Bioinspired Disordered Aerogel for Omnidirectional Terahertz Response
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 31, 2025
The
structural
disorder
of
the
black
butterfly
assists
in
capturing
sunlight
across
a
wider
spectral
and
angular
range,
injecting
infinite
vitality
for
omnidirectional
stimuli-responsive
wave-absorbing
materials.
Here,
disordered
micro-pores
responding
to
terahertz
(THz)
waves
through
electromagnetic
simulations,
then
prepared
via
ice
templating
technology
are
analyzed
optimized.
customized
aerogel
makes
possible
perfect
response
property
with
incidence-angle-insensitive
ultra-broadband.
Ti3C2Tx
MXene/carboxymethyl
cellulose
aerogels
realize
excellent
shielding
effectiveness
exceeding
70.32
dB
reflection
loss
more
than
43.02
over
frequency
range
0.3-1.5
THz.
Tailoring
orientation
anisotropic
functions
as
versatile
dynamic
modulation
approach
along
propagation
direction.
porous
structure
moderate
conductivity
gradually
triggers
resonance
effect
cavity,
approximating
sphere
(pore)
waveguide
system
(tube).
Ultimately,
gradient
impedance
is
proposed
integrating
THz-infrared
stealth,
hydrophobicity,
mechanical
strength.
This
inspired
biomimetic
strategy
will
also
enable
various
applications
such
imaging,
line-of-sight
telecommunication,
information
encryption,
space
exploration.
Язык: Английский
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
Ultra-thin Compatible Stealth Metacoating: Graded Control of Radar and Infrared Waves under Long-term High Temperatures
Composites Part B Engineering,
Год журнала:
2025,
Номер
unknown, С. 112295 - 112295
Опубликована: Фев. 1, 2025
Язык: Английский
Copper Conductive Ink-Based Pearl Biomimetic Structure for Personal Thermal Management Fabrics
ACS Applied Nano Materials,
Год журнала:
2025,
Номер
8(4), С. 1873 - 1881
Опубликована: Янв. 16, 2025
Ink
printing
can
be
considered
a
desirable
production
method
for
mass
manufacturing
inexpensive
electronic
textiles.
Copper
nanowires
(CuNWs)
have
attracted
enormous
attention
due
to
preponderant
electric
conductivity,
mechanical
properties,
and
large
abundance
in
recent
years.
Unfortunately,
low
dispersibility,
poor
binding,
incompatibility
of
CuNWs
greatly
limit
their
development
conductive
inks.
Herein,
green
CuNW
ink
with
high
conductivity
durability
was
reported,
which
couples
tannic-polyethylenimine
(TA-PEI)
modified
(TA-PEI@CuNW)
heterostructure
as
"brick"
carboxymethyl
cellulose
(CMC)
acting
"mortar"
inspired
by
the
"brick–mortar"
structure
pearls.
The
exhibits
splendid
adhesion
strength
on
textiles,
attributed
abundant
hydrogen
bonding
sites
between
CMC
TA-PEI@CuNWs.
obtained
printed
fabric
also
shows
superb
(sheet
resistance
Ra
=
3.33
Ω·sq–1)
bending
(withstanding
1500
cycles).
Furthermore,
presented
exceptional
application
potential
Joule
heating
(112.8
°C
at
1.5
V
voltage)
electromagnetic
shielding
(shielding
efficiency
SET
50.488
dB).
We
think
that
may
provide
insight
into
personal
thermal
management
fabrics.
Язык: Английский
Flexible multifunctional MXene@Carbon nano tube (CNTs)/Cotton fabric inspired by tentacles of caterpillar for electromagnetic shielding, pressure sensing and solar heating
Journal of Industrial and Engineering Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Язык: Английский
Recent Progress on 2D‐Material‐Based Smart Textiles: Materials, Methods, and Multifunctionality
Advanced Engineering Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 9, 2025
Smart
textiles
integrated
with
2D
materials
are
revolutionizing
the
field
of
wearable
technologies
by
providing
advanced
functionalities
that
extend
far
beyond
those
traditional
fabrics.
This
review
comprehensively
explores
cutting‐edge
materials,
such
as
graphene
derivatives,
MXenes,
and
transition‐metal
dichalcogenides,
highlights
their
unique
electrical,
mechanical,
thermal
properties.
The
sophisticated
methods
which
these
embedded
into
textiles,
including
coating,
deposition,
3D
printing,
spinning,
other
approaches,
thoroughly
discussed.
is
followed
an
overview
applications
smart
energy
harvesting,
environmental
human
health
monitoring,
storage,
electromagnetic‐interference
shielding,
management,
each
contribute
to
multifaceted
capabilities
modern
wearables.
