Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 12, 2024
Abstract
Freeze
casting
is
a
solidification
technique
utilized
in
the
fabrication
of
porous
materials.
However,
freeze
process
quite
complex,
and
significant
challenges
remain
precisely
controlling
pore
size
shape
structures.
This
study
aims
to
investigate
customization
multifunctional
electromagnetic
wave
(EMW)
absorbers
with
3D
structures
via
casting.
review
initially
presents
fundamental
principles
underlying
examines
correlation
between
internal
external
factors
during
preparation
porosity.
The
emerging
trends
constructing
novel
intricate
macroscopic
through
are
subsequently
outlined.
Furthermore,
this
focuses
on
composites
various
microstructures
low‐dimensional
building
blocks,
their
EMW
response
properties.
By
regulating
influencing
mechanisms
casting,
absorption
materials
exhibit
outstanding
advantages
such
as
property
manipulation,
controllable
structure,
high
porosity,
specific
surface
area,
lightweight,
flexibility.
These
features
broaden
applications
shielding,
mechanical
property,
radar
stealth,
thermal
insulation
fire
prevention,
flexible
sensors,
antifreeze
ability,
etc.
In
addition,
we
discuss
prospects
high‐performance
using
techniques.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(6), P. 5761 - 5775
Published: March 1, 2024
Molybdenum
disulfide
(MoS2),
as
a
two-dimensional
material,
has
potential
application
prospect
in
microwave
absorption,
electromagnetic
shielding,
energy
storage,
electrochemistry,
and
other
fields
due
to
its
unique
structure,
excellent
electrical
conductivity,
abundant
surface
area,
good
mechanical
strength.
In
this
paper,
the
absorbing
properties
of
MoS2-based
composites
are
reviewed
objectively,
recent
research
achievements
progress
dielectric
loss
type
magnetic
summarized.
Then,
absorption
mechanism
is
systematically
analyzed
terms
loss.
At
same
time,
materials
current
social
needs
summarized
including
military
radar
stealth
civil
electronic
communication.
addition,
challenges
bottlenecks
future
development
absorber
also
presented.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(9), P. 10860 - 10869
Published: April 25, 2024
Designing
an
absorber
to
mitigate
the
electromagnetic
radiation
pollution
caused
by
rapid
development
of
radio
technology
with
multiple
characteristics,
including
high
reflection
loss
(RL),
broad
absorption
bandwidth,
thinness,
and
low
filling
ratio,
is
crucial
but
challenging.
This
work
prepared
three-dimensional
heterogeneous
MXene/Ni
composites
using
electrostatic
self-assembly
method.
Due
synergistic
effect
dielectric
loss,
magnetic
unique
structure,
obtained
multilayer
composites,
a
ratio
15
wt
%
thickness
only
1.5
mm,
achieved
astonishing
minimum
RL
value
−79.6
dB
effective
bandwidth
(EAB)
3.35
GHz.
Furthermore,
ultrawide
tunable
EAB
12.35
GHz
could
be
in
frequency
range
3.30–15.65
adjusting
matching
samples.
design
interface
structure
provides
practical
strategy
develop
high-performance
next-generation
absorbers.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 12, 2024
Abstract
Freeze
casting
is
a
solidification
technique
utilized
in
the
fabrication
of
porous
materials.
However,
freeze
process
quite
complex,
and
significant
challenges
remain
precisely
controlling
pore
size
shape
structures.
This
study
aims
to
investigate
customization
multifunctional
electromagnetic
wave
(EMW)
absorbers
with
3D
structures
via
casting.
review
initially
presents
fundamental
principles
underlying
examines
correlation
between
internal
external
factors
during
preparation
porosity.
The
emerging
trends
constructing
novel
intricate
macroscopic
through
are
subsequently
outlined.
Furthermore,
this
focuses
on
composites
various
microstructures
low‐dimensional
building
blocks,
their
EMW
response
properties.
By
regulating
influencing
mechanisms
casting,
absorption
materials
exhibit
outstanding
advantages
such
as
property
manipulation,
controllable
structure,
high
porosity,
specific
surface
area,
lightweight,
flexibility.
These
features
broaden
applications
shielding,
mechanical
property,
radar
stealth,
thermal
insulation
fire
prevention,
flexible
sensors,
antifreeze
ability,
etc.
In
addition,
we
discuss
prospects
high‐performance
using
techniques.
