High-performance
flexible
tactile
sensors
have
attracted
significant
attention
in
the
domains
of
human-machine
interactions.
However,
efficient
fabrication
with
highly
sensitive
responses
over
a
broad
load
range
still
remains
challenge.
Here,
we
propose
one-step
laser
writing
route
to
construct
distinctive
multilevel
piezoresistive
structure,
consisting
Cu
nanoparticle-doped
graphene
protrusions
and
surrounding
porous
sheets.
This
structure
enables
assembled
exhibit
superior
sensitivity
at
both
low-pressure
(1468
kPa
Nanomaterials,
Journal Year:
2025,
Volume and Issue:
15(4), P. 298 - 298
Published: Feb. 15, 2025
Flexible
sensors
are
revolutionizing
our
lives
as
a
key
component
of
intelligent
wearables.
Their
pliability,
stretchability,
and
diverse
designs
enable
foldable
portable
devices
while
enhancing
comfort
convenience.
Advances
in
materials
science
have
provided
numerous
options
for
creating
flexible
sensors.
The
core
their
application
areas
like
electronic
skin,
health
medical
monitoring,
motion
human-computer
interaction
is
selecting
that
optimize
sensor
performance
weight,
elasticity,
comfort,
flexibility.
This
article
focuses
on
sensors,
analyzing
"sensing
mechanisms-materials-applications"
framework.
It
explores
development
trajectory,
material
characteristics,
contributions
various
domains
such
interaction.
concludes
by
summarizing
current
research
achievements
discussing
future
challenges
opportunities.
expected
to
continue
expanding
into
new
fields,
driving
the
evolution
smart
wearables
contributing
society.
Nanotechnology,
Journal Year:
2024,
Volume and Issue:
35(32), P. 325502 - 325502
Published: April 22, 2024
Flexible
piezoresistive
pressure
sensors
are
gaining
significant
attention,
particularly
in
the
realm
of
flexible
wearable
electronic
skin.
Here,
a
sensor
was
developed
with
broad
sensing
range
and
high
sensitivity.
We
achieved
this
by
curing
polydimethylsiloxane
(PDMS)
on
sandpaper,
creating
PDMS
film
as
template
micro-protrusion
structure.
The
core
layer
formed
using
composite
silver
nanowires
(AgNWs)
waterborne
polyurethane
(WPU)
similar
stands
out
its
exceptional
sensitivity,
showing
value
1.04
×
10
Journal of Physics Conference Series,
Journal Year:
2025,
Volume and Issue:
2949(1), P. 012005 - 012005
Published: Feb. 1, 2025
Abstract
In
this
study,
flexible
piezoresistive
pressure
sensors
with
a
spinosum
structure
surface
were
fabricated
from
Polyaniline/Polyvinyl
Alcohol
(PANI/PVA)
hydrogel.
First,
PANI
powder
was
and
mixed
PVA
solution.
The
mixture
blended
at
1:1
ratio
10%
solution
before
scraped
on
two
types
of
abrasive
paper
to
replicate
the
microstructure.
hydrogel
thin
films
dried
ambient
temperature
then
carefully
removed
obtain
micro
structured
PANI/PVA
films.
phase
evaluated.
mechanical
strength
film
assessed
using
stress-strain
curve.
According
results,
pore
sizes
microstructure
affected
resistance
film.
capable
producing
current
responses
different
masses.
Furthermore,
able
identify
calligraphic
styles,
demonstrating
their
potential
for
biometric
recognition
personalized
electronics
applications.