Finally,
emphasizes
shift
toward
multifunctionality,
through
increasingly
configured
perform
multiple
roles
simultaneously,
thereby
enhancing
both
utility
efficiency
textiles.
By
offering
a
detailed
account
current
achievements
potential
advancements
in
this
underscores
pivotal
role
crafting
next‐generation
wearables
for
healthcare,
sports,
beyond.
Язык: Английский
High-Performance MXene/Polyaniline-Coated Cotton Fabrics: Advanced Joule Heating Wearable Heaters with Strain Sensing Capability
Sensors and Actuators A Physical,
Год журнала:
2025,
Номер
unknown, С. 116523 - 116523
Опубликована: Март 1, 2025
Язык: Английский
Electro-Responsive Thermochromic and Mechanically Enhanced CNT Yarns through Solution Blow Spinning Encapsulation
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 18, 2025
Carbon
nanotube
(CNT)
yarns
combine
textile
adaptability,
conductivity,
and
electrothermal
functionality,
positioning
them
as
a
key
material
for
advancing
flexible
smart
fabrics,
particularly
in
applications.
However,
their
widespread
use
is
hindered
by
safety
concerns
related
to
exposed
CNT
acting
electrical
heating
elements
intrinsic
black
color,
which
limits
aesthetic
flexibility
design.
Therefore,
encapsulation
of
CNTs
essential
unlocking
full
industrial
potential.
This
study
demonstrates
the
successful
application
solution
blow
spinning
(SBS)
technology
encapsulating
yarns,
emphasizing
its
scalability
efficiency
producing
flexible,
electro-responsive
conductive
with
significantly
enhanced
mechanical
properties.
Various
polymers,
including
ultrahigh
molecular
weight
polyethylene
(UHMWPE),
polylactic
acid
(PLA),
polyacrylonitrile
(PAN),
polyvinylidene
fluoride
(PVDF),
are
explored
reducing
risk
exposure
providing
tunable
color
options
effectively
covering
yarns'
blackness.
SBS
also
enhances
yarn
performance
durability.
Among
them,
C-PE
(CNT
core
UHMWPE
sheath)
exhibits
remarkable
improvement
abrasion
resistance,
cycle
count
increasing
from
35
3115.
C-PVDF
PVDF
significant
improvements
elongation,
42.8%
63.6%.
Furthermore,
incorporating
thermochromic-enhanced
polymers
enables
real-time
temperature
visualization,
offering
both
functional
versatility.
These
advancements
pave
way
high-performance,
multifunctional
textiles
tailored
wearable
electronic
Язык: Английский
Multifunctional Hydrogen-Bond-Cross-Linked PDMS/MXene/Fe3O4–NH2/Cotton Fabric for Male Reproductive Electromagnetic Protection
ACS Applied Electronic Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 19, 2025
Язык: Английский
Water‐ and oxidation‐resistant MXenes for advanced electromagnetic interference shielding applications
InfoMat,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 1, 2025
Abstract
Two‐dimensional
transition
metal
carbides
and
nitrides
(MXenes)
show
great
promise
for
electromagnetic
interference
(EMI)
shielding.
However,
their
susceptibility
to
oxidation,
particularly
in
humid
environments
or
water,
limits
industrial
applications.
This
study
introduces
a
straightforward
method
developing
functionalized
MXenes
(F‐MXenes)
with
significantly
enhanced
oxidation
resistance
environmental
stability,
which
are
critical
factors
scalability.
The
resulting
F‐MXenes
disperse
easily
non‐polar
solvents,
adhere
well
various
substrates,
remain
highly
stable
under
harsh
conditions
an
accelerated
test
at
100°C
80%
relative
humidity
49
days;
retained
93%
of
initial
electrical
resistance.
Additionally,
these
films
withstand
water
exposure,
maintain
superior
current
retention
seawater
corrosive
environments,
exhibit
high
flexibility
(10
000
bending
cycles)
tensile
strength
(35
MPa).
Notably,
the
EMI
shielding
effectiveness
hydrophobic
F‐MXene
films,
produced
using
scalable
techniques
such
as
spray
blade
coating,
far
exceeds
that
previously
reported
MXene
composites,
achieving
52–77
dB
thicknesses
5–40
μm.
highlights
potential
high‐performance,
EMI‐shielding
coatings,
water‐exposed
environments.
image
Язык: Английский