Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Sept. 27, 2024
Abstract
Currently,
the
demand
for
electromagnetic
wave
(EMW)
absorbing
materials
with
specific
functions
and
capable
of
withstanding
harsh
environments
is
becoming
increasingly
urgent.
Multi-component
interface
engineering
considered
an
effective
means
to
achieve
high-efficiency
EMW
absorption.
However,
modulation
has
not
been
fully
discussed
great
potential
in
field
In
this
study,
multi-component
tin
compound
fiber
composites
based
on
carbon
(CF)
substrate
were
prepared
by
electrospinning,
hydrothermal
synthesis,
high-temperature
thermal
reduction.
By
utilizing
different
properties
substances,
rich
heterogeneous
interfaces
are
constructed.
This
effectively
promotes
charge
transfer
enhances
interfacial
polarization
conduction
loss.
The
SnS/SnS
2
/SnO
/CF
abundant
have
exhibit
excellent
absorption
at
a
loading
50
wt%
epoxy
resin.
minimum
reflection
loss
(RL)
−
46.74
dB
maximum
bandwidth
5.28
GHz.
Moreover,
composite
coatings
exhibited
long-term
corrosion
resistance
Q235
steel
surfaces.
Therefore,
study
provides
strategy
design
complex
environments.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 16, 2025
Abstract
Multifunctional
materials
that
muster
electromagnetic
waves
absorption
(EMA)
and
thermal
conduction
features
are
highly
desirable
in
electronic
packaging
of
advanced
electronics.
However,
traditional
carbon‐based
ceramic‐based
often
rely
on
semiempirical
rules
when
preparing
these
bifunctional
composites
because
incompatibility
between
dielectric
behavior
conductivity.
Herein,
two
(SiC@RGO/EP
(SCGE)
Si
3
N
4
@RGO/EP
(SNGE))
with
different
obtained
by
assembling
1D
ceramics
whiskers
2D
graphene
sheets
to
construct
3D
porous
skeleton
followed
epoxy
(EP)
encapsulation
understand
this
underlying
relationship.
Since
semiconductor‐type
silicon
carbide
(SiC)
enhance
the
conductivity
response
material,
thereby
significantly
intensifying
loss,
SCGE
material
harvests
remarkable
minimal
reflection
loss
values
(RL
min
)
−85.92
dB
at
2.07
mm,
which
outperform
reported
SiC‐based
EMA
so
far.
Whereas
SNGE
prepared
introducing
insulator
nitride
(Si
only
delivers
(0.86
W
m
−1
K
close
(0.93
),
but
performance
is
dramatically
reduced
RL
−19.88
5
mm.
The
finding
work
offers
new
insights
for
modulating
ceramic
achieve
integration
functions.
Advanced Composites and Hybrid Materials,
Journal Year:
2025,
Volume and Issue:
8(1)
Published: Feb. 1, 2025
Abstract
The
explode
development
of
global
automation
and
digitization
brings
increasing
electromagnetic
radiation,
threatening
information
security
health.
Biomass
wave-absorbing
materials
stand
out
among
massive
absorbers
due
to
their
green
environmentally
friendly
features,
yet
remains
severe
challenge
in
equilibration
between
impedance
matching
efficient
loss
ability.
Herein,
this
work
innovatively
used
waste
bark
which
amounts
up
400
million
cubic
meters
generated
from
forest
as
carbon
precursor.
FeCo@C
nanocomposites
derived
FeCo-MOF
precursor
are
introduced
on
the
surface
bark-derived
pore
using
vacuum
impregnation
carbonization
methods,
tree
porous
(TPC)/FeCo@C
composites
successfully
fabricated.
unique
hierarchical
structure
composed
three-dimensional
(3D)
parallel
yolk-shell
favors
optimizing
prolonging
attenuation
paths
microwaves.
Additionally,
introduction
can
promote
interface
polarization
loss,
well
enhance
synergistic
effects
dielectric-magnetic
losses.
Multiple
structural
coupling
endow
TPC/FeCo@C
composite
attractive
absorbing
optimized
TPC/FeCo@C-5
exhibits
a
minimum
reflection
(RL
min
)
−
61.04
dB
effective
bandwidth
(EAB)
7.25
GHz
at
thickness
2.64
mm,
is
superior
most
biomass-based
absorbers.
Apparently,
presents
valuable
concept
for
secondary
utilization
discarded
domain
microwave
absorption,
significant
achieving
energy
saving
environmental
protection
addressing
pollution.
Advanced Electronic Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 18, 2024
Abstract
The
development
of
novel
materials
with
high‐efficiency
microwave
absorption
is
crucial
for
mitigating
the
adverse
impacts
electromagnetic
pollution.
In
this
study,
MXene
and
FeNi
Prussian
blue
analogs
(PBA)
are
assembled
onto
a
melamine
foam
using
self‐assembly
in
situ
growth
technique.
Subsequently,
magnetic
carbon
foam,
comprising
alloys,
TiN
various
morphologies,
synthesized
via
carbothermal
reduction
reaction.
surface
morphology
properties
significantly
influenced
by
pyrolysis
temperature.
results
revealed
that
composite
demonstrated
an
effective
bandwidth
4.72
GHz
at
thickness
only
1.5
mm,
minimum
reflection
loss
−24.83
dB
1.3
mm.
outstanding
performance
can
be
attributed
to
3D
conductive
network
formed
N‐doped
carbon,
as
well
contributions
from
polarization
loss,
suitable
impedance
matching.
Furthermore,
corresponding
absorber
coating
maximum
value
radar
cross‐section
(RCS)
13.16
m
2
.
This
research
offers
insights
lightweight
efficient
low‐filled
broadband
absorption.
Small Methods,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 28, 2025
Abstract
With
the
advent
of
5G
era,
there
has
been
a
marked
increase
in
research
interest
concerning
electromagnetic
wave‐absorbing
materials.
A
critical
challenge
remains
improving
properties
these
materials
while
satisfying
diverse
application
demands.
MXenes,
identified
as
prominent
“emerging”
2D
for
wave
absorption,
offer
unique
advantages
that
are
expected
to
drive
advancements
and
innovations
this
field.
This
review
emphasizes
synthesis
benefits
provided
by
structural
characteristics
MXenes
performance
enhancements
achieved
through
their
combination
with
other
absorbing
Material
requirements,
approaches,
conceptual
frameworks
integrated
underscore
advantages.
The
study
provides
thorough
analysis
MXene‐absorbing
composites,
going
beyond
basic
classification
address
preparation
modification
processes
affecting
absorption
composites.
Attention
is
directed
techniques,
design
principles,
influence
on
composite
performance.
Additionally,
potential
applications
devices
summarized.
concludes
addressing
challenges
currently
confronting
MXene
outlining
developmental
trends,
aiming
guidance
subsequent
domain.
