Abstract
Although
electrically
conductive
Ti₃C₂T
x
MXene
fibers
are
promising
for
wearable
electronics,
the
poor
inter‐sheet
interactions
and
random
stacking
structure
of
sheets
seriously
hinder
electron
transport
load
transfer
fibers.
Herein,
mechanically
strong
MXene@graphene
oxide
(GO)
core‐shell
fabricated
with
a
coaxial
wet‐spinning
methodology
electromagnetic
wave
regulation,
thermochromic
alerts,
visible
camouflage.
During
wet‐spinning,
trace‐carboxylated
GO
in
shell
align
readily
because
spatial
confinement
needle,
while
core
progressively
oriented
flattened
shell.
The
positively
charged
chitosan
coagulating
solution
enhances
interfacial
between
facilitates
sheet′s
orientation
inside
Consequently,
highly
aligned
exhibit
an
ultrahigh
tensile
strength
613.7
MPa
outstanding
conductivity
≈7766
S
cm
−1
.
Furthermore,
fiber‐woven
textiles
not
only
offer
excellent
interference
shielding
performance
but
also
achieve
quantitative
regulation
transmission
by
adjusting
angle
double‐layered
textiles.
can
combine
coatings
thermotherapy
visual
warnings,
Abstract
Multifunctional
wearable
heaters
have
attracted
much
attention
for
their
effective
applications
in
personal
thermal
management
and
medical
therapy.
Compared
to
passive
heating,
Joule
heating
offers
significant
advantages
terms
of
reusability,
reliable
temperature
control,
versatile
coupling.
Joule‐heated
fabrics
make
electronics
smarter.
This
review
critically
discusses
recent
advances
smart
fabrics,
focusing
on
various
fabrication
strategies
based
material‐structure
synergy.
Specifically,
applicable
conductive
materials
with
effect
are
first
summarized.
Subsequently,
different
preparation
methods
compared,
then
clothing,
healthcare,
visual
indication
discussed.
Finally,
the
challenges
faced
developing
these
possible
solutions
Abstract
Due
to
the
increased
integration
and
miniaturization
of
electronic
devices,
traditional
packaging
materials,
such
as
epoxy
resin
(EP),
cannot
solve
electromagnetic
interference
(EMI)
in
devices.
Thus,
development
multifunctional
materials
with
superior
wave
absorption
(EMA),
high
heat
dissipation,
flame
retardancy
is
critical
for
current
demand.
This
study
employs
an
in‐situ
growth
method
load
layered
double
hydroxides
(LDH)
onto
transition
metal
carbides
(MXene),
synthesizing
a
novel
composite
material
(MXene@LDH).
MXene@LDH
possesses
sandwich
structure
exhibits
excellent
EMA
performance,
thermal
conductivity,
retardancy.
By
adjusting
LDH,
under
synergistic
effect
multiple
factors,
dielectric
polarization
losses,
this
work
achieves
remarkable
minimum
reflection
loss
(RL)
−52.064
dB
maximum
effective
bandwidth
(EAB)
4.5
GHz.
Furthermore,
emerges
bridging
EP,
namely
MXene@LDH/EP,
leading
118.75%
increase
conductivity
compared
EP.
Simultaneously,
MXene@LDH/EP
contributes
enhanced
resulting
46.5%
reduction
total
release
(THR).
In
summary,
provides
promising
candidate
advanced
high‐power
density
packaging.
MXenes
with
their
wide
range
of
tunability
and
good
surface
chemistry
provide
unique
distinctive
characteristics
offering
potential
employment
in
various
aspects
energy
management
applications.
These
high-performance
materials
have
attracted
considerable
attention
recent
decades
due
to
outstanding
characteristics.
In
the
literature,
most
work
is
related
specific
methods
for
preparation
MXenes.
this
Review,
we
present
a
detailed
discussion
on
synthesis
through
different
etching
routes
involving
acids,
such
as
hydrochloric
acid,
hydrofluoric
lithium
fluoride,
non-acidic
alkaline
solution,
electrochemical,
molten
salt
methods.
Furthermore,
concise
overview
structural,
optical,
electronic,
magnetic
properties
provided
corresponding
role
supporting
high
thermal,
chemical,
mechanical,
environmental,
electrochemical
stability.
Additionally,
maintaining
thermal
performance
photovoltaic
systems
(PV/T),
wearable
light
heaters,
solar
water
desalination,
batteries,
supercapacitors
also
briefly
discussed.
A
techno-economic
life
cycle
analysis
analyze
sustainability,
scalability,
commercialization
facilitate
comprehensive
array
systems.
Lastly,
technology
readiness
level
defined,
future
recommendations
are
further
utilization
niche
The
strives
link
process
economics
ACS Applied Engineering Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 7, 2025
With
the
swift
advancement
of
electronic
information
technology,
there
is
a
growing
demand
for
enhanced
shielding
effectiveness
and
optical
transparency
in
electromagnetic
materials
across
various
fields,
such
as
wearable
electronics,
communication,
military
industry.
