e-Journal of Nondestructive Testing,
Год журнала:
2024,
Номер
29(7)
Опубликована: Июнь 29, 2024
Wearable
technology
has
become
increasingly
popular
in
recent
years.
sensors
are
systems
made
of
flexible
substrates
which
good
adaptability
to
human
motion
monitoring.
In
parituclar,
they
allow
doctors
obtain
real-time
data
from
patients
by
detecting
small
changes
baseline
values
over
time,
such
as
the
movement
various
joints
or
muscles,
heart
activity,
breathing,
and
even
sweat.
this
regard,
polymers
can
offer
flexibility,
stretchability,
long-term
reliability,
which,
together
with
possibility
modifying
their
electrical
response
conductive
nanofillers,
makes
them
promising
for
fabrication
kind
sensors,
conductivity
applied
strain.
work,
piezoresistive
based
on
poly(vinylidene
fluoride-hexafluoropropylene)
(PVDF-HFP)
reinforced
graphene
nanoplatelets
via
solvent
casting
presented.
Here,
both
electromechanical
responses
evaluated
a
function
different
processing
conditions,
more
specifically,
sonication
time
evaporation
temperature.
Then,
several
successful
proof-of-concept
tests
have
been
carried
out
monitoting
pressure
sensing
applications,
very
high
sensitivities,
being
applications.
Advanced Sustainable Systems,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 10, 2025
Abstract
Wearable
electronics
have
gained
increasing
attention
due
to
their
potential
in
real‐time
health
monitoring
applications.
However,
the
environmental
impact
and
waste
associated
with
non‐recyclable
materials
used
these
devices
remain
critical
challenges.
This
study
investigates
reprocessing
recyclability
of
flexible
strain
sensors
based
on
Poly(vinylidene
fluoride‐co‐hexafluoropropylene)
(PVDF‐HFP)
nanocomposites
reinforced
carbon
nanotubes
(CNT)
graphene
nanoplatelets
(GNP).
The
are
subjected
multiple
recycling
cycles
using
a
solvent
casting
method,
electrical
electromechanical
properties
thoroughly
analyzed.
Microstructural
characterization
revealed
improved
nanoparticle
dispersion
recycling,
albeit
distinct
behavior
for
CNT
GNP
differences
aspect
ratio
geometry.
Electrical
tests
demonstrated
reduction
conductivity
CNT‐based
breakage,
while
GNP‐based
exhibited
stable
conductivity.
Electromechanical
indicated
enhanced
sensitivity
after
showing
superior
robustness.
Proof‐of‐concept
tests,
including
knee
joint
movements
breathing
patterns,
validated
functionality
recycled
findings
highlight
reprocessed
PVDF‐HFP
nanocomposite
as
sustainable,
high‐performance
wearable
electronics.
Journal of Applied Polymer Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 23, 2024
Abstract
Recent
advancements
in
organic
materials
based
sensor
technology
created
a
prospective
field
designing
sensors
that
are
both
cost‐effective
and
environment
friendly.
In
view
of
an
electronic
material
system
has
been
prepared
depositing
uniform
layer
graphite‐infused
Polyaniline
(PANI)
onto
the
sponge
framework
using
straightforward
physical
vapor
deposition
technique.
The
active
were
studied
for
composition,
morphology,
optical
properties,
charge
transport
characteristics.
current
context
rapidly
growing
technology,
this
works
describes
innovative
approach
improving
response
PANI/Gr
composites,
integrated
into
porous
PU
substrates.
Incorporation
graphite
PANI
improved
electrical
conductivity
composite
structure
increased
interaction
surface
area.
performance
humidity
detection
was
evaluated
by
studying
their
resistive
under
varying
levels,
which
measured
through
current‐voltage
(I‐V)
higher
sites
reported
sensing
leads
to
inspiring
sensitivity
0.522–26.22
kΩ/%
RH
with
reasonable
recovery
time
572
416
sec
respectively.
Additionally,
consisting
degradable
will
offer
useful
way
reducing
garbage.
