Materials Horizons,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
The
'pyro-phototronic
effect'
plays
a
nontrivial
role
in
advancing
ferroelectric
(FE)
devices
of
light
detectors,
light-emitting
diodes,
and
other
smart
technologies.
In
this
work,
premier
FE
copolymer,
poly(vinylidene
fluoride-
Advanced Materials Technologies,
Journal Year:
2024,
Volume and Issue:
9(20)
Published: July 12, 2024
Abstract
In
recent
years,
the
convergence
of
smart
electronic
textile
(e‐textile)
and
digital
technology
has
emerged
as
a
transformative
shift
in
healthcare,
offering
innovative
solutions
for
point‐of‐care
diagnostics.
However,
development
electronics
with
exceptional
functionality
comfort
still
remains
challenging.
Here,
all‐electrospun
piezoelectric
e‐textile
empowered
is
reported
by
Internet
Things
(IoT)
machine
learning
advanced
The
resulting
exhibits
breathability
(b
≈
4.13
kg
m
−2
d
−1
),
flexibility,
water‐resistive
properties
(water
contact
angle
≈137°),
mechano‐sensitivity
1.5
V
N
due
to
its
mechanical‐to‐electrical
energy
conversion
abilities.
It
can
efficiently
monitor
different
critical
biomedical
healthcare
signals,
such
as,
arterial
pulse
respiration
rate.
Importantly,
sensor
demonstrates
remarkable
attributes,
generating
an
open
circuit
voltage
10.5
V,
short
current
7.7
µA,
power
density
4.2
µW
cm
.
Moreover,
provides
real‐time,
non‐invasive
monitoring
human
physiological
movements
through
IoT.
worth
highlighting
that
showcases
impressive
96%
accuracy
detecting
respiratory
representing
significant
accomplishment.
Thus,
this
enormous
potential
remote
patient
early
disease
detection,
aiming
reduce
costs,
enhance
outcomes,
improve
overall
quality
medical
care.
Small,
Journal Year:
2024,
Volume and Issue:
20(48)
Published: Sept. 6, 2024
Abstract
Magnetoelectric
materials
are
highly
desirable
for
technological
applications
due
to
their
ability
produce
electricity
under
a
magnetic
field.
Among
the
various
types
of
magnetoelectric
studied,
organic
counterparts
provide
an
opportunity
develop
solution‐processable,
flexible,
lightweight,
and
wearable
electronic
devices.
However,
there
is
rare
choice
lightweight
which
has
tremendous
interest.
A
supramolecular
scaffold
with
precisely
positioned
structure‐forming
functional
units
(electrical
dipoles
spins)
designed
so
that
self‐assembly
results
in
unit
organization.
Structure‐forming
segments
allow
these
scaffolds
self‐assemble
into
hierarchically
ordered
structures
nonpolar
solvents,
creating
nanofibrous
organogel
networks.
In
particular,
xerogel
derived
from
this
exhibits
highest
coupling
coefficient
(α
ME
≈
216
mV
Oe
−1
cm
)
reported
date
materials.
This
even
greater
than
commonly
envisioned
composite
made
piezoelectric
polymers
inorganic
magnets.
single‐component
multiferroic
material
displays
ferroelectricity
(
T
c
46
°C)
paramagnetic
behavior
at
room
temperature.
With
this,
it
demonstrated
possibilities
effectively
harvesting
stray
fields
copiously
available
surroundings
wasted
otherwise.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(44), P. 30681 - 30689
Published: Oct. 23, 2024
The
magnetoelectric
(ME)
effect,
which
involves
the
interaction
of
magnetic
and
electric
fields
within
a
material,
has
significant
potential
for
various
applications.
Our
study
addresses
limitations
conventional
magnetostriction-based
ME
materials
by
demonstrating
an
alternative
approach
that
achieves
substantial
effects
in
core-shell-type
nanocomposites
at
room
temperature.
By
synthesizing
ferrimagnetic
Fe3O4
nanoparticles
onto
piezoelectric
poly(vinylidene
fluoride)
(PVDF)
particles,
we
identified
distinct
mechanism.
In
magnetorheological
(MR)
fluids,
magnetic-field-induced
aggregation
nanoparticles,
combined
with
piezoelectricity
PVDF,
leads
to
pronounced
significantly
enhancing
performance
stability
MR
fluids.
This
research
highlights
crucial
observation
effects,
could
suggest
pathways
advancements
practical
applications
including
microfluidics,
vibration
dampers,
tactile
technologies,
biomedical
bioengineering
fields.