Consequently,
exploration
high-performance
possessing
both
flexibility
has
become
focal
point
research.
This
Review
overviews
recent
progress
facile
nonvacuum-based
approaches
crafting
polymer-
or
glass-based,
transparent
materials.
It
compares
summarizes
preparation
methods
deposition
techniques
composite
Furthermore,
article
explores
challenges
related
to
intricate
balance
transparency,
effectiveness,
different
offering
potential
solutions.
concludes
by
outlining
prospective
directions
future
development
nonvacuum
fabrication
glass
polymer-based
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(46)
Опубликована: Июль 11, 2024
Abstract
The
advent
of
flexible
electronics
has
prompted
the
development
functional
fibers
with
superior
mechanical
and
electrical
properties.
MXenes,
a
novel
family
2D
materials,
have
variety
potential
applications
in
electronics.
Herein,
wet‐spinning
is
employed
to
continuously
assemble
Ti
3
C
2
T
x
MXene
liquid
crystals
into
macroscopic
fibers.
Meanwhile,
Zn
2+
introduced
fiber
eliminate
electrostatic
repulsion
between
nanosheets
enhance
interlayer
interactions
sheet
alignment.
as‐obtained
strong
strength
(150.7
MPa),
high
conductivity
(3637.9
S
cm
−1
),
good
flexibility
that
facilitates
weaving
knotting,
making
them
suitable
for
fabric‐like
devices.
sound
pressure
sensors
are
woven
from
fibers,
which
feature
quick
response
time
(286
ms)
recovery
(642
ms),
ultra‐high
sensitivity
(280.2
kPa
low
detection
limit
(0.1
Pa).
Sound
recording
achieved
using
this
sensor.
as
wearable
thermal
management
devices
also
demonstrated,
exhibiting
fast
Joule
responses
cycling
stability.
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(9), С. 10205 - 10215
Опубликована: Апрель 20, 2024
As
electronic
devices
advance,
the
electromagnetic
(EM)
interference
generated
by
emission
of
EM
waves
persists
and
intensifies,
considerably
impacting
normal
operation
equipment
human
health.
To
address
this
issue,
microporous
composite
silver
nanowire
(AgNWs)/activated
nanofiber
(ANF)
aerogels,
endowed
with
EM-shielding
properties,
were
prepared
via
liquid
nitrogen
unidirectional
freezing
freeze-drying
techniques.
Hydrogen
bonds
between
carbonyl
groups
polyvinylpyrrolidone
covering
surfaces
AgNWs
amino
ANF
promoted
entanglement
ANF.
This
integration
not
only
improved
mechanical
properties
but
also
diminished
pore
dimensions
AgNWs/ANF
aerogels.
In
addition,
incorporation
50
wt
%
exceptionally
boosted
electrical
conductivity
composite,
measuring
at
845.5
S/cm,
while
maintaining
a
low
density
89.4
mg/cm3.
Simultaneously,
aerogel
exhibited
an
(EMI)
shielding
effect
31.4
dB,
adequately
meeting
requirements
various
commercial
applications
that
necessitate
EMI
shielding.
Overall,
lightweight
possesses
promising
potential
for
in
electronics
communication
field.
Applied Materials Today,
Год журнала:
2024,
Номер
39, С. 102271 - 102271
Опубликована: Июнь 5, 2024
With
the
proliferation
of
devices
for
5
G
communication
and
advent
future
mobility,
management
electromagnetic
interference
(EMI)
has
become
crucial.
While
traditional
metal-based
films
exhibit
high
EMI
shielding
effectiveness
(SE),
demand
lightweight
materials
structures
energy
efficiency
is
desired
in
applications.
This
study
presents
an
approach
fabricating
electrically
conductive
porous
MXene-reduced
graphene
oxide
(rGO)
hybrids
with
improved
performance
through
electrostatic
assembly
rapid
annealing
techniques.
Here,
GO
surface
was
converted
to
a
positive
charge
using
poly(diallyldimethylammonium
chloride)
(PDDA)
induce
negatively
charged
MXene
nanosheets.
To
extensive
simultaneously
reduce
provide
electrical
conductivity,
MXene-GO
hybrid
were
rapidly
annealed
at
600
°C.
The
resulting
exhibited
significantly
X-band
Ka-band,
SET
values
increasing
by
up
20
dB.
It
also
revealed
that
this
increment
dominantly
contributed
increase
SEA
rather
than
SER.
Furthermore,
demonstrated
enhanced
heat
dissipation
compared
pristine
films.
We
believe
our
work
proposes
facile
fabrication
method
developing
advanced
applications
systems.
