Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(35), P. 16429 - 16441
Published: Aug. 22, 2024
In
the
bustling
metropolis
of
tomorrow,
where
pollution
levels
are
a
constant
concern,
team
innovative
researchers
embarked
on
quest
to
revolutionize
air
quality
monitoring.
pursuit
this
objective,
study
synthesis
indium
oxide
materials
via
straightforward
solvothermal
method
purposely
for
NO
Applied Physics Letters,
Journal Year:
2024,
Volume and Issue:
124(5)
Published: Jan. 29, 2024
Moisture
detection
plays
a
crucial
role
in
physiological
monitoring
and
wearable
electronics.
Nevertheless,
most
of
the
humidity
sensors
were
restricted
by
power
supply,
hindering
their
applicability
internet
things
mobile
healthcare.
Herein,
we
reported
hierarchical
piezoelectric
composite
film
for
active
biomonitoring.
The
as-electrospun
transducing
textile
consists
samarium-modified
lead
magnesium
niobate
titanate
piezoceramic
fillers
polyvinylidene
fluoride
matrix,
while
spin
coated
polyimide
serves
as
sensitive
layer.
By
tuning
thickness
ratio
between
layer
sensing
well
porosity
electrode,
an
optimal
moisture-sensing
performance
was
accomplished
with
high
response
∼500%
rapid
response/recovery
time
23
s/31
s.
Furthermore,
theoretical
modeling
mechanism
established
combining
thermodynamic
derivation
finite
element
calculation.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(23)
Published: Feb. 28, 2024
Abstract
Skin‐like
thermoelectric
(TE)
films
with
temperature‐
and
strain‐sensing
functions
are
highly
desirable
for
human‐machine
interaction
systems
wearable
devices.
However,
current
TE
still
face
challenges
in
achieving
high
flexibility
excellent
sensing
performance
simultaneously.
Herein,
the
first
time,
a
facile
roll‐to‐roll
strategy
is
proposed
to
fabricate
an
ultraflexible
chalcogenide
glass‐polytetrafluoroethylene
composite
film
superior
performance.
The
unique
reticular
network
of
endows
it
efficient
Seebeck
effect
flexibility,
leading
coefficient
(731
µV/K),
rapid
temperature
response
(≈0.7
s),
strain
sensitivity
(gauge
factor
=
836).
Based
on
this
high‐performance
film,
intelligent
robotic
hand
action
feedback
alarm
fabricated,
demonstrating
its
great
potential
interaction.
Such
fabrication
not
only
brings
new
inspiration
inorganic
devices,
but
also
sets
stage
wide
implementation
multifunctional
systems.
Polyoxometalates,
Journal Year:
2024,
Volume and Issue:
3(2), P. 9140053 - 9140053
Published: Jan. 4, 2024
Quick
response
and
high
sensitivity
are
equally
important
for
the
practical
application
of
gas
sensors.
In
this
study,
we
introduced
polyoxometalates
(POMs)
into
a
classical
ternary
metal
oxide
CuBi2O4
first
time
by
convenient
electrospinning
prepared
group
heater-type
sensors
using
CuBi2O4/PW12
composite
nanofibers.
The
sensor
performances
to
formaldehyde
were
explored.
results
proved
that
gas-sensing
(PW12
=
H3PW12O40·xH2O)
100
ppm
was
increased
6.68,
which
3.92
times
greater
than
sensing
capacity
pure
sensor.
Simultaneously,
exhibited
highly
rapid
response/recovery
only
1/2
s,
is
significantly
faster
reported
in
past
literature.
cause
improvement
performance
assessed
via
mechanism
it
found
introduction
PW12
contributed
its
enhanced
performance.
It
PW12,
as
an
electron
acceptor,
carrier
mobility
reduced
electron–hole
recombination,
thus
contributing
properties.
Moreover,
other
parameters
such
selectivity,
humidity
resistance,
repeatability,
long-term
stability
investigated.
Hence,
study
literature
on
development
polyoxometalates-based
ACS Applied Electronic Materials,
Journal Year:
2024,
Volume and Issue:
6(4), P. 2575 - 2583
Published: March 21, 2024
Polymer-based
piezoelectric
composites
have
shown
a
large
potential
in
various
fields
of
wearable
electronics,
man–machine
interaction,
transducers,
etc.,
due
to
their
integrated
advantages
high
properties,
benign
flexibility,
and
pressure
sensitivity.
As
the
representative
polymer
matrix
composites,
polyvinylidene
fluoride
(PVDF)
is
characterized
by
its
intrinsic
response
induced
via
existence
ferroelectric
β
γ
phases.
However,
most
stable
phase
at
ambient
temperature
nonpolar
paraelectric
α
phase,
which
serves
as
long-standing
issue.
Herein,
chitosan
was
introduced
into
PVDF
promote
transition
from
interaction
between
–OH
–NH2
groups
H
F
atoms
PVDF.
evidenced,
portion
increased
47.9
63.7%.
An
electrospinning
technique
adopted
prepare
PVDF/chitosan
with
content
ranging
1
4
wt
%,
correlation
structural
characteristics
properties
illustrated
detail.
Then,
flexible
sensor
based
on
composite
prepared,
presents
low
detection
limit
∼220
Pa
wide
range
220
Pa–81
kPa.
The
good
capability
for
detecting
pulse
signals
speech
recognition
accurately.
well
demonstrated
this
work,
treatment
low-cost
may
boost
practical
application
future
electronics.