ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(43), С. 59188 - 59201
Опубликована: Окт. 16, 2024
Smart
shape-changing
structures
in
aerospace
applications
are
vulnerable
to
damage
harsh
environments.
Balancing
high
mechanical
performance
with
self-repair
capabilities
poses
a
challenge
due
inherent
trade-offs
between
strength
and
flexibility.
To
address
this
challenge,
an
asymmetric
bilayer-structured
actuator
was
fabricated
using
commercially
available
continuous
carbon
fiber
tows
(CFs)
as
the
passive
layer
dynamic
cross-linked
epoxy
vitrimer
active
layer.
The
construction
of
vitrimer-CF
involves
simple
scalable
hot-pressing
process,
resulting
tensile
234
MPa
interfacial
bonding
405
N·m–1.
This
exhibits
remarkable
deformation
capability
(210°/7
s)
efficient
ability
under
various
stimuli,
including
thermal
(60–160
°C),
light
(0.4–1.0
W·cm–2),
electric
(2–4
V),
solvent
(acetone).
By
adjustment
orientation
angle
CFs,
complex
left-handed
right-handed
curling
can
be
achieved.
Leveraging
insights
from
photothermal/electrothermal
actuation
mechanisms,
quadruped
crawling
robot
is
developed
capable
4
cm
single
illumination.
lift
objects
45
times
its
weight
when
subjected
stimuli.
Additionally,
flap
constructed
achieve
change
63°
within
10
s
stimulus,
enabling
remote
control
over
aircraft
flight
angle.
These
results
demonstrate
potential
for
advanced
intelligent
structures.
Nano Letters,
Год журнала:
2024,
Номер
24(25), С. 7809 - 7818
Опубликована: Июнь 14, 2024
Noncontact
sensing
technology
serves
as
a
pivotal
medium
for
seamless
data
acquisition
and
intelligent
perception
in
the
era
of
Internet
Things
(IoT),
bringing
innovative
interactive
experiences
to
wearable
human–machine
interaction
networks.
However,
pervasive
limitations
current
noncontact
devices
posed
by
harsh
environmental
conditions
hinder
precision
stability
signals.
In
this
study,
triboelectric
nanopaper
prepared
phase-directed
assembly
strategy
is
presented,
which
possesses
low
charge
transfer
mobility
(1618
cm2
V–1
s–1)
exceptional
high-temperature
stability.
Wearable
self-powered
sensors
constructed
from
operate
stably
under
high
temperatures
(200
°C).
Furthermore,
temperature
warning
system
workers
hazardous
environments
demonstrated,
capable
nonintrusively
identifying
harmful
thermal
stimuli
detecting
motion
status.
This
research
not
only
establishes
technological
foundation
accurate
stable
but
also
promotes
sustainable
development
IoT
extreme
environments.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 5, 2025
Textiles
have
played
a
pivotal
role
in
human
development,
evolving
from
basic
fibers
into
sophisticated,
multifunctional
materials.
Advances
material
science,
nanotechnology,
and
electronics
propelled
next-generation
textiles
beyond
traditional
functionalities,
unlocking
innovative
possibilities
for
diverse
applications.
Thermal
management
incorporate
ultralight,
ultrathin
insulating
layers
adaptive
cooling
technologies,
optimizing
temperature
regulation
dynamic
extreme
environments.
Moisture
utilize
advanced
structures
unidirectional
transport
breathable
membranes,
ensuring
exceptional
comfort
activewear
outdoor
gear.
Protective
exhibit
enhanced
features,
including
antimicrobial,
antiviral,
anti-toxic
gas,
heat-resistant,
radiation-shielding
capabilities,
providing
high-performance
solutions
healthcare,
defense,
hazardous
industries.
Interactive
integrate
sensors
monitoring
physical,
chemical,
electrophysiological
parameters,
enabling
real-time
data
collection
responses
to
various
environmental
user-generated
stimuli.
Energy
leverage
triboelectric,
piezoelectric,
hygroelectric
effects
improve
energy
harvesting
storage
wearable
devices.
Luminous
display
textiles,
electroluminescent
fiber
optic
systems,
enable
visual
applications
fashion
communication.
These
advancements
position
at
the
forefront
of
materials
significantly
expanding
their
potential
across
wide
range
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 3, 2024
Abstract
The
rapid
development
of
wearable
electronics,
personal
mobile
equipment,
and
Internet
Things
systems
demands
smart
textiles
that
integrate
multiple
functions
with
enhanced
durability.
Herein,
the
study
reports
robust
multifunctional
energy
harvesting,
electromagnetic
interference
(EMI)
shielding,
flame
resistance,
Joule
heating
capabilities,
fabricated
by
a
facile
yet
effective
integration
method
using
deposition
cross‐linked
MXene
(Ti
3
C
2
T
x
),
poly(vinyl
alcohol)
(PVA),
poly(acrylic
acid)
(PAA)
onto
traditional
Korean
paper,
Hanji
via
vacuum
filtration.
Comprehensive
analyses
confirm
cross‐linking,
structural
integrity,
interface
stability
in
MXene/PVA/PAA‐Hanji
(MPP‐H)
textiles,
which
synergistically
boost
their
performance.
MPP‐H
exhibit
remarkable
power
generation
lasting
over
60
min
density
102.2
µW
cm
−3
an
31.0
mWh
upon
application
20
µL
NaCl
solution.
EMI
shielding
effectiveness
(SE)
per
unit
thickness
X‐band
(8.2–12.4
GHz)
is
up
to
437.6
dB
mm
−1
,
ratio
absorption
reflection
reaching
4.5,
outperforming
existing
materials.
Superior
thermo‐chemo‐mechanical
properties
(flame
heating,
durability,
washability)
further
demonstrate
versatile
usability.
enables
diverse
functionalities
within
single,
textile
through
scalable
fabrication
method,
offering
transformative
potential
for
mobility
platforms.
