ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
17(2), С. 3676 - 3685
Опубликована: Янв. 7, 2025
3D
multifunctional
wearable
piezoresistive
sensors
have
aroused
extensive
attention
in
the
fields
of
motion
detection,
human-computer
interaction,
electronic
skin,
etc.
However,
current
research
mainly
focuses
on
improving
foundational
performance
sensors,
while
many
advanced
demands
are
often
ignored.
Herein,
a
sensor
based
rGO@C-ZIF-67@PU
is
fabricated
via
high
temperature
carbonization
and
solvothermal
reduction
method.
The
as-prepared
exhibits
sensitivity
245.4
kPa–1,
wide
detection
range
(0–25
kPa),
fast
response/recovery
time
(30
ms/50
ms),
excellent
durability
(over
5000
cycles).
Apart
from
outstanding
sensing
performance,
this
also
displays
UV
shielding
properties
antibacterial
activity,
providing
broader
application
prospect
for
hybrid
sensor.
Besides,
optic
nerve
damage/loss
can
be
compensated
to
some
extent
combining
with
traditional
guide
sticks,
thus
assisting
visually
impaired
people
integrate
into
social
life
normal
interaction
easily.
Evidently,
these
features
pave
promising
avenue
overcome
limitation
existing
provide
general
way
promote
its
broad
commercial
applications.
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 9, 2025
Abstract
High‐performance
bulk
graphite
(HPBG)
that
simultaneously
integrates
superior
electrical
conductivity
and
excellent
strength
is
in
high
demand,
yet
it
remains
critical
challenging.
Herein
a
novel
approach
introduced
utilizing
MOF‐derived
nanoporous
metal/carbon
composites
as
precursors
to
circumvent
this
traditional
trade‐off.
The
resulting
graphite,
composed
of
densely
packed
multilayered
graphene
sheets
functionalized
with
diverse
cobalt
forms
(nanoparticles,
single
atoms,
clusters),
exhibits
unprecedented
all
directions
(in‐plane:
7311
S
cm⁻¹,
out‐of‐plane:
5541
cm⁻¹)
mechanical
(flexural:
101.17±5.73
MPa,
compressive:
151.56±2.53
MPa).
Co
nanoparticles
act
autocatalysts
binders,
promoting
strong
interlayer
adhesion
among
highly
graphitized
layers
via
spark
plasma
sintering.
nano‐interfaces
between
Co‐create
bridges
nanosheets,
facilitating
efficient
electron
migration
enhanced
stiffness
the
assembled
nanocomposites.
Leveraging
these
exceptional
properties,
practical
demonstrations
highlight
immense
potential
robust
material
for
applications
demanding
electromagnetic
interference
shielding
heating.
An
innovative
approach,
which
effectively
decouples
from
paves
way
creation
HPBGs
tailored
application
sectors.
Abstract
The
efficient
capture,
conversion,
and
storage
of
solar
energy
present
significant
promise
for
advancing
green
utilization.
However,
pristine
phase
change
materials
(PCMs)
are
inherently
inadequate
optical
capture
absorption.
To
improve
photothermal
conversion
properties,
PCMs
metal‐organic
frameworks
derived
Co
nanoparticle‐anchored
carbonized
hollow
fiber
advantageously
integrated.
robust
carbon
tubular
structure
promises
thermal
storage,
fast
phonon
transfer,
excellent
durability
structural
stability
after
long
heating‐cooling
cycles.
Plasmonic
nanoparticles
broadband‐absorbing
high
graphitized
synergistically
enhance
light
harvesting
in
composite
PCMs,
achieving
94.38%
efficiency
(100
mW
cm
−2
).
This
integration
enables
the
simultaneous
generation
electrical
under
randomly
incident
radiation.
Attractively,
designed
photothermoelectric
system
steadily
realizes
a
continuous
output
voltage
309.8
mV
current
70.0
mA
advantageous
integrated
design
strategy
provides
constructive
insights
developing
next‐generation
toward
systems.
Abstract
With
the
miniaturization
and
integration
of
electronic
devices,
developing
advanced
multifunctional
phase
change
materials
(PCMs)
integrating
thermal
storage,
conduction,
microwave
absorption
to
address
electromagnetic
interference,
dissipation,
instantaneous
shock
is
imperative.
Herein,
we
proposed
an
extensible
strategy
synthesize
MOF‐derived
Co/C‐anchored
MoS
2
‐based
PCMs
using
high‐temperature
carbonation
flower‐like
grown
in
situ
by
ZIF67
vacuum
impregnation
paraffin.
The
resulting
@Co/C‐paraffin
composite
exhibited
good
storage
density,
cycling
stability,
long‐term
durability.
conductivity
was
44%
higher
than
that
pristine
paraffin
due
construction
low
interfacial
resistance.
More
attractively,
our
designed
also
possessed
−57.15
dB
minimum
reflection
loss
at
9.2
GHz
with
a
thickness
3.0
mm,
corresponding
effective
bandwidth
3.86
GHz.
excellent
attributed
multicomponent
synergy
magnetic
from
Co
nanoparticles
conductive
carbon
layers,
multiple
nanowrinkle,
along
impedance
matching.
This
study
provided
meaningful
reference
for
widespread
application
combining
high‐power
miniaturized
devices.
