ACS Applied Electronic Materials,
Journal Year:
2024,
Volume and Issue:
6(2), P. 862 - 874
Published: Jan. 16, 2024
Herein,
we
reported
the
fabrication
of
a
highly
flexible,
sensitive,
lightweight,
self-poled,
hybrid
tungsten
disulfide
(WS2)
quantum
dots-filled
poly(vinylidene
fluoride-co-hexafluoropropene)
(PVDF-HFP)
nanocomposite-based
piezoelectric
nanogenerator
device
with
high
output
performance.
Highly
uniform
WS2
dots
an
average
diameter
7–8
nm
were
synthesized
from
hydrothermal
route
and
enhanced
β-phase
PVDF-HFP
was
obtained
through
polar
DMF
solvent
in
situ
electrical
poling.
Structural
morphological
investigation
revealed
formation
pure
phase
QDs-PVDF-HFP
nanocomposite
PVDF-HFP.
Piezoelectric
force
microscope
analysis
very
charge
coefficient
(d33)
∼294.55
pm/V
single
QDs.
The
flexible
transparent
fabricated
produced
remarkably
voltage
current
density
about
22
V
1.06
μA/cm2,
respectively,
even
under
low
pressure
without
external
exhibited
dielectric
constant
30
at
frequency.
performance
nanogenerators
discussed
light
piezoelectricity,
interface
polarization,
large
constant.
present
study
opens
excellent
to
developing
self-powered,
ultralight,
energy-harvesting
system
for
wearable
body
implantable
nanodevices.
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
13(22)
Published: May 22, 2024
The
past
few
decades
have
witnessed
the
rapid
advancement
and
broad
applications
of
flexible
bioelectronics,
in
wearable
implantable
electronics,
brain-computer
interfaces,
neural
science
technology,
clinical
diagnosis,
treatment,
etc.
It
is
noteworthy
that
soft
elastic
conductive
hydrogels,
owing
to
their
multiple
similarities
with
biological
tissues
terms
mechanics,
water-rich,
functions,
successfully
bridged
gap
between
rigid
electronics
biology.
Multifunctional
hydrogel
emerging
as
a
new
generation
promising
material
candidates,
authentically
established
highly
compatible
reliable,
high-quality
bioelectronic
particularly
recording
stimulation.
This
review
summarizes
basis
design
principles
involved
constructing
systematically
discusses
fundamental
mechanism
unique
advantages
bioelectrical
interfacing
surface.
Furthermore,
an
overview
state-of-the-art
manufacturing
strategies
for
interfaces
enhanced
biocompatibility
integration
system
presented.
finally
exemplifies
unprecedented
impetus
toward
stimulation,
especially
integrated
systems,
concludes
perspective
expectation
bioelectronics
biomedical
applications.
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 17, 2024
Abstract
The
rapid
advancements
in
artificial
intelligence,
micro‐nano
manufacturing,
and
flexible
electronics
technology
have
unleashed
unprecedented
innovation
opportunities
for
applying
sensors
healthcare,
wearable
devices,
human–computer
interaction.
human
body's
tactile
perception
involves
physical
parameters
such
as
pressure,
temperature,
humidity,
all
of
which
play
an
essential
role
maintaining
health.
Inspired
by
the
sensory
function
skin,
many
bionic
been
developed
to
simulate
skin's
various
stimuli
are
widely
applied
health
monitoring.
Given
urgent
requirements
sensing
performance
integration
field
devices
monitoring,
here
is
a
timely
overview
recent
advances
multi‐functional
It
covers
fundamental
components
categorizes
them
based
on
different
response
mechanisms,
including
resistive,
capacitive,
voltage,
other
types.
Specifically,
application
these
area
monitoring
highlighted.
Based
this,
extended
dual/triple‐mode
integrating
temperature
presented.
Finally,
challenges
discussed.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(44)
Published: June 22, 2024
Abstract
Tactile
sensors
have
garnered
considerable
interest
for
their
capacity
to
detect
and
quantify
tactile
information.
The
incorporation
of
microstructural
designs
into
flexible
has
emerged
as
a
potent
strategy
augment
sensitivity
pressure
variations,
thereby
enhancing
linearity,
response
spectrum,
mechanical
robustness.
This
review
underscores
the
imperative
progress
in
microstructured
sensors.
Subsequently,
discourse
transitions
prevalent
materials
employed
fabrication
sensor
electrodes,
encapsulation
layers,
active
sensing
mediums,
elucidating
merits
limitations.
In‐depth
discussions
are
devoted
adorned
with
microstructures,
including
but
not
limited
to,
micropyramids,
microhemispheres,
micropillars,
microporous
configurations,
microcracks,
topological
interconnections,
multilevel
constructs,
random
roughness,
biomimetic
microstructures
inspired
by
flora
fauna,
accompanied
exemplar
studies
from
each
category.
Moreover,
utility
within
realm
intelligent
environments
is
explicated,
highlighting
application
monitoring
physiological
signals,
detection
sliding
motions,
discernment
surface
textures.
culminates
critical
examination
paramount
challenges
predicaments
that
must
be
surmounted
further
development
enhance
functional
performance
sensors,
paving
way
integration
advanced
sensory
systems.
