Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 31, 2024
The
demand
for
temperature-robust
electromagnetic
wave
(EMW)
absorption
materials
is
escalating
due
to
the
varying
operational
temperatures
of
electronic
devices,
which
can
easily
soar
up
100
°C,
significantly
affecting
EMW
interference
management.
Traditional
absorbers
face
performance
degradation
across
broad
temperature
ranges
alterations
in
mobility
and
material
impedance.
This
study
presented
a
novel
approach
by
integrating
semiconductor
metal-organic
frameworks
(SC-MOFs)
with
paraffin
wax
(PW),
leveraging
precise
control
interlayer
spacing
SC-MOFs
electron
regulation
introduction
temperature-inert
properties.
synergistic
strategy
enhanced
dielectric
properties
impedance
matching
from
ambient
°C.
A
metamaterial
shell
layer,
designed
through
finite
element
simulation
fabricated
3D
printing,
encapsulated
composite,
resulting
broadband
absorber
an
11.81
GHz
effective
bandwidth
nearly
unchanged
peak
position
25-100
paves
way
advanced
management
capable
operating
reliably
extreme
environments.
ACS Applied Materials & Interfaces,
Journal Year:
2025,
Volume and Issue:
17(9), P. 14278 - 14290
Published: Feb. 21, 2025
Structural
design
constitutes
one
of
the
crucial
approaches
for
augmenting
wave-absorbing
capacity
electromagnetic
wave
(EMW)
absorbers,
and
incorporation
cavity
structures
represents
a
typical
methodology
therein.
In
this
work,
MoS2-coated
metal-organic
framework
(MOF)-derived
Hollow-MoS2@CNS@CoS2
composite
materials
(HCNSs)
were
prepared
by
combining
tannic
acid-protected
etching,
carbonization,
hydrothermal
methods.
Especially,
HCNS700,
which
possessed
both
hollow
structure
layered
heterogeneous
structure,
demonstrated
excellent
EMW
absorption
properties.
It
attained
an
optimal
reflection
loss
-63.63
dB
at
16.4
GHz
-58.97
10.4
GHz,
along
with
extremely
low
thickness.
addition,
radar
cross
section
simulation
that
HCNS700
stealth
capabilities.
Its
performance
is
put
down
to
multiple
mechanisms
brought
special
including
scattering
caused
interface
polarization
interfaces
MoS2,
CoS2,
carbon
matrix,
dipole
element
doping
defects,
optimization
impedance
matching
MoS2.
This
research
offers
novel
concept
EMW-absorbing
structures.
Nanomaterials,
Journal Year:
2025,
Volume and Issue:
15(7), P. 553 - 553
Published: April 4, 2025
The
widespread
use
of
electronic
devices
in
daily
life,
industry
and
military
has
led
to
a
large
amount
electromagnetic
pollution,
which
become
an
increasingly
serious
security
issue.
To
eliminate
or
mitigate
such
risks
hazards,
various
advanced
microwave
absorption
technologies
materials
have
been
reported.
As
new
type
absorber,
biomass-derived
carbon-based
received
extensive
attention.
They
the
characteristics
low
cost,
easy
preparation,
high
porosity
environmental
friendliness
while
retaining
advantageous
adjustable
dielectric
properties,
conductivity
good
stability
traditional
carbon
materials.
development
biomass
microwave-absorbing
not
only
provides
idea
for
solving
radiation
but
also
helps
create
environmentally
friendly
harmonious
environment.
Herein,
(MAMs)
including
plant
shells,
fibers
other
potential
are
generalized
discussed
their
preparation
technology,
microstructure
design
so
on.
two
critical
factors
affecting
impedance
matching
attenuation
characteristics,
analyzed
detail.
Finally,
confronting
challenges
future
prospects
biomass-based
pointed
out.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 25, 2024
The
design
and
development
of
high-quality
electromagnetic
waves
(EMW)
absorbing
materials
play
a
vital
role
in
combating
the
escalating
negative
effects
microwave
radiation
interference.
Herein,
MoS
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 31, 2024
The
demand
for
temperature-robust
electromagnetic
wave
(EMW)
absorption
materials
is
escalating
due
to
the
varying
operational
temperatures
of
electronic
devices,
which
can
easily
soar
up
100
°C,
significantly
affecting
EMW
interference
management.
Traditional
absorbers
face
performance
degradation
across
broad
temperature
ranges
alterations
in
mobility
and
material
impedance.
This
study
presented
a
novel
approach
by
integrating
semiconductor
metal-organic
frameworks
(SC-MOFs)
with
paraffin
wax
(PW),
leveraging
precise
control
interlayer
spacing
SC-MOFs
electron
regulation
introduction
temperature-inert
properties.
synergistic
strategy
enhanced
dielectric
properties
impedance
matching
from
ambient
°C.
A
metamaterial
shell
layer,
designed
through
finite
element
simulation
fabricated
3D
printing,
encapsulated
composite,
resulting
broadband
absorber
an
11.81
GHz
effective
bandwidth
nearly
unchanged
peak
position
25-100
paves
way
advanced
management
capable
operating
reliably
extreme
environments.
