Flexible Pressure Sensor Based on Highly Oriented PVDF/ZnONRs@Ag Electrospun Fibers for Directional Sensing
ACS Sensors,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 26, 2025
In
recent
years,
research
on
piezoelectric
pressure
sensing
has
attracted
worldwide
attention,
as
eagerly
demanded
by
the
development
of
wearable
electronics.
However,
current
sensors
are
unable
to
detect
forces
along
different
bending
directions
with
a
high
resolution,
thus
limiting
their
applications
in
some
typical
scenarios.
To
address
this
issue,
study
designed
novel
composite
structure
ZnO
nanorods
loaded
Ag
nanoparticles
(ZnONRs@Ag)
and
then
embedded
highly
oriented
polyvinylidene
fluoride
(PVDF)
fibers.
Due
its
unique
orientation,
sensor
exhibits
anisotropy,
accurately
identifying
distinct
(such
perpendicular,
parallel,
or
twisting).
The
optimized
PVDF/ZnONRs@Ag
device
presents
peak
power
density
308.1
nW
cm-2
sensitivity
0.52
V
N-1
remains
stable
after
7000
cycles
at
1.4
Hz.
devices
utilized
monitor
various
human
movements
harvest
energy
from
them.
This
provides
viable
method
for
manufacturing
self-powered
directional
sensors,
contributing
advancement
technology
harvesting
applications.
Language: Английский
Flexible Pressure Sensors Based on Polyvinylidene Fluoride: A Critical Review
Ming Li,
No information about this author
H.C. Zang,
No information about this author
Jiawei Long
No information about this author
et al.
Materials,
Journal Year:
2025,
Volume and Issue:
18(3), P. 615 - 615
Published: Jan. 29, 2025
With
the
advent
of
intelligent
era,
flexible
piezoelectric
tactile
sensors,
as
key
components
for
sensing
information
and
transmitting
signals,
have
received
worldwide
attention.
However,
pressure
sensors
are
still
currently
limited,
which
severely
restricts
their
practical
applications.
Furthermore,
demonstrations
conducted
in
labs
not
accurate
to
real-world
scenarios.
Thus,
there
is
an
urgent
need
further
optimize
intrinsic
performance
usage
characteristics
meet
application
requirements.
As
a
representative
piezoelectric,
polyvinylidene
fluoride
(PVDF)
exhibits
significant
advantages
terms
excellent
flexibility,
chemical
stability,
high
electromechanical
conversion,
low
cost,
appropriate
acoustic
impedance,
allow
it
serve
core
matrix
sensors.
This
paper
aims
summarize
very
recent
progress
based
on
PVDF,
including
composition
modulation,
structure
optimization,
Based
comprehensive
summary
studies,
we
propose
rational
perspectives
strategies
regarding
PVDF-based
provide
some
new
insights
research
industrial
communities.
Language: Английский