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.
Advanced Powder Materials,
Journal Year:
2024,
Volume and Issue:
3(3), P. 100180 - 100180
Published: Jan. 26, 2024
Plasma
as
the
fourth
state
of
matter
has
attracted
great
attention
for
material
surface
modification,
which
could
induce
changes
in
microscopic
factors,
such
defects,
phase
transitions,
crystallinity,
and
so
on.
However,
interactions
among
those
factors
regulation
mechanism
macroscopic
properties
have
rarely
been
investigated.
Two-dimensional
(2D)
transition
metal
dichalcogenide
with
tunable
structure
is
one
most
promising
electromagnetic
wave
(EMW)
absorbers,
provides
a
favorable
platform
systematically
studying
dynamic
coupling
its
factors.
Herein,
we
constructed
NaBH4
solution-assisted
Ar
plasma
method
to
modify
2H–MoS2
1T-WS2
exploring
For
MoS2
WS2,
treatment
behaves
different
effects
on
dielectric
responses,
realizing
collaboratively
promote
EM
losses
coupling.
Consequently,
MS-D3-0.5
(MoS2,
3
kV
voltage,
0.5
mol
L−1
solution)
displays
an
optimum
effective
absorption
bandwidth
8.01
GHz,
319.4
%
more
than
that
MS-raw
sample.
This
study
not
only
reveals
novel
induced
EMW
dissipation,
but
also
presents
new
plasma-dominated
modification
optimize
performance.
Small,
Journal Year:
2023,
Volume and Issue:
19(46)
Published: July 16, 2023
Abstract
Heterointerface
engineering
for
different
identifiable
length
scales
has
emerged
as
a
key
research
area
obtaining
materials
capable
of
high‐performance
electromagnetic
wave
absorption;
however,
achieving
controllable
architectural
and
compositional
complexity
in
nanomaterials
with
environmental
thermal
stabilities
remains
challenging.
Herein,
metal‐containing
silicon
carbonitride
(SiCN/M)
nanocomposite
ceramics
multiphase
heterointerfaces
were
situ
synthesized
via
coordination
crosslinking,
catalytic
graphitization,
phase
separation
processes
using
trace
amounts
metal–organic
frameworks
(MOFs).
The
results
reveal
that
the
regulation
dielectric
genes
by
MOFs
can
yield
considerable
lattice
strain
abundant
defects,
contributing
to
strong
interfacial
dipole
polarizations.
as‐prepared
SiCN/M
demonstrate
excellent
microwave
absorption
performance:
minimum
reflection
loss
(RL
min
)
is
−72.6
dB
at
thickness
only
1.5
mm
−54.1
an
ultralow
frequency
3.56
GHz
SiCN/Fe
RL
−55.1
broad
bandwidth
3.4
1.2
SiCN/CoFe
ceramic.
are
expected
provide
guidance
design
future
based
on
heterointerface
while
offering
paradigm
developing
MOF‐modified
SiCN
desirable
properties.
Carbon,
Journal Year:
2024,
Volume and Issue:
227, P. 119244 - 119244
Published: May 13, 2024
Electromagnetic
waves
constitute
an
essential
element
of
societal
progress,
and
the
environmental
impact
resulting
from
using
electromagnetic
warrants
significant
considerations.
Carbon
materials
have
garnered
considerable
attention
in
functional
domain
owing
to
their
remarkable
electrical
conductivity
dielectric
characteristics.
Notably,
spherical
carbon
materials,
characterized
by
substantial
specific
surface
area
tunable
properties,
emerged
as
efficient
additives
for
microwave
absorbers.
These
excel
absorbing
energy
while
minimizing
dissipation.
When
incorporated
into
absorbers
varying
compositions,
sizes,
morphologies,
these
spheres
facilitate
synergistic
operation
multiple
loss
mechanisms,
containing
conductive
loss,
magnetic
polarization
loss.
This
concerted
action
significantly
enhances
wave
absorption
performance.
paper
offers
a
comprehensive
review
advancements
sphere-based
designed
waves.
It
also
furnishes
intricate
exposition
methodologies
employed
preparation
meticulous
analysis
The
summarizes
microstructural
attributes
mechanisms
governing
various
sphere
configurations,
considering
factors
such
composition,
morphology,
size,
structure.
In
conclusion,
this
study
forecasts
potentials
nanomaterials
realm
waves,
along
with
assessment
forthcoming
research
focal
points
conceivable
challenges.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(44)
Published: May 22, 2024
Abstract
Metal
single‐atoms
implanted
on
nitrogen‐doped
carbon
matrices
(M‐N
x
Cs)
can
effectively
adjust
local
surface
electrons
and
polarization
relaxation
through
coordination
structures
to
significantly
enhance
the
electromagnetic
wave
(EMW)
absorption
properties
of
materials.
However,
precise
construction
geometric
electronic
metal
single
atoms
discovery
structure‐absorption
relationship
at
atomic
level
confront
a
huge
challenge.
Herein,
this
work
summarizes
latest
progress
in
single‐atom
engineering
EMW
absorbing
materials
via
comprehensive
analysis
M‐N
Cs
terms
design
principles,
modulation
strategies,
structure‐performance
correlations.
Subsequently,
it
highlights
recent
several
typical
as
materials,
aiming
achieve
complete
understanding
physical
effects
atomic‐level
mechanisms.
Finally,
current
key
challenge
future
directions
are
presented
by
focusing
functional
This
provides
new
insights
for
development
atomically
dispersed
efficient
response
functionalities.
Dalton Transactions,
Journal Year:
2024,
Volume and Issue:
53(9), P. 4222 - 4236
Published: Jan. 1, 2024
A
promising
pathway
to
design
multifunctional
and
practical
microwave
absorbing/shielding
materials
promote
their
optical,
magnetic,
hyperthermia,
other
properties
via
facile
affordable
methods.