Finally,
briefly
discuss
future
trajectory
burgeoning
field.
discusses
recent
advancements
sensors
made
from
their
applications
architecture
device
design.
Micromachines,
Journal Year:
2024,
Volume and Issue:
15(2), P. 179 - 179
Published: Jan. 25, 2024
The
emerging
field
of
flexible
tactile
sensing
systems,
equipped
with
multi-physical
capabilities,
holds
vast
potential
across
diverse
domains
such
as
medical
monitoring,
robotics,
and
human–computer
interaction.
In
response
to
the
prevailing
challenges
associated
limited
integration
sensitivity
sensors,
this
paper
introduces
a
versatile
system
capable
concurrently
monitoring
temperature
pressure.
sensor
employs
carbon
nanotube/graphene
conductive
paste
its
sensitive
material,
while
pressure
integrates
an
ionic
gel
containing
boron
nitride
layer.
Through
application
cost-effective
screen
printing
technology,
we
have
successfully
manufactured
dual-mode
exceptional
performance,
featuring
high
(804.27
kPa−1),
broad
range
(50
kPa),
rapid
time
(17
ms),
relaxation
(34
alongside
durability
over
5000
cycles.
Furthermore,
resistance
coefficient
within
12.5
°C
93.7
is
−0.17%
°C−1.
designed
enables
real-time
detection
information,
presenting
innovative
approach
electronic
skin
capabilities.
