Nano-Micro Letters,
Год журнала:
2025,
Номер
17(1)
Опубликована: Фев. 6, 2025
Abstract
Herein,
a
novel
Janus-structured
multifunctional
membrane
with
integrated
electromagnetic
interference
(EMI)
shielding
and
personalized
thermal
management
is
fabricated
using
shear-induced
in
situ
fibrillation
vacuum-assisted
filtration.
Interestingly,
within
the
polytetrafluoroethylene
(PTFE)-carbon
nanotube
(CNT)-Fe
3
O
4
layer
(FCFe),
CNT
nanofibers
interweave
PTFE
fibers
to
form
stable
“silk-like”
structure
that
effectively
captures
Fe
particles.
By
incorporating
highly
conductive
MXene
layer,
FCFe/MXene
(FCFe/M)
exhibits
excellent
electrical/thermal
conductivity,
mechanical
properties,
flame
retardancy.
Impressively,
benefiting
from
rational
regulation
of
component
proportions
design
Janus
structure,
FCFe/M
thickness
only
84.9
µm
delivers
outstanding
EMI
effectiveness
44.56
dB
X-band,
normalized
specific
SE
reaching
10,421.3
cm
2
g
−1
,
which
attributed
“absorption-reflection-reabsorption”
mechanism.
Furthermore,
demonstrates
low-voltage-driven
Joule
heating
fast-response
photothermal
performance.
Under
stimulation
V
voltage
an
optical
power
density
320
mW
−2
surface
temperatures
membranes
can
reach
up
140.4
145.7
°C,
respectively.
In
brief,
anti-electromagnetic
radiation
temperature
attractive
candidate
for
next
generation
wearable
electronics,
compatibility,
visual
heating,
thermotherapy,
military
aerospace
applications.
Nano-Micro Letters,
Год журнала:
2023,
Номер
16(1)
Опубликована: Ноя. 23, 2023
The
utilization
of
eco-friendly,
lightweight,
high-efficiency
and
high-absorbing
electromagnetic
interference
(EMI)
shielding
composites
is
imperative
in
light
the
worldwide
promotion
sustainable
manufacturing.
In
this
work,
magnetic
poly
(butyleneadipate-co-terephthalate)
(PBAT)
microspheres
were
firstly
synthesized
via
phase
separation
method,
then
PBAT
composite
foams
with
layered
structure
was
constructed
through
supercritical
carbon
dioxide
foaming
scraping
techniques.
merits
integrating
ferroferric
oxide-loaded
multi-walled
nanotubes
(Fe
Abstract
The
excellent
performance
of
electromagnetic
wave
absorbers
primarily
depends
on
the
coordination
among
components
and
rational
design
structure.
In
this
study,
a
series
porous
fibers
with
carbon
nanotubes
uniformly
distributed
in
shape
pine
leaves
are
prepared
through
electrospinning
technique,
one‐pot
hydrothermal
synthesis,
high‐temperature
catalysis
method.
impedance
matching
nanofibers
structure
is
optimized
by
incorporating
melamine
into
spinning
solution,
as
it
undergoes
gas
decomposition
during
calcination.
Moreover,
electronic
can
be
modulated
controlling
NH
4
F
content
synthesis
process.
Ultimately,
Ni/Co/CrN/CNTs‐CF
specimen
(P3C
NiCrN12)
exhibited
superior
performance,
while
achieving
minimum
reflection
loss
(RL
min
)
−56.18
dB
at
thickness
2.2
mm
maximum
absorption
bandwidth
(EAB
max
5.76
GHz
2.1
mm.
This
study
presents
an
innovative
approach
to
fabricating
lightweight,
thin
materials
exceptional
properties
wide
optimizing
three
key
factors
influencing
performance.
