Journal of Industrial Textiles,
Journal Year:
2024,
Volume and Issue:
54
Published: Jan. 1, 2024
Piezoelectric
materials
have
garnered
significant
interest
owing
to
width
range
of
applications
in
sensing
and
energy
harvesting
by
converting
environmental
mechanical
electricity.
Improving
the
performance
piezoelectric
nanogenerators
(PENGs)
is
an
important
challenge
develop
these
devices.
Herein,
a
novel
method
was
used
enhance
piezoelectricity
PENGs
based
on
PVDF
NFs
(polyvinylidene
fluoride
nanofibers)
BaTiO3
NPs
(barium
titanate
nanoparticles)
simultaneously
electrospinning
electrospraying
NPs.
Two
set
nanogenerator
devices
were
prepared
which
differ
layer
arrangements
volume
fraction
piezopolymer
piezoceramic
parts.
Results
showed
that,
case
(E/E),
increase
phase
content
voltage
output
has
been
observed
comparison
with
arrangement.
The
improved
piezoelctric
performace
may
result
from
better
dipole
alignment
facilitated
more
intense
electric
field
during
E/E
process,
along
heightened
interactions
between
two
arising
enhanced
contact
multilayer
configuration.
Moreover,
optimum
ratio
obtain
maximum
1.5
0.5.
Therefore,
effectively
without
having
common
challenges
process
nanocomposites,
as
well
decreasing
total
preparation
time
simplifies
processing
steps.
Having
such
features,
leads
hold
great
appeal
for
diverse
applications.
ACS Applied Electronic Materials,
Journal Year:
2024,
Volume and Issue:
6(2), P. 839 - 846
Published: Jan. 31, 2024
Wearable
pressure
sensors
play
an
important
role
in
monitoring
human
health
and
disease
have
been
of
wide
concern
by
researchers.
However,
it
is
still
difficult
to
obtain
flexible
with
ultrahigh
limits,
high
sensitivity,
linear
range.
In
this
paper,
inspired
pine
branches
nature,
a
nanoneedle-like
NiMoO4
was
constructed
on
carbonized
sponge
the
hydrothermal
method.
It
used
as
backbone
combined
MWCNTs
electrostatic
self-polymerization.
Imitating
efficient
mutual
inductance
structure
between
branches,
sensor
can
enhance
detection
little
pressure.
The
shows
extremely
ranges
good
limits.
detect
all
kinds
tiny
stresses
daily
life.
addition,
cooperating
Arduino
system,
sensing
device
be
perfectly
necessities
such
masks
realize
body
real-time
upload
cloud.
Therefore,
has
excellent
application
potential
fields
medical
rehabilitation
internet
things.
design
also
provides
idea
for
study
piezoresistive
properties
three-dimensional
porous
materials.
Materials Science and Engineering R Reports,
Journal Year:
2023,
Volume and Issue:
157, P. 100763 - 100763
Published: Dec. 9, 2023
To
cater
to
the
extensive
body
movements
and
deformations
necessitated
by
biomedical
equipment
flexible
piezoelectrics
emerge
as
a
promising
solution
for
energy
harvesting.
This
review
research
delves
into
potential
of
Flexible
Piezoelectric
Materials
(FPM)
sustainable
clean
affordable
energy,
aligning
with
United
Nations'
Sustainable
Development
Goals
(SDGs).
By
systematically
examining
secondary
functions
stretchability,
hybrid
harvesting,
self-healing,
study
aims
comprehensively
understand
these
materials'
mechanisms,
strategies,
relationships
between
structural
characteristics
properties.
The
highlights
significance
designing
piezoelectric
materials
that
can
conform
curvilinear
shape
human
body,
enabling
efficient
mechanical
capture
various
applications,
such
biosensors
actuators.
identifies
critical
areas
future
investigation,
including
commercialization
stretchable
systems,
prevention
unintended
interference
in
harvesters,
development
consistent
wearability
metrics,
enhancement
elastic
material,
electrode
circuit,
substrate
improved
stretchability
comfort.
In
conclusion,
this
offers
valuable
insights
developing
implementing
FPM
innovative
approach
harnessing
clean,
line
SDGs.
The
significance
of
temperature
stability
in
piezoelectric
materials
is
crucial
as
it
directly
impacts
their
reliability
and
consistency
performance
under
varying
conditions.
