Asymmetric Structural Design for Absorption‐Dominated Electromagnetic Interference Shielding Composites
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 28, 2025
Abstract
Excessive
electromagnetic
pollution
caused
by
waves
can
interfere
with
the
normal
use
of
electronic
devices
or
cause
unnecessary
damage
to
human
health.
Although
conductive
polymer
composites
(CPCs)
are
used
replace
traditional
metals
as
an
effective
strategy
for
managing
undesirable
waves,
CPCs
have
a
non‐negligible
trade‐off
in
enhancement
interference
(EMI)
shielding
effectiveness
and
absorption
coefficient
because
their
reflection‐dominated
EMI
mechanism.
Therefore,
alleviate
secondary
pollution,
absorption‐dominated
asymmetric
structures
urgently
needed.
Recently,
structural
designs
advanced
significantly,
but
seldom
been
summarized
discussed
detail.
Consequently,
this
review
first
systematically
summarizes
current
progress
after
brief
clarification
about
necessity
configuration
structure
design.
Afterward,
various
fiber,
layered,
porous,
composite
described.
Besides,
versatility
is
briefly
introduced.
Finally,
challenges
prospects
proposed
guide
future
advancement
field.
Язык: Английский
Recent Advances in Stimuli‐Responsive Materials for Electromagnetic Interference Shielding
Polymers for Advanced Technologies,
Год журнала:
2025,
Номер
36(2)
Опубликована: Фев. 1, 2025
ABSTRACT
The
increasing
proliferation
of
electronic
devices
and
advanced
communication
networks
has
resulted
in
heightened
electromagnetic
interference
(EMI),
posing
significant
challenges
both
technological
environmental
contexts.
Traditional
EMI
shielding
materials,
such
as
metals
composite
coatings,
offer
limited
adaptability
are
unable
to
meet
the
dynamic
demands
modern
systems.
Recent
advancements
have
introduced
smart
stimuli‐responsive
materials
for
shielding,
which
provide
real‐time
tunability,
thereby
addressing
limitations
conventional
static
solutions.
These
leverage
various
mechanisms—such
compressive
tensile
strains,
phase
transitions,
shape
memory
effects,
responses
chemical
agents,
humidity,
or
crossover
angle
changes—to
dynamically
adjust
their
effectiveness
(EMI‐SE).
This
review
provides
an
in‐depth
analysis
recent
progress
technologies,
highlighting
tunable
mechanisms,
material
compositions,
applications.
Furthermore,
it
discusses
existing
potential
future
research
directions
required
advancement
this
technology.
By
enabling
environments,
present
a
promising
solution
telecommunications,
wearable
electronics,
aerospace,
defense
sectors.
Язык: Английский