Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Фев. 2, 2024
High-performance
microwave
absorption
(MA)
materials
must
be
studied
immediately
since
electromagnetic
pollution
has
become
a
problem
that
cannot
disregarded.
A
straightforward
composite
material,
comprising
hollow
MXene
spheres
loaded
with
C-Co
frameworks,
was
prepared
to
develop
multiwalled
carbon
nanotubes
(MWCNTs).
high
impedance
and
suitable
morphology
were
guaranteed
by
the
exoskeleton,
attenuation
ability
provided
MWCNTs
endoskeleton,
material
performance
greatly
enhanced
layered
core-shell
structure.
When
thickness
only
2.04
mm,
effective
bandwidth
5.67
GHz,
minimum
reflection
loss
(RL
Advanced Functional Materials,
Год журнала:
2022,
Номер
32(42)
Опубликована: Июль 1, 2022
Abstract
Electromagnetic
(EM)
functional
materials
play
an
increasingly
important
role
in
solving
EM
wave
pollution
both
modern
military
and
civil
fields.
Graphene‐based
are
the
most
promising
candidates
applications
of
shielding
absorption
owing
to
their
remarkable
structures
enhanced
properties.
Designing
graphene‐based
with
elaborately
controlled
microstructures
optimized
properties
can
effectively
improve
energy
attenuation
conversion.
Herein,
study
begins
mechanism,
multiscale
design
strategies
outlined,
including
molecular‐scale,
micro/nanoscale
structure,
macroscale
integration
assembly
strategies.
Applications
fields
reviewed,
focusing
on
latest
advances
assemblies
such
as
films,
fabrics,
composites.
Finally,
current
challenges
future
directions
this
fast‐growing
field
predicted.
Nano-Micro Letters,
Год журнала:
2022,
Номер
14(1)
Опубликована: Фев. 23, 2022
Silver
nanowire
(Ag
NW)
has
been
considered
as
the
promising
building
block
for
fabrication
of
transparent
electromagnetic
interference
(EMI)
shielding
films.
However,
practical
application
Ag
NW-based
EMI
films
restricted
due
to
unsatisfactory
stability
NW.
Herein,
we
proposed
a
reduced
graphene
oxide
(rGO)
decorated
NW
film,
which
realizes
seamless
integration
optical
transparency,
highly
efficient
shielding,
reliable
durability
and
stability.
The
constructs
conductive
network,
rGO
provides
additional
path,
showing
superior
effectiveness
(SE)
33.62
dB
at
transmittance
81.9%.
In
addition,
top
layer
enables
hybrid
film
with
chemical
stability,
can
maintain
96%
90%
SE
after
1000
times
bending
cycles
radius
2
mm
exposure
in
air
80
days.
Furthermore,
rGO/Ag
also
possess
fast
thermal
response
heating
making
them
applicable
wearable
devices.
synergy
grants
multiple
desired
functions
meanwhile
overcomes
shortcomings
This
work
reference
preparing
multifunctional
integrated
film.
Green Chemistry,
Год журнала:
2022,
Номер
24(13), С. 5280 - 5290
Опубликована: Янв. 1, 2022
In
the
face
of
increasingly
severe
electromagnetic
wave
pollution,
research
biomass-based
carbon
materials
due
to
advantages
being
green,
renewable,
environment-friendly,
porous
and
light
has
become
one
most
attractive
topics.
Nano-Micro Letters,
Год журнала:
2022,
Номер
14(1)
Опубликована: Июль 5, 2022
Electromagnetic
cooperative
strategy
has
been
presented
as
a
mainstream
approach
that
can
effectively
optimize
the
matching
thickness
of
dielectric
loss
dominant
system.
However,
it
is
still
challenging
for
dielectric-magnetic
coexisting-type
absorber
to
develop
electromagnetic
wave
(EMW)
performance
with
ultra-low
(≤
1
mm).
Breaking
limitation
traditional
response
at
microscopic/mesoscopic
scale,
ficus
microcarpa-like
magnetic
aerogel
macroscopical
effect
was
fabricated
through
highly
oriented
self-assembly
engineering.
The
Ni
chains
unique
macroscopic
morphology
(~
cm
in
length)
were
achieved
via
special
field-induced
growth.
Strong
coupling
observed
confirmed
by
micromagnetic
simulation.
deductive
calculation
validates
maintaining
high
value
parameters
frequencies
prerequisites
ultrathin
absorber.
networks
uninterrupted
and
dual
pathways
spread
entire
skeleton,
resulting
impressive
permittivity
even
frequencies.
Consequently,
exhibits
remarkable
EMW
an
mm.
Thus,
based
on
modulation
parameters,
this
work
proposed
ordered
structure
useful
suitable
achieving
absorbers.
