Advanced Materials Technologies,
Journal Year:
2024,
Volume and Issue:
9(10)
Published: March 18, 2024
Abstract
Simulation
and
experimental
studies
are
carried
out
on
single‐layer
double‐layer
embedded
metal
meshes
(SLEMM
DLEMM)
to
assess
their
performance
as
transparent
electromagnetic
interference
(EMI)
shielding.
The
structures
consist
of
silver
in
polyethylene
terephthalate
(PET).
As
a
electrode,
SLEMMs
exhibit
transparency
82.7%
sheet
resistance
0.61
Ωsq
−1
well
91.0%
1.49
.
This
corresponds
figures
merit
3101
2620,
respectively.
achieve
48.0
dB
EMI
shielding
efficiency
(SE)
the
frequency
range
8–18
GHz
(X‐
Ku‐bands)
with
91%
visible
transmission
56.2
SE
transmission.
Samples
stable
after
1000
bending
cycles
radius
curvature
4
mm
60
tape
test
cycles.
DLEMMs
fabricating
SLEMM
opposite
sides
substrate
where
distance
can
be
varied
using
spacer.
Simulations
performed
investigate
how
varying
spacer
between
two
layers
influences
SE.
fabricated
achieved
an
77.7
81.7%
may
have
wide
variety
applications
aerospace,
medical,
military
applications.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(24)
Published: March 12, 2024
Abstract
Modern
human
civilization
deeply
relies
on
the
rapid
advancement
of
cutting‐edge
electronic
systems
that
have
revolutionized
communication,
education,
aviation,
and
entertainment.
However,
electromagnetic
interference
(EMI)
generated
by
digital
poses
a
significant
threat
to
society,
potentially
leading
future
crisis.
While
numerous
efforts
are
made
develop
nanotechnological
shielding
mitigate
detrimental
effects
EMI,
there
is
limited
focus
creating
absorption‐dominant
solutions.
Achieving
EMI
shields
requires
careful
structural
design
engineering,
starting
from
smallest
components
considering
most
effective
wave
attenuating
factors.
This
review
offers
comprehensive
overview
structures,
emphasizing
critical
elements
design,
mechanisms,
limitations
both
traditional
shields,
common
misconceptions
about
foundational
principles
science.
systematic
serves
as
scientific
guide
for
designing
structures
prioritize
absorption,
highlighting
an
often‐overlooked
aspect
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(35), P. 41906 - 41915
Published: Aug. 23, 2023
With
the
rapid
development
of
electronic
information
technology,
composite
materials
with
outstanding
performance
in
terms
electromagnetic
interference
(EMI)
shielding
and
strain
sensing
are
crucial
for
next-generation
smart
wearable
devices.
However,
fabrication
flexible
films
dual
functionality
remains
a
significant
challenge.
Herein,
multifunctional
exciting
EMI
properties
were
constructed
using
facile
vacuum-assisted
filtration
process
transfer
method.
The
consisted
ultrathin
AgNW/MXene
(Ti3C2Tx)/AgNW
conductive
networks
(1
μm)
attached
to
polydimethylsiloxane
(PDMS)
substrate.
obtained
AgNW/MXene/PDMS
film
exhibited
an
exceptional
effectiveness
50.82
dB
good
flexibility
(retaining
93.67
90.18%
its
original
value
after
1000
bending
stretching
cycles,
respectively),
which
attributed
enhanced
multilayer
internal
reflection
network
created
by
AgNWs
MXene
as
well
synergistic
effect
PDMS.
Besides
shielding,
also
displayed
remarkable
properties.
They
wide
linear
range
tensile
up
68%
gauge
factor
468.
showed
fast
response,
ultralow
detection
limit,
high
mechanical
stability.
Interestingly,
could
detect
motion
voice
recognition,
demonstrating
their
potential
sensors.
This
study
highlights
resisting
radiation
monitoring
human
motion,
thereby
providing
promising
solution
devices
complex
environments.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(15), P. 5628 - 5628
Published: July 25, 2023
The
rapid
advancement
of
electronic
communication
technology
has
greatly
aided
human
productivity
and
quality
life,
but
it
also
resulted
in
significant
electromagnetic
pollution
issues.
Traditional
metals
alloys
are
often
used
for
interference
(EMI)
shielding
due
to
their
excellent
electrical
conductivity.
However,
they
have
drawbacks
such
as
being
heavy,
expensive,
having
low
corrosion
resistance,
which
limits
application
shielding.
Therefore,
is
crucial
develop
novel
EMI
materials.
Polymers,
highly
flexible,
corrosion-resistant,
possessing
high
specific
strength,
frequently
employed
In
this
review,
we
firstly
introduce
the
basic
theory
Then,
outline
processing
methods
recent
developments
polymer-based
composites,
including
uniform-,
foam-,
layered-,
segregated
structures.
Lastly,
present
challenges
prospects
field,
aiming
provide
direction
inspiration
study
composite
Polymer Composites,
Journal Year:
2023,
Volume and Issue:
45(1), P. 43 - 76
Published: Sept. 22, 2023
Abstract
The
proliferation
of
electronic
devices
and
wireless
communication
in
our
daily
lives
has
led
to
a
significant
increase
electromagnetic
pollution.
This
issue
poses
serious
threat
the
proper
functioning
equipment
as
well
human
health.
Therefore,
investigation
materials
with
superior
interference
(EMI)
shielding
capabilities
garnered
growing
interest.
In
this
paper,
mechanisms
EMI
were
first
introduced
briefly.
It
was
noted
that
development
advanced
involved
adhering
principles
such
minimizing
reflection
loss,
enhancing
absorption
incorporating
multiple
internal
reflections.
construction
properties
traditional
introduced.
Unlike
metal
high
densities
lightweight
conductive
polymer
composites
(CPCs)
have
been
most
promising
materials.
Meanwhile,
carbon‐based
nanofillers
carbon
nanotubes
graphene
nanosheets,
along
two‐dimensional
transition
carbonitrides
MXenes
Ti
3
C
2
T
x
,
emerged
versatile
for
CPCs.
performance
loss
mechanism
CPCs
homogeneous
structure,
segregated
laminated
porous
structure
detail.
could
be
significantly
improved
by
structures
into
same
CPCs,
rational
combination
structures.
Finally,
challenges
trends
applications
discussed.
Highlights
Mechanisms
from
aspect
energy
dissipation.
Structure–property
described.
different
summarized.
Future
Absorption‐dominated
design
emphasized.
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 Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(31), P. 41596 - 41615
Published: July 27, 2024
MXene
emerges
as
a
premier
candidate
for
electromagnetic
shielding
owing
to
its
unique
properties
novel
two-dimensional
material.
Its
exceptional
electrical
conductivity,
chemical
reactivity,
surface
tunability,
and
facile
processing
render
it
highly
suitable
diverse
applications.
The
research
status
of
MXene-based
materials
is
systematically
discussed
in
this
paper.
First,
the
single-component
material
briefly
introduced.
Subsequently,
composite
structures
constructed
by
with
polymers,
carbon
derivatives,
ferrites
introduced
detail.
Furthermore,
progress
ternary
quaternary
further
focused.
Finally,
application
prospected.
A
deeper
understanding
MXene's
facilitated
paper,
providing
direction
future
development
design
materials.