Advanced Materials Technologies,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 27, 2024
Abstract
Flexible
pressure
sensors
are
unprecedentedly
developed
on
monitoring
human
physical
activities
and
human–computer
interaction.
Simultaneously,
improving
the
sensitivity
range
of
flexible
is
a
great
challenge.
Despite
introduction
microstructures
dielectric
layer,
deformability
still
limited
due
to
size
constraints
microstructures,
iontronic
capacitive
sensor
(ICPS)
difficult
significantly
improve.
Here,
an
innovative
strategy
combining
nano‐ZnO
sodium
alginate
(SA)
ionogels
with
two‐stage
enhancement
(TSE)
structures,
which
can
enhance
toughness
ICPS
for
ultrasensitive
range,
proposed.
Compared
other
previously
reported
sensors,
in
this
work
exhibits
ultra‐high
(S
max
>17000
kPa
−1
,
S
min
>360
)
broad
sensing
more
than
900
maintains
stable
long‐term
working
durability
4000
cycles.
The
demonstrates
its
versatility
potential
practical
applications
activity
This
provides
general
achieve
broader
pressure‐response
higher
sensitivity,
offering
effective
way
low‐cost,
scalable
sensor.
ACS Materials Letters,
Год журнала:
2024,
Номер
6(5), С. 1686 - 1710
Опубликована: Март 28, 2024
Soft
materials
in
ordered
microstructures,
soft
microstructure
arrays
(SMAs),
hold
the
potential
to
combine
polymer
science,
surface
physics
and
chemistry,
structural
mechanics
into
an
integrated
microsystem
for
a
wide
spectrum
of
applications,
due
their
high
specific-area
contact
surfaces
with
tunable
physical
chemical
properties,
parallel
addressability
resolution,
response
range
electromagnetic
waves,
mechanical
flexibility
elasticity.
Inspired
by
everyday
presence
Nature,
such
as
lotus
leaves
that
repel
water,
brilliant
hues
on
butterfly
wings,
clingy
toes
tree
frogs,
rationally
designed
SMAs
have
witnessed
explosive
evolution
past
several
years.
This
paper
provides
comprehensive
review
latest
progress
SMAs,
focusing
incorporated
functionality
use
smart
programmable
systems
purpose
mass
transport,
energy
transformation,
manipulation.
The
exciting
advances
lithography,
microactuators,
biomedical
patching,
sensing,
superwettability,
adhesion
are
featured.
Finally,
we
highlight
remaining
challenges
present
future
outlooks
SMA's
advancement.
condenses
key
discoveries
from
various
SMA-related
fields
one
place
cultivates
shared
insights
endeavors
stimulate
development
next-generation
systems.
In
recent
years,
the
rapid
advancement
of
flexible
sensors
as
cornerstone
electronics
has
propelled
a
flourishing
evolution
within
realm
electronics.
Unlike
traditional
devices,
hydrogel
have
characteristic
advantages
such
biocompatibility,
adhesion,
and
adjustable
mechanical
properties
similar
to
human
skin.
Especially,
biobased
hydrogels
become
preferred
substrate
material
for
due
increased
environmental
pressures
caused
by
scarcity
petrochemical
resources.
this
regard,
proteins
possess
diverse
amino
acid
compositions,
advanced
structures,
chemical
modifiability,
application
protein
engineering
techniques,
ability
respond
various
external
stimuli.
These
enable
constructed
from
them
greater
designability,
flexibility,
adaptability.
As
result,
their
applications
in
manufacturing
types
experienced
growth.
This
work
systematically
reviews
sensing
mechanism
protein-based
hydrogels,
focusing
on
preparation
optimization
mainly
perspective
typical
type
animal-derived
casein.
addition,
while
potential
casein
is
recognized,
limitations
casein-based
sensor
are
explored,
insights
provided
into
development
trends
next-generation
based
materials.
IEEE Sensors Journal,
Год журнала:
2024,
Номер
24(7), С. 9251 - 9277
Опубликована: Фев. 2, 2024
The
flexible
pressure
sensors
enable
their
extensive
utilization
across
a
wide
range
of
domains,
encompassing
wearable
electronic
devices,
human–machine
interfaces,
skin,
and
intelligent
medical
treatment.
In
recent
years,
the
rapid
advancements
in
technologies
such
as
Internet
Things
artificial
intelligence,
coupled
with
growing
functional
requirements,
have
given
rise
to
flourishing
research
domain
focused
on
high-performance
sensors.
Theoretical
models,
structural
design,
process
preparation
continuously
advanced
based
traditional
materials.
However,
these
still
fall
short
meeting
demand
for
high
quality,
sensitivity,
measurement
capabilities.
Meanwhile,
excellent
mechanical
electrical
properties
2-D
materials
make
them
best
candidate
material
next
generation
advancement
is
currently
constrained
by
factors
challenge
posed
crosstalk
arrays,
impact
environmental
variables
achieving
optimal
performance,
intricate
task
decoupling
multiple
signals.
This
article
reviews
current
status
applications
years
puts
forward
some
challenges,
which
provides
valuable
guide
future
developments
this
field.
review
sheds
light
ACS Applied Electronic Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 4, 2025
Sensitivity
and
detection
range
are
pivotal
attributes
in
the
design
of
flexible
pressure
sensors.
Nonetheless,
maintaining
a
high
sensitivity
across
wide
remains
difficult
challenge.
In
response
to
this
concern,
we
propose
an
ionic
capacitive
sensor
that
combines
electron
double
layer
mechanism
with
hierarchical
microridge
structure.
Experimentally,
structures
fabricated
by
low-cost
etched
polysilicon
template
method.
The
demonstrates
segmented
linearity
over
range.
Within
up
193.06
kPa,
maximum
119.05
kPa–1
0.9876.
Benefiting
from
broad
range,
sensitivity,
linearity,
practical
applications
around
human
motion
monitoring
such
as
joint
motions
pulse
demonstrated
here.
This
work
provides
strategy
for
developing
capacitive,
sensors
Chemical Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Carbon-based
iontronics
is
an
emerging
field.
Various
nanostructured
carbon
materials
enable
bio-inspired
information
sensing,
processing,
and
actuation
by
mimicking
bioelectric
signals
bioactive
ion
interactions.
Iontronic
pressure
sensors
(IPSs)
are
emerging
as
promising
candidates
for
integration
into
wearable
electronics
and
healthcare
monitoring
systems
due
to
their
high
sensitivity
low
power
consumption.
However,
achieving
across
a
broad
linear
range
remains
significant
challenge.
This
study
presents
novel
IPS
device
with
an
asymmetric
sandwich
structure,
which
includes
three-dimensional
electrode
made
of
nickel
manganese
oxide/carbon
nanotubes
(NMO/CNT)
embedded
iron
needles
ionic
dielectric
layer.
The
proposed
demonstrates
exceptional
linearity
over
1700
kPa,
exceeding
7700
kPa–1.
It
exhibits
rapid
response
recovery
times
in
the
millisecond
maintains
consistent
capacitive
15,000
loading–unloading
cycles.
Moreover,
enables
noncontact
sensing
magnetic
field
variations,
broadening
its
potential
applications.
innovative
design
effectively
balances
wide
range,
rendering
it
suitable
various
applications
such
nonverbal
communication
aids
systems.
Chemical Society Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
The
emerging
flexible
iontronic
sensing
(FITS)
technology
offers
a
novel
approach
to
tactile
perception,
mimicking
human
skin's
structure
and
enabling
seamless
integration
with
biological
systems.
This
review
highlights
its
latest
advancements.