Applied Sciences,
Год журнала:
2022,
Номер
12(21), С. 11154 - 11154
Опубликована: Ноя. 3, 2022
Wearable
technology
components
have
been
integrated
into
accessories
and
then
clothes
over
the
evolutionary
process.
In
future,
it
is
predicted
that
wearable
technologies
will
be
patchable
implantable.
Despite
progress
in
technologies,
there
an
adaptation
problem
technologies.
One
of
most
important
reasons
for
this
negative
product
experiences
users.
study,
we
investigated
user
accessory-based
textile-based
Due
to
temporality
experience,
a
mixed
method
was
developed,
including
survey
expectations
before
use,
diary-interview
during
semi-structured
interview
after
use.
The
data
obtained
with
these
methods
were
analyzed
SPSS
NVivo
programs
two
different
wearing-style
compared.
As
result
analyses,
has
revealed
give
more
positive
experience
use
may
preferred
terms
wearability.
This
Editorial
highlights
some
current
challenges
and
emerging
solutions
in
wearable
sensors,
a
maturing
field
where
interdisciplinary
crosstalk
is
of
paramount
importance.
Currently,
investigation
efforts
are
aimed
at
expanding
the
application
scenarios
translating
early
developments
from
basic
research
to
widespread
adoption
personal
health
monitoring
for
diagnostic
therapeutic
purposes.
translation
requires
addressing
several
old
new
that
summarized
this
editorial.
The
special
issue
"Emerging
technologies
sensors"
includes
four
selected
contributions
leading
researchers,
exploring
topic
different
perspectives.
aim
provide
APL
Bioengineering
readers
with
solid
timely
overall
vision
recent
examples
avenues.
Chemistry of Materials,
Год журнала:
2023,
Номер
35(17), С. 6909 - 6919
Опубликована: Авг. 17, 2023
Flexible
piezoresistive
pressure
sensors
are
key
components
in
wearable
technologies
for
health
monitoring,
digital
healthcare,
human–machine
interfaces,
and
robotics.
Among
active
materials
sensing,
graphene-based
extremely
promising
because
of
their
outstanding
physical
characteristics.
Currently,
a
challenge
sensing
is
the
sensitivity
enhancement
through
fine
tuning
material's
electro-mechanical
properties.
Here,
we
describe
novel
versatile
approach
to
modulating
by
combining
chemically
reduced
graphene
oxide
(rGO)
with
thermally
responsive
material,
namely,
trifunctional
polybenzoxazine
thermoset
precursor
based
on
tris(3-aminopropyl)amine
phenol
reagents
(PtPA).
The
integration
rGO
thermoresist
matrix
results
an
electrically
conductive
nanocomposite
where
triggered
resist's
polymerization
modulates
material
rigidity
consequently
response
pressure.
Pressure
comprising
rGO-PtPA
blend
exhibit
sensitivities
ranging
from
10–2
1
kPa–1,
which
can
be
modulated
controlling
rGO:PtPA
ratio
or
curing
temperature.
Our
represents
proof-of-concept
on-demand
behavior.
Combined
solution
processability
thermal
process
compatible
large-area
coatings
flexible
supports,
this
method
holds
great
potential
applications
monitoring.
Chemosensors,
Год журнала:
2023,
Номер
11(10), С. 529 - 529
Опубликована: Окт. 8, 2023
Bending
strain
sensors
based
on
one-dimensional
ZnO
nanorod
(NR)
arrays
cross-linked
with
interdigitated
electrodes
were
fabricated
polyethylene
terephthalate
(PET)
substrates.
NRs
grown
using
the
hydrothermal
method
through
dopings
different
transition
metals,
such
as
Co,
Ni,
or
Co-plus-Ni,
PET
substrates,
and
their
microstructural
morphology
crystalline
properties
examined
by
a
variety
of
surface
analysis
methods.
Ultraviolet
photoresponse
normalized
resistance
change
measured
according
to
bending
strains
concave
convex
directions,
highest
gauge
factors
175
83
achieved
in
respectively,
at
1.75%,
when
Co-plus-Ni
was
doped
NRs.