However,
the
relationship
between
structural
remains
ambiguous.
In
this
study,
we
aim
to
address
issue
by
constructing
piezoceramics
with
low
high
using
"high
configurational
entropy"
(Pb
(Ni0.11Hf0.33Ti0.34Nb0.22)
O3)
strategy
"tolerance
factor"
(Ni0.11Hf0.21Ti0.46Nb0.22)
strategy.
was
then
explored
through
temperature-dependent
XRD,
Raman,
property
tests
range
25-250
°C.
Our
results
successfully
demonstrate
a
positive
correlation
stability.
microstructure
information
analyzed
XRD
Raman
showed
that
Pb
O3
has
more
abundant
phase
structure
transition
higher
ion
disorder,
which
reflected
its
poor
tests.
On
other
hand,
exhibited
excellent
due
stable
lower
disorder.
Specifically,
unipolar
strain
decreases
from
1.63%
at
25
°C
0.24%
200
°C,
while
only
changes
0.78%
0.79%
225
Additionally,
our
understanding
energy
barrier
imposed
wide
band
gap,
well
hindrance
domain
switching
stabilization
domains
pinning
effect
defect
dipoles,
reveals
underlying
mechanism
These
findings
provide
promising
approach
development
can
effectively
function
across
temperatures.
Piezoelectric
devices
have
garnered
significant
interests
due
to
their
dual
functionality
as
both
sensors
and
energy
harvesters,
well
the
rapid
development
in
Internet
of
Things
(IoT)
artificial
intelligence
(AI).
However,
fabrication
stretchable
transparent
piezoelectric
remains
a
great
challenge,
largely
inherent
crystalline
nature
materials
electrodes.
In
this
work,
for
first
time,
we
report
highly
device
based
entirely
on
polyurethane-urea
(PUU)
elastomers/composites.
Specifically,
nano
ZnO
hybrid
hydrophobic
PUU
serves
elastic
inner
layer;
conductive
ionic
liquid
composite
hydrophilic
forms
middle
electrode
elastomer
acts
outer
encapsulation
layer.
The
obtained
exhibits
exceptional
stretchability
(elongation
at
break
>1000%)
excellent
optical
transparency
(∼86%).
It
can
generate
distinct,
stable,
reliable
output
signals
monitoring
small-
large-scale
mechanical
motions
along
with
48
μW
m-2
pressure
38.2
kPa,
highlighting
its
outstanding
sensing
harvesting
capabilities.
This
work
presents
valuable
new
insights
into
design
novel,
reliable,
transparent,
devices,
paving
way
generation
flexible
electronics.
Journal of Materials Chemistry C,
Journal Year:
2022,
Volume and Issue:
10(41), P. 15367 - 15376
Published: Jan. 1, 2022
Nanofibril
m-PCMP/PVDF–TrFE
with
an
enhanced
piezo-response
of
PVDF–TrFE
and
a
tilted
energy
band
m-PCMP
showed
superb
performance
piezo-photocatalytic
dye
degradation.
Nano Energy,
Journal Year:
2023,
Volume and Issue:
120, P. 109092 - 109092
Published: Nov. 17, 2023
This
study
explores
an
innovative
energy
harvesting
technique
for
biomedical
implants
in
alignment
with
the
United
Nations
Sustainable
Development
Goals,
focusing
on
good
health
and
well-being
(Goal
3).
The
promotes
sustainable
healthcare
solutions
by
analysing
mechanically
deformed
materials,
surface
charges,
electric
fields.
review
research
delves
into
advancements
potential
of
piezoelectric
materials
their
integration
other
energy-harvesting
technologies,
such
as
thermoelectrics,
to
create
hybrid
systems
production
applications.
highlights
development
stretchable,
self-healing,
biodegradable
enabled
nano-fillers,
structural
engineering,
various
fabrication
techniques.
Integrating
thermoelectric
Energy
Harvesters
(EH)
has
led
devices
capable
simultaneously
harnessing
thermal
mechanical
energy,
ensuring
continuous
efficient
production.
self-healing
crystals
possibility
creating
durable
resilient
EH
that
can
withstand
repeated
stress.
novelty
this
lie
developing
adaptive,
high-performance,
environmentally
friendly
devices.
By
combining
piezoelectrics
disciplines
exploring
new
designs,
techniques,
aims
inspire
future
innovation
solutions.