Small,
Journal Year:
2024,
Volume and Issue:
20(30)
Published: March 3, 2024
Abstract
Hydrogels
are
currently
in
the
limelight
for
applications
soft
electronics
but
they
suffer
from
tendency
to
lose
water
or
freeze
when
exposed
dry
environments
low
temperatures.
Molecular
crowding
is
a
prevalent
occurrence
living
cells,
which
molecular
agents
modify
hydrogen
bonding
structure,
causing
significant
reduction
activity.
Here,
wide‐humidity
range
applicable,
anti‐freezing,
and
robust
hydrogel
developed
through
incorporation
of
natural
amino
acid
proline
(Pro)
conductive
MXene
into
polyvinyl
alcohol
(PVA)
networks.
Theoretical
calculations
reveal
that
Pro
can
transform
“free
water”
“locked
via
molecular‐crowding
effect,
thereby
suppressing
evaporation
ice
forming.
Accordingly,
prepared
exhibits
high
retention
capability,
with
77%
55%
being
preserved
after
exposure
20
°C,
28%
relative
humidity
(
RH)
35
90%
RH
12
h.
Meanwhile,
lowers
freezing
temperature
34
°C
enhances
its
stretchability
strength.
Finally,
PVA/Pro/MXene
hydrogels
assembled
as
multifunctional
on‐skin
strain
sensors
electrodes
monitor
human
motions
detect
tiny
electrophysiological
signals.
Collectively,
this
work
provides
strategy
will
motivate
researchers
develop
more
advanced
versatile
applications.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(25), P. 32702 - 32712
Published: June 13, 2024
Herein,
we
report
a
dual-functional
flexible
sensor
(DFFS)
using
magnetic
conductive
polymer
composed
of
nickel
(Ni),
carbon
black
(CB),
and
polydimethylsiloxane
(PDMS).
The
material
selection
for
the
DFFS
utilizes
excellent
elasticity
PDMS
matrix
synergistic
interaction
between
Ni
CB.
has
wide
strain
range
0–170%,
high
sensitivity
74.13
(140–170%),
low
detection
limit
0.3%
strain.
based
on
superior
performance
can
accurately
detect
microstrain/microvibration,
oncoming/contacting
objects,
bicycle
riding
speed.
Additionally,
be
used
comprehensive
monitoring
human
movements.
Therefore,
this
work
shows
significant
value
implementation
in
intelligent
wearable
devices
noncontact
control.
Materials Science and Engineering R Reports,
Journal Year:
2024,
Volume and Issue:
160, P. 100826 - 100826
Published: July 17, 2024
Ultrafast
UV
photodetectors
(UV
PDs)
are
crucial
components
in
modern
optoelectronics
because
conventional
detectors
have
reached
a
bottleneck
with
low
integration,
functionalities,
and
efficiency.
Core-shell
metal
oxide
nanobrushes
(MOx
NBs)-based
PDs
enhanced
the
absorption,
tunable
performance,
good
compatibility
for
diversified
applications,
including
imaging,
self-powered
systems,
remote
communications,
security,
wearable
electronics.
developed
complex
hierarchical
or
heterostructured
configurations
that
encapsulate
1D
MOx
nanowires
on
nanostructures
(NSs)
to
transport
high
charge
carrier
mobility
efficiency
by
reducing
scattering
recombination
rates.
This
review
presents
thorough
development
of
core-shell
microstructure
enhancement
detection
response
stability
controlled
parameters
multifunctional
applications.
Significant
roles
NBs-based
exploring
various
growth
techniques
photodetection
mechanisms
their
challenges,
limitations,
prospects,
providing
valuable
insights
propelling
progression
photodetector
technology
this
comprehensive
discussed
meticulously.
The
novelty
lies
distinctive
brush-like
morphology
aspect,
properties,
improved
performance
compared
other
NSs,
rapid
sensitive
(
̴µs-ms)
under
light
illumination.
diverse
photoresponse
applications
incorporating
NBs
carefully
summarized,
which
will
set
roadmap
future
technology.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 30, 2024
Defect
structure
is
pivotal
in
advancing
thermoelectric
performance
with
interstitials
being
widely
recognized
for
their
remarkable
roles
optimizing
both
phonon
and
electron
transport
properties.
Diverse
interstitial
atoms
are
identified
previous
works
according
to
distinct
can
be
classified
into
rattling
interstitial,
decoupling
interlayer
dynamic
liquid
interstitial.
Specifically,
cause
resonance
cage
compound
scatter
transport;
contribute
blocking
due
significantly
different
mean
free
paths;
facilitate
out-of-layer
layered
compounds;
tune
temperature-dependent
carrier
density
optimize
electrical
properties
at
wide
temperatures;
could
improve
the
mobility
homogeneous
dispersion
state.
All
of
these
have
positive
impact
on
by
adjusting
parameters.
This
perspective
therefore
intends
provide
a
thorough
overview
advances
strategy
highlight
significance
Finally,
profound
potential
extending
various
other
systems
discussed
some
future
directions
material
also
outlined.
